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It is essential to protect your computer against viruses and
similar malicious software.
Some protective software bundles antivirus and antiparasite functionality; some
does not.
Scores of thousands of viruses, trojans and worms exist, and more
are created every day. They can be transmitted via email, over the
Web, on networks, and on portable media such as flash drives and CDs.
There is a huge range in the effects caused by malicious software.
Email-borne viruses are
often disguised so as to appear to be sent from people you know.
Although you can avoid many viruses by practicing "safe computing", increasing numbers
of Websites are compromised without their owners' knowledge. To protect yourself, run
antivirus software.
Antivirus software is available from many vendors.
You can purchase a disk in a store, or download it from the Web.
Some vendors offer free trials; AVG and Avast
offer a free
version.
Windows users should download Microsoft's free Security Essentials.
No matter what product you use, remember:
Sources of antivirus software with free versions:
Links to dozens of antivirus vendors:
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