More PC antivirus downloads Sign up for our free Virus Alert Newsletter. Scan new disks and CDs, downloads, and email attachments with your antivirus software before you open them. Since these formats don't support macros, they can't carry macro viruses.
Chances are it's a false alarm.
If it's on this list of virus hoaxes, Computer Virus Myths , do your friends a favor and don't forward the message to them. Antivirus software protects you from the terrifying Trojan horse, Back Orifice . HouseCall scans your PC for viruses over the Net for free . The virus targets users of Microsoft Outlook to send messages with the virus to every person listed in that user's address book. If a user opens the included attachment, the virus overwrites existing local script and HTML files, as well as picture and music files, with its own code.