Do a search on google
http://www.google.com/search?hl=en&lr=& ... tnG=Search
Article about it
http://en.wikipedia.org/wiki/Windows_Genuine_Advantage
I turned my updates off for XP so it's not installed. I just bought this puter a month ago from best buy and don't like the concept of it or the research I have done about it.
I read somewhere that IE 7 won't be available for update unless you have WGA installed. I don't like the ideal of installing stuff that there isn't an un-install option or that is basically spyware sending data back that it never ask for in the first place.
Thinking about switching over to Linux!