try this: $ dconf reset -f /org/compiz/ $ unity --replace
and let us know if that fixes the issue. ** Changed in: compiz (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1050416 Title: Alt+PrintScr does no longer work to produce a screen capture of the active window To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1050416/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs