Your computer repeatedly restarts after you install Windows XP Service Pack 2

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After you install Microsoft Windows XP Service Pack 2 (SP2), your computer repeatedly restarts. You do not receive an error message.

This issue occurs if all the following conditions are true:

You install the 32-bit version of Windows XP SP2 on a computer that has an AMD 64-bit processor. You configure your computer to enforce data execution prevention (DEP). DEP is also known as no-execute protection. You installed hardware that requires the Mpegport.sys driver.

When you restart your computer after you install Windows XP SP2, the Mpegport.sys driver tries to write data to a memory location that is monitored by DEP. This behavior causes the computer to restart.

RESOLUTION