gnome-shell is not in the Natty repository and not officially supported there. If you got it while upgrading from Maverick, you should either remove it or (if you're feeling particularly brave) find a working version in a PPA.
** Changed in: gnome-shell (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/662387 Title: Gnome-shell aborts, can't find schema 'org.gnome.shell" -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs