I found this link on Dino Esposito‘s Weblog. Points to page that describes problems to expect when people install XP SP2. If you’re responsible for some web site or other, it’s a definite must read:
Waiting for the final release of Windows XP SP2, this is an excellent article to learn which sort of calls you can expect from clients if you don’t plan things accurately. Read before you move on… [Dino Esposito’s WebLog]