“EDUCAUSE has created a listserv for institutions to share experiences and advice about the impending Microsoft release of Service Pack 2 (SP2). Support and help desk staff, security officers, and others will be prime beneficiaries. You can subscribe to the listserv and access archives online.”
Pack 2 Resources for IT Professionals and Some programs seem to stop working after you install Windows XP Service Pack 2. See also What to Do When XP or 2000 Won’t Boot.