I see this same issue on 12.04 with one of our computers that has been running 11.10 without issue. No window decorations, and strange behavior. I can logon using unity-2d, and it's fine.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993189 Title: Compiz crashes(Unity 3d) in Ubuntu 12.04 after installing proprietary Nvidia drivers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/993189/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs