Well, since the first poster doesn't use compiz, it cannot be a compiz bug. The bug seems to be caused by a recent update of the nvidia proprietary driver in combination with compositing on X (not necessarily with compiz).
Googling "UseCompositeWrapper" results in a wide range of problems, of which most are but some aren't related to compiz. -- In Kubuntu Hardy, closed applications remain on the Taskbar https://bugs.launchpad.net/bugs/239645 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs