For the heck of it, I increased the number of workspaces to 3x3, in a session where this bug had occured, and Unity believed update-manager was open, but not assigned to any of the workspaces. It was not hiding on any of the extra workspaces.
-- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in 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 _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp