[Shrapnel]

It would be difficult to do, as most trojans and spyware need to be "installed" in a way, either by running a program (ala attachments in OE), or through open network ports. Are you running with file/print sharing on?

QUOTE:
"To the best of my knowledge I have not opened any file from anyone that has not been scanned first. Only from poeple I was expecting files from. Today is the first day that this has happened. "

Any chance someone might be infected that you recieved files from?

Regarding your second question, again, it would have to come through an open port that a firewall would normally block.

Hope everything works out!