The default admin account name is 'Administrator'. Unless you changed it (and most people don't) then you now just need to remember your password.
Did you set a password hint? You can check that. (see attachment)
Other than that, there isn't much you can do. A password reset disk must be created from within the account it's meant to reset. The only other way to change passwords is to log on as an Admin and change them. Other than that, the only way to reformat and reinstall Windows, the final suggestion from Microsoft should the other suggestions not help.
That's about all we can do for you.
[file cleanup - saving space - attachment deleted by admin]