Created attachment 121179 [details] information for developers SUMMARY When running Muon, a window starts to be drawn but diapears and some time later an error window opens with message (translated from French): "sorry, the application kdeinit5 has suddenly stopped" Details: Exécutable : kdeinit5 PID : 1509 Signal : Aborted (6) Temps : 27/06/2019 09:27:16 I join the additional information for developers. I have got the same problem when running plasma-discover-updater instead of muon. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Ubuntu 16.04 (available in About System) KDE Plasma Version: 5.5.5 KDE Frameworks Version: 4.14.16 Qt Version: 5.5.1 ADDITIONAL INFORMATION
After this morning update of the system packages, the problem seems to be fixed.