After using System-Administration-Login Screen Settings and choosing the Failsafe GNOME as default setting, it is not possible to change it back after a reboot and now a friend (don't ask why he played with this......) is stuck with his Ubuntu 10.10 Gnome session without any use of applications.
When he goes the the Login Screen Settings he can't press the Unlock button, thats is, nothing happens.....
Any idea how to solve this please?
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