Forgot Vista admin & user password? URGENT

My cousin forgot the admin & user password on Vista. How to boot the system now?
Plzz need help.

Thanx
Naren

12 ways how to reset the Windows administrator password – Windows 7, Vista, Windows XP [4sysops.com]

I am reading that currently. Can you tell me which will be the easy one with less damage?

Thanx
Naren

No, but doesn’t the article itself do that?

Actually my cousin is a novice & I have to troubleshoot this prob on phone thats the prob. He may not be able to perform the steps correctly. Well lets see how it goes.

Thanx
Naren

I asked him if he has anything important he needs. He said nothing much important. I asked him to reinstall then & he is doing it.

Thanx
Naren

Yes, that would be my standard phone response, he shouldn’t loose any personal stuff anyway.