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I don't know how reliable anti-keyloggers are. At the least, I'd want one that ran constantly rather than relying on periodic scans. I read of one case where the FBI installed a logger on a suspect's machine that only captured keystrokes when he went to certain sites. to satisfy the limits of their search authorization. Anything the government has, some clever hacker has probably figured out as well :-)

Totally interesting me thinks.  Also, I've mentioned to my friend that someone may have had access to her PC, however brief, though she is pretty certain not.  What times we live in - interesting if nothing else.  Thank you!