[grace]

I am facing the problem when I start up my computer, it display the message which says "Explorer.EXE-Application error 0x71ab664d. It is a Window XP

 

[deleted122510]

This might help your predicament.

Everything leads to a reinstallation of your OS.

 

[sobeit]

longshot - if you are able to get into safemode, try restoring to a previously saved restore point and see if it helps.