Quick Tip: Free online antivirus scans

CNET Editor Tom Merritt shows you how to give your PC a quick check-up with online antivirus scanning.

There's a time and a place for giving your PC the once-over with an online scan. CNET Editor Tom Merritt explains when and why you may want to supplement your full-time antivirus software, and offers up some good destinations for making a quick system sweep from the Web.

About Jessica Dolcourt

Jessica Dolcourt reviews smartphones and cell phones, covers handset news, and pens the monthly column Smartphones Unlocked. A senior editor, she started at CNET in 2006 and spent four years reviewing mobile and desktop software before taking on devices.