I used the Update Manager to update to 9.10 and the problem appears to have been solved.
-- window focus lost for unknown reason https://bugs.launchpad.net/bugs/293884 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