Win Xp Restart Problem!!

Hey guys i was wondering if you guys could help me, this is my problem:
Everytime i close for Ex. IE my PC restarts and it seems to happen when i quickly click close like, Right click then close...its wierd can you guys plz help me out with this, thanks


My Specs:

VGA: Geforce 6600GT
Mobo: Asus P5DL2
Ram: 2GB Dual Channel
PS: 545 watts(just purchased)
OS: Win XP Pro

 

Right click on "My computer" then select properties, then advanced tab

or Click START, then RUN, then type in: RunDll32.exe shell32.dll,Control_RunDLL sysdm.cpl,,4 (press enter).

Then select "settings" within startup and recovery.

Next uncheck "automatically restart" within system failure.

Then press ok, ok. Now, do the steps ye did to cause the computer to reboot.

Post the error ye get.

 

Ok thanks m8, ittl prob take a few days b4 it happens again, it just happens randomly to me...but im sure this will help...again Thanks!!! I will post the error i get once i get it!!!