Thanks for your bugreport. This was fixed in edgy. It won't remember the last action by default. Powerusers can still set the default action via gconf.
** Changed in: update-notifier (Ubuntu) Status: Confirmed => Fix Released -- Update manager doesn't appear when I click on notification icon; instead, it shows "package information" dialog, and then exits https://launchpad.net/bugs/45844 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs