System Continuously Rebooting after XP SP3 is installed

Follow these steps to resolve this issue with the computer not booting correctly after SP3 is installed.

1) Start your computer in Safe Mode.

2) Click on Start, Run, and type REGEDIT and press Enter. This will open the Registry Editor.

3) Click the pluses(+) next to the following registry keys to navigate to the correct spot.

•     HKEY_LOCAL_MACHINE
•     SYSTEM
•     CurrentControlSet
•     Services
•     Intelppm

4) In the right hand column find the entry titled START and double-click on it

5) Change the number to 4 and click Ok

6) Close the Registry Editor

7) Shut down your computer and restart

This time the computer should restart normally and finish the installation of SP3.