It appears that HP and XP SP3 are not getting along…Locked
There are issues involving an endless reboot cycle that starts after some HP systems are updated to Service Pack 3.
Evidently, it has something to do with the OEM XP image HP put on some AMD-based desktops:
I’ll bet that over at HP Tech Support right now, you can hear the name Microsoft and the ‘F’ word used together quite frequently. 😉