This is fixed in edgy. If a update-manager is already runing it will send a dbus signal
** Changed in: update-notifier (Ubuntu) Status: Confirmed => Fix Released -- upgrade-notifier: update manager able to start twice https://launchpad.net/bugs/11237 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs