

(AMD), while others have also hit users with Intel-based PCs.Īlthough it's possible to get a feel for the theories by reading multiple support forum message threads, the best source of information has been a frequently updated blog post by Jesper Johansson, a former program manager for security policy at Microsoft and currently an MVP (Microsoft Most Valuable Professional). Some seem to affect only systems running processors made by Advanced Micro Devices Inc. Why are some PCs rebooting endlessly? Microsoft hasn't given any official explanation, but users on the support forum sharing accounts have identified several possible causes. Within a day, users were reporting problems in messages on Microsoft's XP SP3 support forum. The "endless reboot" cropped up immediately after Microsoft made XP SP3 available to the general Windows-using public by posting the service pack to Windows Update last week. What's happening? After some users update to Windows XP SP3, their PCs reboot - which is normal - but then fail to start up, and then reboot again and again, which is decidedly not normal.
