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by: CharlieReese
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When it comes to an issue such as a "computer virus removal" there are several different stuff that you need to know. Before you can effectively go through with any computer virus disposal, you are going to have to understand what a computer virus is and what the different types of computer viruses there are and how they actually function. You can learn how to properly remove these viruses from your computer and protect your system from them in the future.

What are Computer Viruses?

Computer viruses are types of computer programs that are able to copy themselves. Most of the time, without permission of the computer user. Viruses are similar to worms and trojans because they are very different at the same time. Some viruses are programmed to damage the computer by doing damage to the actual programs themselves on the computer others are not designed to do any damage but rather work by replicating themselves and infecting others through email or instant messaging, which is the way in which the computer user usually finds out about them.

Different Types of Computer Viruses

There are so many different types of computer viruses that are known about, a few of the most major types being resident viruses, direct action viruses, boot viruses and macro viruses. Resident viruses are those viruses that dwell in the RAM memory and which work by overcoming and interrupting all of the operations executed by the system including corrupting files and programs that are opened and closed.

A perfect action virus is one that has a main purpose of replicating and taking action when it is executed. The batch file of this viruses are always located in the root directory of the hard disk. Overwrite viruses are those that are characterized by the fact that they delete the information that is contained in the files that they infect, and this renders them as being partially or even totally useless once they have been infected.

There are boot viruses that affect the boot sector of a floppy or hard disk, and macro viruses that infect files that are created using certain applications or certain programs that contain macros.

Say Goodbye to Computer Viruses

When it comes to a computer virus disposal the eradication method that you are going to have to use will depend on the particular type of virus that your computer is infected with, so this is what you will have to determine first. Also make sure that you go with a name that you trust for your computer virus removal needs, such as McAfee, Norton, or Avast.

About the Author

Charlie Reese writes computer articles and offers advice on getting rid of computer viruses. He also studies astrology in his spare time.

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