diff --git a/cps/translations/ar/LC_MESSAGES/messages.mo b/cps/translations/ar/LC_MESSAGES/messages.mo
index 6856b393..2b98fd94 100644
Binary files a/cps/translations/ar/LC_MESSAGES/messages.mo and b/cps/translations/ar/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/ar/LC_MESSAGES/messages.po b/cps/translations/ar/LC_MESSAGES/messages.po
index 120be81e..440324ee 100644
--- a/cps/translations/ar/LC_MESSAGES/messages.po
+++ b/cps/translations/ar/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2025-06-07 14:44+0300\n"
 "Last-Translator: UsamaFoad <usamafoad@gmail.com>\n"
 "Language: ar\n"
@@ -864,45 +864,45 @@ msgstr "محتوى ملف الغلاف غير صالح"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "ملفات jpg/jpeg فقط مدعومة كملفات غلاف"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "الغلاف"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "ملف UnRar الثنائي غير موجود"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "خطأ في تنفيذ UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "تعذر العثور على الدليل المحدد"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "الرجاء تحديد دليل، وليس ملف"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "ملفات Calibre الثنائية غير قابلة للاستخدام"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "ملفات Calibre الثنائية مفقودة: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "أذونات التنفيذ مفقودة: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "خطأ في تنفيذ Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "وضع جميع الكتب في قائمة الانتظار لنسخ البيانات الوصفية احتياطيًا"
 
diff --git a/cps/translations/cs/LC_MESSAGES/messages.mo b/cps/translations/cs/LC_MESSAGES/messages.mo
index 39cba279..c3f8d271 100644
Binary files a/cps/translations/cs/LC_MESSAGES/messages.mo and b/cps/translations/cs/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/cs/LC_MESSAGES/messages.po b/cps/translations/cs/LC_MESSAGES/messages.po
index 55effb6e..d97a0d26 100644
--- a/cps/translations/cs/LC_MESSAGES/messages.po
+++ b/cps/translations/cs/LC_MESSAGES/messages.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2020-06-09 21:11+0100\n"
 "Last-Translator: Lukas Heroudek <lukas.heroudek@gmail.com>\n"
 "Language: cs_CZ\n"
@@ -863,45 +863,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Pouze jpg/jpeg jsou podporované soubory pro obal"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "UnRar binární soubor nenalezen"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/de/LC_MESSAGES/messages.mo b/cps/translations/de/LC_MESSAGES/messages.mo
index 890e96b2..af366ea5 100644
Binary files a/cps/translations/de/LC_MESSAGES/messages.mo and b/cps/translations/de/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/de/LC_MESSAGES/messages.po b/cps/translations/de/LC_MESSAGES/messages.po
index d0284948..08f7950a 100644
--- a/cps/translations/de/LC_MESSAGES/messages.po
+++ b/cps/translations/de/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2025-10-22 19:56+0200\n"
 "Last-Translator: Sebastian Holzer\n"
 "Language: de\n"
@@ -864,45 +864,45 @@ msgstr "Ungültiger Coverdatei-Inhalt"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Es werden nur jpg/jpeg Dateien als Cover unterstützt"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Titelbild"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "UnRar Programm nicht gefunden"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Fehler beim Ausführen von UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Angegebener Ordner konnte nicht gefunden werden"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Bitte keine Datei sondern einen Ordner angeben"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Calibre Programm ist nicht nutzbar"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Fehlende Calibre Binärdateien: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Ausführberechtigung fehlt: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Fehler beim Ausführen von Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Alle Bücher für Metadaten Backup einreihen"
 
diff --git a/cps/translations/el/LC_MESSAGES/messages.mo b/cps/translations/el/LC_MESSAGES/messages.mo
index 5fda7237..85bdd3d0 100644
Binary files a/cps/translations/el/LC_MESSAGES/messages.mo and b/cps/translations/el/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/el/LC_MESSAGES/messages.po b/cps/translations/el/LC_MESSAGES/messages.po
index ee807e16..5e56e966 100644
--- a/cps/translations/el/LC_MESSAGES/messages.po
+++ b/cps/translations/el/LC_MESSAGES/messages.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Depountis Georgios\n"
 "Language: el\n"
@@ -863,45 +863,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Μόνο jpg/jpeg αρχεία υποστηρίζονται ως αρχεία φόντου"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Δεν βρέθηκε δυαδικό αρχείο UnRar"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/es/LC_MESSAGES/messages.mo b/cps/translations/es/LC_MESSAGES/messages.mo
index d2b013f3..dfa05dbe 100644
Binary files a/cps/translations/es/LC_MESSAGES/messages.mo and b/cps/translations/es/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/es/LC_MESSAGES/messages.po b/cps/translations/es/LC_MESSAGES/messages.po
index b56fb789..16673661 100644
--- a/cps/translations/es/LC_MESSAGES/messages.po
+++ b/cps/translations/es/LC_MESSAGES/messages.po
@@ -10,7 +10,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2024-10-29 15:26+0100\n"
 "Last-Translator: adruki <adruki@gmail.com>\n"
 "Language: es\n"
@@ -867,45 +867,45 @@ msgstr "Contenido del archivo de la portada no válido"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Sólo se admiten como portada los archivos jpg/jpeg"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Portada"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "No se encontró el archivo binario de UnRar."
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Error ejecutando UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "No se pudo encontrar el directorio especificado"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Por favor, especifica un directorio, no un archivo"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Los binarios de Calibre no son viables"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Faltan los binarios de Calibre: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Faltan permisos de ejecución: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Error ejecutando Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Poner en cola todos los libros para la copia de seguridad de metadatos"
 
diff --git a/cps/translations/fi/LC_MESSAGES/messages.mo b/cps/translations/fi/LC_MESSAGES/messages.mo
index 1a336e4a..adb7535d 100644
Binary files a/cps/translations/fi/LC_MESSAGES/messages.mo and b/cps/translations/fi/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/fi/LC_MESSAGES/messages.po b/cps/translations/fi/LC_MESSAGES/messages.po
index dc6d7f98..5e1fed23 100644
--- a/cps/translations/fi/LC_MESSAGES/messages.po
+++ b/cps/translations/fi/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2020-01-12 13:56+0100\n"
 "Last-Translator: Samuli Valavuo <svalavuo@gmail.com>\n"
 "Language: fi\n"
@@ -864,45 +864,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/fr/LC_MESSAGES/messages.mo b/cps/translations/fr/LC_MESSAGES/messages.mo
index 390900aa..35a73f15 100644
Binary files a/cps/translations/fr/LC_MESSAGES/messages.mo and b/cps/translations/fr/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/fr/LC_MESSAGES/messages.po b/cps/translations/fr/LC_MESSAGES/messages.po
index f56453de..e6be7c54 100644
--- a/cps/translations/fr/LC_MESSAGES/messages.po
+++ b/cps/translations/fr/LC_MESSAGES/messages.po
@@ -3,7 +3,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2026-01-15 11:30+0000\n"
 "Last-Translator: <thovi98@gmail.com>\n"
 "Language: fr\n"
@@ -860,45 +860,45 @@ msgstr "Contenu du fichier de couverture invalide"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Seuls les fichiers jpg/jpeg sont supportés comme fichier de couverture"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Couverture"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Fichier binaire UnRar non trouvé"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Erreur lors de l'exécution de UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Impossible de trouver le répertoire spécifié."
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Veuillez spécifier un répertoire, pas un fichier."
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Les binaires Calibre ne sont pas viables"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Binaires de calibre manquants : %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Autorisations d'exécution manquantes : %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Erreur lors de l'exécution de Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Mettre tous les livres en file d'attente pour la sauvegarde des métadonnées"
 
diff --git a/cps/translations/gl/LC_MESSAGES/messages.mo b/cps/translations/gl/LC_MESSAGES/messages.mo
index 0dc31ad2..ed258533 100644
Binary files a/cps/translations/gl/LC_MESSAGES/messages.mo and b/cps/translations/gl/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/gl/LC_MESSAGES/messages.po b/cps/translations/gl/LC_MESSAGES/messages.po
index 6020e3fe..64117bed 100644
--- a/cps/translations/gl/LC_MESSAGES/messages.po
+++ b/cps/translations/gl/LC_MESSAGES/messages.po
@@ -5,7 +5,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2024-12-08 13:50+0100\n"
 "Last-Translator: pollitor@gmx.com\n"
 "Language: gl\n"
@@ -862,45 +862,45 @@ msgstr "Contido do ficheiro de portada non válido"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Só se admiten ficheiros jpg/jpeg como ficheiro de portada"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Portada"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Non se atopou o ficheiro binario UnRar"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Erro ao executar UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Non se puido atopar o directorio especificado"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Especifique un directorio, non un ficheiro"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Os binarios de calibre non son viables"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Faltan binarios de calibre: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Faltan permisos executables: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Erro ao executar Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Pon todos os libros en cola para a copia de seguridade dos metadatos"
 
diff --git a/cps/translations/hu/LC_MESSAGES/messages.mo b/cps/translations/hu/LC_MESSAGES/messages.mo
index dc466d00..4edd3ff6 100644
Binary files a/cps/translations/hu/LC_MESSAGES/messages.mo and b/cps/translations/hu/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/hu/LC_MESSAGES/messages.po b/cps/translations/hu/LC_MESSAGES/messages.po
index 6dc5961f..6e945d1c 100644
--- a/cps/translations/hu/LC_MESSAGES/messages.po
+++ b/cps/translations/hu/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2019-04-06 23:36+0200\n"
 "Last-Translator: \n"
 "Language: hu\n"
@@ -864,45 +864,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/id/LC_MESSAGES/messages.mo b/cps/translations/id/LC_MESSAGES/messages.mo
index eefaf31d..9ab128a8 100644
Binary files a/cps/translations/id/LC_MESSAGES/messages.mo and b/cps/translations/id/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/id/LC_MESSAGES/messages.po b/cps/translations/id/LC_MESSAGES/messages.po
index 3ea7395b..00bb8da4 100644
--- a/cps/translations/id/LC_MESSAGES/messages.po
+++ b/cps/translations/id/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2023-01-21 10:00+0700\n"
 "Last-Translator: Arief Hidayat<arihid95@gmail.com>\n"
 "Language: id\n"
@@ -864,45 +864,45 @@ msgstr "Konten berkas sampul tidak valid"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Hanya berkas jpg/jpeg yang didukung sebagai berkas sampul"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Berkas biner unrar tidak ditemukan"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Antrian semua buku untuk cadangan metadata"
 
diff --git a/cps/translations/it/LC_MESSAGES/messages.mo b/cps/translations/it/LC_MESSAGES/messages.mo
index 14c48f39..c9248193 100644
Binary files a/cps/translations/it/LC_MESSAGES/messages.mo and b/cps/translations/it/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/it/LC_MESSAGES/messages.po b/cps/translations/it/LC_MESSAGES/messages.po
index 643bac70..375fa6c0 100644
--- a/cps/translations/it/LC_MESSAGES/messages.po
+++ b/cps/translations/it/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2026-03-05 06:42+0100\n"
 "Last-Translator: Massimo Pissarello <mapi68@gmail.com>\n"
 "Language: it\n"
@@ -864,45 +864,45 @@ msgstr "Contenuto del file di copertina non valido"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Solo i file jpg/jpeg sono supportati come file di copertina"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Copertina"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "File binario UnRar non trovato"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Errore nell'eseguire UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Impossibile trovare la cartella specificata"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Specifica una cartella, non un file"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Eseguibili di Calibre non validi"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "File eseguibili di Calibre mancanti: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Permessi di esecuzione mancanti: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Errore durante l'esecuzione di Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Metti in coda tutti i libri per il backup dei metadati"
 
diff --git a/cps/translations/ja/LC_MESSAGES/messages.mo b/cps/translations/ja/LC_MESSAGES/messages.mo
index 63532bef..800b8709 100644
Binary files a/cps/translations/ja/LC_MESSAGES/messages.mo and b/cps/translations/ja/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/ja/LC_MESSAGES/messages.po b/cps/translations/ja/LC_MESSAGES/messages.po
index 091269e7..b2ae19a2 100644
--- a/cps/translations/ja/LC_MESSAGES/messages.po
+++ b/cps/translations/ja/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2018-02-07 02:20-0500\n"
 "Last-Translator: subdiox <subdiox@gmail.com>\n"
 "Language: ja\n"
@@ -864,45 +864,45 @@ msgstr "表紙ファイルの内容が無効です"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "表紙ファイルは jpg/jpeg のみ対応しています"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "UnRarのバイナリファイルが見つかりません"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/km/LC_MESSAGES/messages.mo b/cps/translations/km/LC_MESSAGES/messages.mo
index 99cb2171..a8e88f8a 100644
Binary files a/cps/translations/km/LC_MESSAGES/messages.mo and b/cps/translations/km/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/km/LC_MESSAGES/messages.po b/cps/translations/km/LC_MESSAGES/messages.po
index ae2ae7f6..b5d8bca4 100644
--- a/cps/translations/km/LC_MESSAGES/messages.po
+++ b/cps/translations/km/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2018-08-27 17:06+0700\n"
 "Last-Translator: \n"
 "Language: km_KH\n"
@@ -865,45 +865,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/ko/LC_MESSAGES/messages.mo b/cps/translations/ko/LC_MESSAGES/messages.mo
index b07a65d0..a3a9abd8 100644
Binary files a/cps/translations/ko/LC_MESSAGES/messages.mo and b/cps/translations/ko/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/ko/LC_MESSAGES/messages.po b/cps/translations/ko/LC_MESSAGES/messages.po
index d742cc38..0cee6422 100644
--- a/cps/translations/ko/LC_MESSAGES/messages.po
+++ b/cps/translations/ko/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/calibre-web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2024-11-01 17:50+0900\n"
 "Last-Translator: limeade23 <admin@limeade.me>\n"
 "Language: ko\n"
@@ -864,45 +864,45 @@ msgstr "올바르지 않은 표지 파일입니다."
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "표지 파일은 jpg/jpeg 형식만 지원합니다."
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "표지"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "UnRar 바이너리 파일을 찾을 수 없습니다."
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "UnRar 실행 중 오류가 발생했습니다."
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "지정된 디렉토리를 찾을 수 없습니다."
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "파일이 아닌 폴더를 지정하세요."
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Calibre 바이너리 파일을 사용할 수 없습니다."
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Calibre 바이너리 파일이 누락되었습니다: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "실행 권한이 없습니다: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Calibre 실행 오류"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "메타데이터 백업이 작업에 추가되었습니다."
 
diff --git a/cps/translations/nl/LC_MESSAGES/messages.mo b/cps/translations/nl/LC_MESSAGES/messages.mo
index a3d31339..7f6f2c97 100644
Binary files a/cps/translations/nl/LC_MESSAGES/messages.mo and b/cps/translations/nl/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/nl/LC_MESSAGES/messages.po b/cps/translations/nl/LC_MESSAGES/messages.po
index 74daef1d..1edf4bd8 100644
--- a/cps/translations/nl/LC_MESSAGES/messages.po
+++ b/cps/translations/nl/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Calibre-Web (GPLV3)\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2023-12-20 22:00+0100\n"
 "Last-Translator: Michiel Cornelissen <michiel.cornelissen+gitbhun at proton.me>\n"
 "Language: nl\n"
@@ -865,45 +865,45 @@ msgstr "Ongeldig omslagbestand"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Alleen jpg/jpeg bestanden zijn toegestaan als omslag"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "UnRar executable niet gevonden"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Opgegeven map kon niet worden gevonden"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Geef een map op, geen bestand"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Ontbrekende calibre-programmabestanden: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Voeg alle boeken toe aan de wachtrij voor het maken van een metagegevens backup"
 
diff --git a/cps/translations/no/LC_MESSAGES/messages.mo b/cps/translations/no/LC_MESSAGES/messages.mo
index 25761cf7..7d6962cb 100644
Binary files a/cps/translations/no/LC_MESSAGES/messages.mo and b/cps/translations/no/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/no/LC_MESSAGES/messages.po b/cps/translations/no/LC_MESSAGES/messages.po
index 84895a12..e889dcc8 100644
--- a/cps/translations/no/LC_MESSAGES/messages.po
+++ b/cps/translations/no/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2023-01-06 11:00+0000\n"
 "Last-Translator: Vegard Fladby <vegard.fladby@gmail.com>\n"
 "Language: no\n"
@@ -864,45 +864,45 @@ msgstr "Ugyldig omslagsfilinnhold"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Bare jpg/jpeg-filer støttes som coverfile"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Dekke"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "UnRar binær fil ikke funnet"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Feil ved kjøring av UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Sett alle bøker i kø for sikkerhetskopiering av metadata"
 
diff --git a/cps/translations/pl/LC_MESSAGES/messages.mo b/cps/translations/pl/LC_MESSAGES/messages.mo
index ef197222..e925b61f 100644
Binary files a/cps/translations/pl/LC_MESSAGES/messages.mo and b/cps/translations/pl/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/pl/LC_MESSAGES/messages.po b/cps/translations/pl/LC_MESSAGES/messages.po
index f57379d9..2b4b55d3 100644
--- a/cps/translations/pl/LC_MESSAGES/messages.po
+++ b/cps/translations/pl/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Calibre Web - polski (POT: 2021-06-12 08:52)\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2025-12-08 12:51+0100\n"
 "Last-Translator: Daniel Szepietowski <daniel@szepi.dev>\n"
 "Language: pl\n"
@@ -871,45 +871,45 @@ msgstr "Nieprawidłowa zawartość pliku z okładką"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Jako plik okładki dopuszczalne są jedynie pliki jpg/jpeg"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Okładka"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Plik wykonywalny programu unrar nie znaleziony"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Błąd podczas uruchamiania UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Nie udało się nie udało się znaleźć wskazanego folderu"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Proszę wskaż folder a nie plik."
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Pliki binarne Calibre są nieprawidłowe"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Brakuje plików binarnych calibre: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Brakuje uprawnień do wykonywania: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Błąd podczas uruchamiania Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Zaplanuj backup metadanych dla wszystkich książek"
 
diff --git a/cps/translations/pt/LC_MESSAGES/messages.mo b/cps/translations/pt/LC_MESSAGES/messages.mo
index 1c44175c..79e768b4 100644
Binary files a/cps/translations/pt/LC_MESSAGES/messages.mo and b/cps/translations/pt/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/pt/LC_MESSAGES/messages.po b/cps/translations/pt/LC_MESSAGES/messages.po
index 17c26872..db02c69d 100644
--- a/cps/translations/pt/LC_MESSAGES/messages.po
+++ b/cps/translations/pt/LC_MESSAGES/messages.po
@@ -4,7 +4,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2023-07-25 11:30+0100\n"
 "Last-Translator: horus68 <https://github.com/horus68>\n"
 "Language: pt\n"
@@ -861,45 +861,45 @@ msgstr "Conteúdo do ficheiro de capa inválido"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Apenas ficheiros jpg/jpeg são suportados como ficheiros de capa"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Binário UnRar não encontrado"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Enviar todos os livros para lista de espera para cópia de segurança de metadados"
 
diff --git a/cps/translations/pt_BR/LC_MESSAGES/messages.mo b/cps/translations/pt_BR/LC_MESSAGES/messages.mo
index 50b81f22..2f5738b6 100644
Binary files a/cps/translations/pt_BR/LC_MESSAGES/messages.mo and b/cps/translations/pt_BR/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/pt_BR/LC_MESSAGES/messages.po b/cps/translations/pt_BR/LC_MESSAGES/messages.po
index 425f1709..82593db1 100644
--- a/cps/translations/pt_BR/LC_MESSAGES/messages.po
+++ b/cps/translations/pt_BR/LC_MESSAGES/messages.po
@@ -4,7 +4,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: br\n"
@@ -861,45 +861,45 @@ msgstr "Conteúdo do arquivo de capa inválido"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Apenas arquivos jpg/jpeg são suportados como arquivos de capa"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Capa"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Binário UnRar não encontrado"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Erro ao executar UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Não foi possível encontrar o diretório especificado"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Por favor, especifique um diretório, não um arquivo"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Binários do Calibre não são utilizáveis"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Binários do Calibre ausentes: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Permissões de execução ausentes: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Erro ao executar Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Enfileirar todos os livros para backup de Metadados"
 
diff --git a/cps/translations/ru/LC_MESSAGES/messages.mo b/cps/translations/ru/LC_MESSAGES/messages.mo
index 057733b2..d333f0a0 100644
Binary files a/cps/translations/ru/LC_MESSAGES/messages.mo and b/cps/translations/ru/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/ru/LC_MESSAGES/messages.po b/cps/translations/ru/LC_MESSAGES/messages.po
index 257398b1..5563f730 100644
--- a/cps/translations/ru/LC_MESSAGES/messages.po
+++ b/cps/translations/ru/LC_MESSAGES/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2020-04-29 01:20+0400\n"
 "Last-Translator: ZIZA\n"
 "Language: ru\n"
@@ -865,45 +865,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Только файлы в формате jpg / jpeg поддерживаются как файл обложки"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/sk/LC_MESSAGES/messages.mo b/cps/translations/sk/LC_MESSAGES/messages.mo
index 0174441b..faff8474 100644
Binary files a/cps/translations/sk/LC_MESSAGES/messages.mo and b/cps/translations/sk/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/sk/LC_MESSAGES/messages.po b/cps/translations/sk/LC_MESSAGES/messages.po
index e1d32992..ffc1789e 100644
--- a/cps/translations/sk/LC_MESSAGES/messages.po
+++ b/cps/translations/sk/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2023-11-01 06:12+0100\n"
 "Last-Translator: Branislav Hanáček <brango@brango.sk>\n"
 "Language: sk_SK\n"
@@ -864,45 +864,45 @@ msgstr "Neplatný obsah súboru obalky knihy"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Ako súbor obálky knihy sú podporované iba súbory jpg/jpeg"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Obálka knihy"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Binárny súbor pre UnRar sa nenašiel"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Chyba pri spustení UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Zaradiť všetky knihy na zálohovanie metadát"
 
diff --git a/cps/translations/sl/LC_MESSAGES/messages.mo b/cps/translations/sl/LC_MESSAGES/messages.mo
index 900dea7b..9f2b76ab 100644
Binary files a/cps/translations/sl/LC_MESSAGES/messages.mo and b/cps/translations/sl/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/sl/LC_MESSAGES/messages.po b/cps/translations/sl/LC_MESSAGES/messages.po
index 1f0c828f..1cd5d8c5 100644
--- a/cps/translations/sl/LC_MESSAGES/messages.po
+++ b/cps/translations/sl/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2024-09-18 19:45+0200\n"
 "Last-Translator: Andrej Kralj\n"
 "Language: sl\n"
@@ -864,45 +864,45 @@ msgstr "Nepravilna vsebina datoteke z naslovnico"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Samo datoteke jpg/jpeg so podprte kot datoteke naslovnic"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "Naslovnica"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "Binarna datoteka UnRar ni bila najdena"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "Napaka pri izvajanju UnRar"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "Ni bilo mogoče najti določenega imenika"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "Navedite imenik in ne datoteke"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Binarne datoteke Calibre niso izvedljive"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "Manjkajoče binarne datoteke Calibre: %(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "Manjkajoča dovoljenja za izvršilni program: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "Napaka pri izvajanju programa Calibre"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "Vse knjige v vrsti za varnostno kopiranje metapodatkov"
 
diff --git a/cps/translations/sv/LC_MESSAGES/messages.mo b/cps/translations/sv/LC_MESSAGES/messages.mo
index 8c340ec7..ea5c9a4d 100644
Binary files a/cps/translations/sv/LC_MESSAGES/messages.mo and b/cps/translations/sv/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/sv/LC_MESSAGES/messages.po b/cps/translations/sv/LC_MESSAGES/messages.po
index d698876f..08bad5ce 100644
--- a/cps/translations/sv/LC_MESSAGES/messages.po
+++ b/cps/translations/sv/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/Calibre-Web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2021-05-13 11:00+0000\n"
 "Last-Translator: Jonatan Nyberg <jonatan.nyberg.karl@gmail.com>\n"
 "Language: sv\n"
@@ -864,45 +864,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "Endast jpg/jpeg-filer stöds som omslagsfil"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "UnRar binär fil hittades inte"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/tr/LC_MESSAGES/messages.mo b/cps/translations/tr/LC_MESSAGES/messages.mo
index 88a44b08..1bd25449 100644
Binary files a/cps/translations/tr/LC_MESSAGES/messages.mo and b/cps/translations/tr/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/tr/LC_MESSAGES/messages.po b/cps/translations/tr/LC_MESSAGES/messages.po
index 81a1eee8..9582efbe 100644
--- a/cps/translations/tr/LC_MESSAGES/messages.po
+++ b/cps/translations/tr/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2020-04-23 22:47+0300\n"
 "Last-Translator: iz <iz7iz7iz@protonmail.ch>\n"
 "Language: tr\n"
@@ -864,45 +864,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/uk/LC_MESSAGES/messages.mo b/cps/translations/uk/LC_MESSAGES/messages.mo
index 34e92d94..f884deba 100644
Binary files a/cps/translations/uk/LC_MESSAGES/messages.mo and b/cps/translations/uk/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/uk/LC_MESSAGES/messages.po b/cps/translations/uk/LC_MESSAGES/messages.po
index f082328a..ec9f4163 100644
--- a/cps/translations/uk/LC_MESSAGES/messages.po
+++ b/cps/translations/uk/LC_MESSAGES/messages.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/calibre-web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2017-04-30 00:47+0300\n"
 "Last-Translator: ABIS Team <biblio.if.abis@gmail.com>\n"
 "Language: uk\n"
@@ -877,46 +877,46 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 #, fuzzy
 msgid "Cover"
 msgstr "Огляд"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/vi/LC_MESSAGES/messages.mo b/cps/translations/vi/LC_MESSAGES/messages.mo
index 797b1c9c..528ae744 100644
Binary files a/cps/translations/vi/LC_MESSAGES/messages.mo and b/cps/translations/vi/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/vi/LC_MESSAGES/messages.po b/cps/translations/vi/LC_MESSAGES/messages.po
index 62a2275e..05fa644c 100644
--- a/cps/translations/vi/LC_MESSAGES/messages.po
+++ b/cps/translations/vi/LC_MESSAGES/messages.po
@@ -4,7 +4,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-web\n"
 "Report-Msgid-Bugs-To: https://github.com/janeczku/calibre-web\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2022-09-20 21:36+0700\n"
 "Last-Translator: Ha Link <halink0803@gmail.com>\n"
 "Language: vi\n"
@@ -861,45 +861,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""
 
diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo
index b92cab7e..2820a0ad 100644
Binary files a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo and b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
index 830816f8..7b07e712 100644
--- a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
+++ b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2025-12-06 13:53+0800\n"
 "Last-Translator: qx100\n"
 "Language: zh_CN\n"
@@ -864,45 +864,45 @@ msgstr "封面文件内容无效"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "仅将 jpg、jpeg 文件作为封面文件"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr "封面"
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "找不到 UnRar 执行文件"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr "执行 UnRar 时出错"
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "无法找到指定目录"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "请指定目录，而不是文件"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr "Calibre 程序无法运行"
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "缺失的 calibre 程序：%(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr "缺少执行权限: %(missing)s"
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr "执行 Calibre 时出错"
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "将所有书籍加入元数据备份队列"
 
diff --git a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo
index 880f5a2e..ade86697 100644
Binary files a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo and b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po
index 141a45b3..49ef291a 100644
--- a/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po
+++ b/cps/translations/zh_Hant_TW/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: 2025-09-10 03:46+0000\n"
 "Last-Translator: finrodchen <me@finrod.xyz>\n"
 "Language: zh_TW\n"
@@ -864,45 +864,45 @@ msgstr "無效的封面檔案"
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "僅將jpg、jpeg文件作為封面文件"
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr "找不到UnRar執行文件"
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr "找不到指定的目錄"
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr "請指定資料夾目錄，而非檔案"
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr "缺少 Calibre 執行檔：%(missing)s"
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr "將所有書籍排入元數據備份佇列"
 
diff --git a/messages.pot b/messages.pot
index eb58acb9..46e9cb4f 100644
--- a/messages.pot
+++ b/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-04-25 13:09+0200\n"
+"POT-Creation-Date: 2026-04-25 13:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -863,45 +863,45 @@ msgstr ""
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:975 cps/helper.py:1138
+#: cps/helper.py:986 cps/helper.py:1149
 msgid "Cover"
 msgstr ""
 
-#: cps/helper.py:992
+#: cps/helper.py:1003
 msgid "UnRar binary file not found"
 msgstr ""
 
-#: cps/helper.py:1003
+#: cps/helper.py:1014
 msgid "Error executing UnRar"
 msgstr ""
 
-#: cps/helper.py:1011
+#: cps/helper.py:1022
 msgid "Could not find the specified directory"
 msgstr ""
 
-#: cps/helper.py:1014
+#: cps/helper.py:1025
 msgid "Please specify a directory, not a file"
 msgstr ""
 
-#: cps/helper.py:1028
+#: cps/helper.py:1039
 msgid "Calibre binaries not viable"
 msgstr ""
 
-#: cps/helper.py:1037
+#: cps/helper.py:1048
 #, python-format
 msgid "Missing calibre binaries: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1039
+#: cps/helper.py:1050
 #, python-format
 msgid "Missing executable permissions: %(missing)s"
 msgstr ""
 
-#: cps/helper.py:1044
+#: cps/helper.py:1055
 msgid "Error executing Calibre"
 msgstr ""
 
-#: cps/helper.py:1140 cps/templates/admin.html:216
+#: cps/helper.py:1151 cps/templates/admin.html:216
 msgid "Queue all books for metadata backup"
 msgstr ""