I've had the same problem after using the "Repair broken package" option from the restore console. This command saved me and restored my Gnome environment like it should be :
$ sudo rm -rv ~/.gconf/ Then you'll need re-apply your Gnome theme and Compiz, if you made any modification to the default conf. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/668641 Title: GNOME does not load theme after innstalling NVIDIA non-free driver -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs