The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead A computer virus is a type of program that, much like a regular virus, ...

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices. You might be infected with a virus if your computer suddenly starts running more slowly, ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

But if your computer booted on the fateful day, the virus overwrote important data on all attached diskettes and hard disks, rendering the system unbootable. Even as these viruses made the news, other ...