It "freezes" the configuration on a Windows XP or Vista computer so if there is a change made to it a reboot will restore the computer back to the standard "frozen" state. If you have kids who use your computer and you don't want to mess with things like admin accounts and family configuration control boards, this tool is for you. It is free for valid (genuine) windows installations.
In the nostalgia column, did you know AngelFire was still up and running? The good old days of free web hosts with banner ads are still here. Who knew? But I would not recommend going there ( http://google.com/safebrowsing/diagnostic?site=angelfire.com ) it is still a den of viruses and malware.. but it is nice to know that some things don't change.