As there has been no response in the last two months to the question from comment 18, I am closing this bug as Invalid. Feel free to reopen by setting the status to Confirmed if you still experience the behavior.
** Changed in: gnome-system-monitor (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/482680 Title: System Monitor won't close through normal methods, I have to kill the process. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-system-monitor/+bug/482680/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs