It sounds like the XFCE window manager has crashed, but I'm not sure. It might be a good idea to follow these steps:
https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment ** Summary changed: - Problem with windows + No border around windows, no resizing buttons (max, min, close). Windows cannot be moved or resized. ** Package changed: xorg (Ubuntu) => xfce4 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1819909 Title: No border around windows, no resizing buttons (max, min, close). Windows cannot be moved or resized. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4/+bug/1819909/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
