You find the Wiki here
http://www.communitymanuals.com/shii...itle=Main_Page
The restore CD will most probably revert your machine to the state it was in on delivery. Use only in real emergency. Did you get an original Windows XP CD from the manufacturer? If so you have the option to reinstall Windows on top of your existing install, replacing corrupt or missing files without loosing your settings or your games. You would still have to run Windows update after that.