Use this guide to the most common computer virus symptoms to keep your PC healthy and malware-free.

What is a computer virus? To understand what antivirus software does, you need to know what a computer virus is.

Computer viruses are a growing threat on the Internet. They cost organizations hundreds of millions of dollars every year. In 2007, there are thousands of viruses that can affect— even cripple ...

(IDG) -- Virus: A self-replicating piece of computer code that can partially or fully attach itself to files or applications, and can cause your computer to do something you don't want it to do ...

Viruses have been known to cause system changes that affect external hardware and accessories. Computer operating by itself Computers should not be executing demands without authorisation.

On the bright side, a computer user who suffers the effects of a virus typically responds like the heart-attack survivor who, overnight, adopts healthy habits. Each time a new virus is reported ...

This guide teaches you how to remove Your Computer May Have a Virus Web Page for free by following easy step-by-step instructions.

Someone is infecting Iran's computers with what experts call "the most powerful virus to date." Here are four things to know about the virus, dubbed Flame.