If you upgraded using the dist-upgrader mechanism, could you please attach the files from /var/log/dist-upgrade/* to this bugreport?
I agree with seb that it is most likely a theme issue, try setting System/Preferences/Theme to e.g. "Human".
If you upgraded using the dist-upgrader mechanism, could you please attach the files from /var/log/ dist-upgrade/ * to this bugreport?
I agree with seb that it is most likely a theme issue, try setting System/ Preferences/ Theme to e.g. "Human".