This could be related to an upstream issue [1], seemingly fixed in the 3.3.2 development release. [1] https://bugzilla.gnome.org/show_bug.cgi?id=655964
** Bug watch added: GNOME Bug Tracker #655964 https://bugzilla.gnome.org/show_bug.cgi?id=655964 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. 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 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs