Could you see if your problem is related to those ones: bug 89741 bug 102368
-- x-button doesn't close windows any more https://bugs.launchpad.net/bugs/103795 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
