boot into safemode, use the non password Admin account and then change the password for your account once you are in. To get into safe mode, press f8 repeatedly as the machine is booting. Needs to be done before you see the Windows splash screen though.
i formated my hard drive and reinstalled windows and i tried your safe mode suggestion and usually it does have and admin acount like you said but this time it didnt by reinstallin windows can i create a new account?
actually....on second thought.....
I don't really care if he/she is or isn't. I use this tool all the time and it comes in really handy. I just used it the other day at a Ben & Jerry's because they too forgot their Admin account password.