No one else has reported a similar problem on this bug, and I haven't seen it in a long time, so I think it can be closed on the belief it was related to some software that was upgraded later on. However, I don't see any way for me to close it.
Wait, maybe I found it... -- Can't quit Firefox or shutdown computer https://bugs.launchpad.net/bugs/229425 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs