Yes it is possible to change Adminstrator password both in Win XP and Vista without knowing it. If you somehow manage to login as an Administrator then you can change the password without knowing it.
 
 
Here’s …

Phishing is an attempt to criminally and fraudulently acquire sensitive information, such as usernames, passwords and credit card details, by appearing as a trustworthy entity in an electronic communication. eBay, PayPal and other online banks …

Wondering to know how to hack an email account? Well, before you can do that, you need to understand the real ways of hacking that actually work and also that are simply scam and do not work.
So, here …

How To Hack Orkut?
 
Ever wondered how to hack Orkut account? Well, here are some of the ways through which you can gain access to Orkut account.
Google uses a 4 Level Orkut login feature which makes …