key board strokes monitering

From: srikanth (thota_2000_at_yahoo.com)
Date: 07/25/03 

Date: Fri, 25 Jul 2003 12:25:18 -0700

Hi, somebody in my computer installed keyboard strokes
monitering programme with that he came to know all my
email , bank account user names, passwds . How can I know
any hidden key strokers moniter programme is running in
my computer.

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