OK, compiz was not installed by default or was removed before by an update.
** Changed in: compiz (Ubuntu) Status: New => Invalid -- Compiz couldn't be started - Couldn't find a perfect decorator match; trying all decorators Found no decorator to start https://bugs.launchpad.net/bugs/559849 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