Ixiterra said:If there is a way (which I extremely, highly doubt), it would be under add/remove programs. Many hotfixes can be removed from there, but I doubt a service pack could. I don't have SP2 so I can't check. Some program may come about like the DirectX uninstaller to do it, but I don't know of any at the moment.
But you don't have to format; all you have to do is reinstall XP.
PlaZmaSnake said:BTW, SP2 does one good thing, it's a good fix for the JPEG virus problem. It also has a lot of updates too that keep you up to date. It may be annoying,but it doesn't take up any system resources you'd notice.