If you get yourself in the unfortunate position of having changed the privileges of Administrator such that you can no longer log in as Administrator either locally or as a service... check this out!
There is a way around, given that you've got another Windows machine you can put the hard drive into. Warning: this procedure is not supported by Microsoft, so I can't promise it won't damage the system. However, if you're about to format the disk anyway ...
Get the broken drive out of the m...
