RockXP is a Freeware application that allows you to recover your Windows XP product key or activation code along with keys for other Microsoft products. This is very useful if you need to reinstall a microsoft product. Additionally, you can recover lost usernames and passwords, MSN logins, Internet connection parameters etc. It's a must have tool for your USB portable storage device. RockXP is under 770kb.
RockXP Product Key Recovery Screenshot
Authors Website: http://korben.info/rockxp
Download: RockXP can be downloaded HERE
Notes: Some Antivirus software may report problems with RockXP. Rest assured this application contains no viruses and the alert is a false positive. See the Authors Site for more details.