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Chapter 8. Working with Computer Utiliti... > Get Protected with McAfee Online Vir...

Get Protected with McAfee Online VirusScan

With so much time spent on the Internet today, people and their computers are at risk. Because it's often difficult to tell where downloaded files and email attachments originated, it's hard to keep potentially harmful material off your hard drive. That's where antivirus software comes in. It protects your computer settings and data from changes or damage.

What Is a Virus?

A virus is a small computer program, typically taking the form of an executable file, that runs and causes damage or performs an action on your computer. Viruses are created and spread by people who run the gamut from harmless pranksters to those wanting to cause serious damage.


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