The app, Tangerine, consistently causes this and is listed as "unknown". Uninstalling it solves the problem, whether I've started firefox or not.
I see one of two bugs in this issue: 1. Tangerine not identifying itself 2. gnome-session not identifying it -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. https://bugs.launchpad.net/bugs/313228 Title: a program is still running but i want shut down anyway -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
