Confirmed on 12.04. Switching users is not necessary to replicate.
It seems to happen if the Update Manager starts when the screen is locked. I filed Bug 1092597 which is a duplicate of this one and was marked as such. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/989588 Title: update-manager popup is shown on launcher and alt-tab list but window doesn't show up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/989588/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
