With the sudden spread of the w32 klez virus which really spoofs your computer by going into your address book and randomly selects two email address and inserts one in to TO: and one in the FROM: and repropagates itself by sending a message from your computer indicating it came from whoever it selected from your address book rather than yourself.
Cleaning virus tools are available "free" at this link
http://www.symantec.com/avcenter/index.html
If you are not sure that your anti virus software is working you can do a free online scan of your computer here.
http://housecall.antivirus.com/housecall/start_pcc.asp
Cleaning virus tools are available "free" at this link
http://www.symantec.com/avcenter/index.html
If you are not sure that your anti virus software is working you can do a free online scan of your computer here.
http://housecall.antivirus.com/housecall/start_pcc.asp