Seems to be a related bug, when trying to start it will ask for a password display "starting administrative application" in the window list and then it disappears and nothing happens this is in Feisty Herd2 all current updates installed (1/18/2007).
-- When starting gdmsetup (Administration -> Login Window), "Starting Login Window" taskbar entry remains https://launchpad.net/bugs/40974 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
