Monday, February 15, 2010

Free Microsoft Virus Protection

What are computer viruses? Computer viruses are programs that are designed by programmers with the intent of bringing down a computer system, or steal information from a computer system, or hack into a computer system, or maybe even spread a message. Computer viruses if not removed from a computer system can cause a lot of damage, mostly in terms of data loss. The best way to get rid of a computer virus is by using a good free microsoft virus protection package.

An free microsoft virus protection package is a special kind of program that scans a computer system and isolates or removes computer viruses. But how does an free microsoft virus protection package work? Well, technically, viruses are usually very small programs that contain fragments of unique codes in them. These code fragments can be used as a method of identification, or "fingerprints". When an free microsoft virus protection package scans a computer system, it looks for these �fingerprints� that may be present in the stored files and compares them with a large in-built database called "virus definitions." If a match is found, the free microsoft virus protection immediately alerts the user for a possible virus threat.

According to an estimate by a leading free microsoft virus protection company the �birth rate� of new viruses is almost two hundred a month. Because a good part of the detecting ability of an free microsoft virus protection package depends on the �virus definitions� file, it must therefore be updated regularly. Most advanced free microsoft virus protection packages update their own �virus definition� database. For other free microsoft virus protection packages, it must be done manually by the user.

Currently, several free microsoft virus protection packages are available in the market. Some are expensive, while some are free. Some of the leading free microsoft virus protection companies that sell free microsoft virus protection packages are: Symantec, McAfee, Grisoft, etc. Each free microsoft virus protection package is unique in its own way and so, a user must weigh both the pros and cons of an free microsoft virus protection package before purchasing one.

It is illegal to design and spread viruses in most countries and yet, new viruses are born everyday. With the growth of internet, viruses have started spreading faster and more efficiently. Therefore installing an free microsoft virus protection package has become quite necessary in the last few years. A good free microsoft virus protection package can not only clean a computer system from viruses but can also protect it from virus attacks. Just like the old saying, prevention, after all, is always better than a cure.

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