To a lot of people, a "virus" is often the first thing they think of when something goes wrong with their computer. The truth is, that these days a virus is almost never the culprit for your PC ...

TORONTO — ‘Tis the season for top-10 lists, and the Klez e-mail worm holds the dastardly distinction as the most prolific virus of 2002. Antivirus software vendor Sophos Inc. reported yesterday that ...