--- /usr/lib/python3/dist-packages/univention/management/console/modules/appcenter/__init__.py  2025-02-25 12:28:05.530987000 +0100
+++ /usr/lib/python3/dist-packages/univention/management/console/modules/appcenter/__init__.py  2025-02-25 12:27:46.374987000 +0100
@@ -324,6 +324,9 @@
         return ret

     def _run_local(self, app, action, settings, auto_installed, progress):
+        for setting in app.get_settings():
+            if isinstance(setting, FileSetting) and not isinstance(setting, PasswordFileSetting) and settings.get(app.id, {}).get(setting.name):
+                settings[app.id][setting.name] = b64decode(settings[app.id][setting.name]).decode('utf-8')
         kwargs = {
             'noninteractive': True,
             'auto_installed': auto_installed,