I am encountering a similar problem but I have resolved by reinstalling compiz.
This is probably the cause: $ compiz-decorator Couldn't find a perfect decorator match; trying all decorators Found no decorator to start -- No window title bars with compiz https://bugs.launchpad.net/bugs/213396 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
