https://bugs.kde.org/show_bug.cgi?id=439319
--- Comment #2 from David Edmundson <k...@davidedmundson.co.uk> --- >Invalid MIT-MAGIC-COOKIE-1 keyInvalid MIT-MAGIC-COOKIE-1 key/usr/bin/kwin_x11: >FATAL ERROR while trying to open display :0 Edit, maybe it's not a proper crash if we're hitting this. Can you confirm you're using a login manager such as SDDM? -- You are receiving this mail because: You are watching all bug changes.