The subject problem will occur if Windows XP (32-bit) is installed on a computer that supports hardware-enforced DEP and you have a legacy hardware DVD decoder that uses the Mpegport.sys driver.
To workaround this problem:
01. Restart your computer.
02. Press F8 to display the Startup menu.
03. Select Safe Mode and press Enter.
04. Use Start / Run / Devmgmt.msc / OK to open Device Manager.
05. On the View menu, select Show hidden devices.
06. Expand Non-Plug and Play Drivers.
07. Right-click the Mpegport.sys driver and press Properties.
08. Select the Driver tab.
09. Change the Startup Type to Disabled.
10. Press OK.
11. Restart your computer.
To resolve this problem, ask the driver vendor for an updated Mpegport.sys driver.
NOTE: An alternate workaround is to disable DEP by altering the Windows XP SP2 C:\Boot.ini entry to include the /noexecute=alwaysoff switch.
