It might be this upstream issue. In my case, I didn't have multiple activities, but I already had the program open and hiding behind other windows.
https://bugs.kde.org/show_bug.cgi?id=503345 ** Bug watch added: KDE Bug Tracking System #503345 https://bugs.kde.org/show_bug.cgi?id=503345 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2131627 Title: KDE systemsettings quietly fails to start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemsettings/+bug/2131627/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
