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McAfee VirusScan

McAfee VirusScan is one of the most widely distributed shareware programs in existence. McAfee VirusScan can rapidly scan your computer for viruses, even looking inside documents for macro viruses.

What Is a Computer Virus?

A computer virus is a self-replicating program that transmits copies of itself through various methods. Such methods include floppy disks, executable program files, certain types of documents, and some e-mail attachments. Thousands of different computer viruses are around, and their effects range from being relatively innocuous to very serious, including some that can destroy data on your computer and—in very rare cases—can even damage some hardware components (for instance, some older monitors can be set to operate in a mode that damages them).

Computer viruses are almost never transmitted through commercial software programs. If you use only prepackaged programs and work with documents that you generate yourself, you probably don't have to worry too much about computer viruses. However, if you occasionally download programs from the Internet or work with documents (such as Word or Excel documents) that other people also access and use, routinely check your system for computer viruses. Computer viruses are unfortunately common these days; it's better to be safe than sorry.



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