My brother went on Internet explorer and it got a message saying something about the orignal window files have been replaced with different ones and it will get them back for me, but the replaced ones could fuck up my whole windows.

I dont have the CD on me at the time, so i had to click cancel. At the moment im scanning my pc. Any ideas why i got this message?

Yes, an unknown program has currupted some system files. Until you know exactly which files they are I suggest you not restart your computer as it could be a file resulting in a fatal error which causes you to have to reformat.

You suggest not to restart my computer, so i leave it on forever? Oh god.. :-\

Ive just shut it down, and now its turning on. Lets see..

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IT STILL WORKS! Yay. Now to wait for the message to come back :P

Thanks for all your help guys.