Have a Dell Dimension 1100 - when you run control userpasswords2  you see a "administrator --- account -- group administrators", along with  guest, another tied to Quickbooks, another with my name on it -- group administrators, but when I go to control panel, user accounts, the "administrator" account does not show up. I'd like to delete the one w/my name on it, so the "administrator" user account works automatically, but can't find it to delete. Any ideas?  Thanks  L W