hit Ctrl-Shift-Esc then make sure your in Processes, find the Folding home thing, and End the task, then try Deleting it

are you on vista, cuz you may not be the SUPERADMING!!! dudu du du da!
to do that go to Computer Management (right click Computer>Manage)>Local Users and Groups>Users and then in the right hand pane, double click Administrator and uncheck "Account is disabled".