(In reply to Wolfgang Bauer from comment #2) > Btw, it should also work to use /etc/xdg/system.kdeglobals > or /etc/kde5rc instead AFAIK. > > See https://mail.kde.org/pipermail/enterprise/2016-May/000010.html I can confirm that they work. It's unfortunate those are not mentioned in the documentation here: https://userbase.kde.org/KDE_System_Administration/Kiosk/Introduction Thanks for the hint. For me this would solve this bug.