Solve : Keyboard and mouse freeze when I touch any keyboard key?

1.	Solve : Keyboard and mouse freeze when I touch any keyboard key?
Answer» I have two different versions of Windows XP on my system. I am able to SELECT which one I want with the enter key. But after Windows comes up with my family's usernames, the keyboard and MOUSE freeze whenever a key is touched. I am able to use the mouse, open documents and files, surf the WEB, etc., just can't type. I think I have CONTACTED a virus, but AVG doesn't find anything. Anybody familiar with a virus that behaves this way?How long has this been happening? Have you TRIED a System Restore?Been happening for about a week now. Did not try a system restore - I was not at home when it started so not sure exactly when.What about another keyboard? (preferably a PS/2 keyboard - round plug)

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