And here is the fix good thing to I had this problem
Fixes
Prevents a condition from occurring that causes continuous system restarts or "Stop: 0x0000007E" errors after upgrading to Microsoft Windows XP Service Pack 3 on systems with an AMD processor.
Example:"A problem has been detected and Windows has been shut down to prevent damage to your computer...
System Requirements
# You must be logged on as an administrator to install this update.
# You must own an HP Pavilion, Presario or Media Center with Windows XP and an AMD processor.
# You must install this update prior to applying Windows XP SP3 update.
Release Date: 2008-05-14 Version: 1.0
Description
Microsoft Windows XP SP3 Upgrade Utility prevents continuous system restarts or "Stop: 0x0000007E" errors after upgrading to Windows XP SP3 on systems with AMD processors.
Fixes
Prevents a condition from occurring that causes continuous system restarts or "Stop: 0x0000007E" errors after upgrading to Microsoft Windows XP Service Pack 3 on systems with an AMD processor.
Example:"A problem has been detected and Windows has been shut down to prevent damage to your computer...
Installation Instructions
1. Click the Download Only button.
2. At the File Download screen, click the Save button.
3. At the Save As screen, save the file to your Desktop.
4. If a message appears stating that the file already exists, click YES to overwrite file.
5. Double-click the icon for the update downloaded to your desktop, and then click NEXT.
6. Follow on-screen instructions.
7. If prompted to restart the system upon completion of the update, click YES and allow system to restart.
http://h10025.www1.hp.com/ewfrf/wc/...softwareitem=pv-60484-1&jumpid=reg_R1002_USEN