today I accidently download a programme which install by it self . afterthat all my * . exe files are corrupted ..? maybe .. I dont know what actually happens. I cant run all my programme . my comp tells me 'window cannot find 'C:(files name ) .exe'.
What had happened to my comp ? and how can I solve this problem ?

Try this, Go here: http://www.dougknox.com/ In the left column click on WinXP fixes, then in the main window click on file association fixes.
Download and run the .exe file association fix.
Then go here and run an online scan.

RAV

go here

http://www.dougknox.com/

click on xp fixes, file association fixes, then exe file association fix.
The instructions are on the page how to use it.
Small tool and will fix your problem.
Then go to trend micro housecall for virus scan.
Hope that helps

why dont ya try the antivirus scan first? so then you can fix the problem instead of cover it up. well anyway, it seems you have the same problem as I.

Thanks guys ,
I have solve my problems with your help , I really appreaciate it . Now I can run the latest antivirus , the virus I had was JS exploit.gen .
Thanks again!