@Ach sorry, I pressed submit too early and then the forum fell over for a minute.
- Press
Ctrl + Alt + F2
to switch to a text mode login prompt - Type your username (
antey
, according to your log) and pressEnter
- If you have a password, type it and press
Enter
. (Nothing will appear on the screen as you type each character – this is normal.) - You should see a prompt:
antey@endless:~$
- Type the following command:
gsettings reset org.gnome.clocks world-clocks
and pressEnter
- You should see a prompt again:
antey@endless:~$
- Type
exit
and pressEnter
- Press
Ctrl-Alt-F1
to switch back to GUI mode, and try to log in again