Your Windows XP SP2 computer experiences a STOP 0x0000007E BSOD (Blue Screen Of Death) during or after startup:

STOP 0x0000007e (parameter1, parameter2, parameter3, parameter4)
aec.sys

This behavior is caused by a timing issue.

Download the 900485 fix package now.

After applying the hotfix to your Windows XP SP2 computer, you must restart your computer.