i have visit microsoft.com for help..i try to install the blaster worm removol, but it require the Security Update for Windows XP (KB823980)...

i think i have hit by Blaster Worm, but funny thing is..ppl said if i hit by that virus..i should have 2 files under \windows\system32\wins\ but the folder is empty! "this is what appear"
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i have restall the window today, but after the installation complete..it appear a msg " and force my computer auto shut down in 50 second everytime i start my comp...is it the cd key problem???...