Solve : My computer won't open programs or applications.?

1.	Solve : My computer won't open programs or applications.?
Answer» When trying to open anything, such as cmd or a video game, my computer gives a message saying, "Choose the program you want to use to open this file:" Then it gives me a list of programs such as Paint, ADOBE Reader, Windows MEDIA Player, etc... Normally my computer opens things without giving this window. The only thing I have done differently is delete a file LOCATED in Local Disk, WINDOWS, System32. The file was called dddesot.exe and I was told to delete this by another website in order to remove WindowsAntivirusPro. I rebooted after I did this and now I have this problem. Can anyone HELP?try these steps: http://filext.com/faq/broken_exe_association.php

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