What is a Computer Virus?
Computer viruses are unwanted computer programs that can invade your hard drive and cause many different types of damage. Usually viruses are created when someone writes a computer program and embeds harmful software within that program. As soon as other people begin downloading that infected program onto their computers, the virus finds it's way in and negatively alters information stored in the computers. Not one computer virus is alike, there are millions of diverse programs that cause varying amounts of damage to a computer.
Just like human viruses, computer viruses spread rapidly as soon they are created and computers are exposed to the 'infection'. Although instead of traveling through the air, computer viruses disperse themselves all over the internet, sometimes you can get a virus just by clicking on a certain webpage. Many of times computer users will have a virus in their computer for a long period of time before it is detected or before it starts causing greater damage. Even when you have anti-virus software in your computer, it will not always find every virus because the anti-virus software can only find threats already known through that program's database.
You may ask, Why would someone create such counterproductive programs?
Well, there may not be an exact answer as to why humans knowingly create computer viruses other than to get some sort of revenge or to challenge their skills. No one will be able to prevent those people from creating viruses and exposing other computers to infection, the best thing for computer users to do to prevent such invasion is to use current anti-virus software and be cautious as to what sites they visit and what files they download.
When a virus finds it's way into your computer, it will hide in your hard drive and rapidly duplicate itself just like virus cells do in humans. You may not be able to tell, but every time you save your data, you are also saving the virus. Soon enough the virus has multiplied to such a great extent that it damages your data and causes major problems.
Although the computer's ROM (Read Only Memory) will not be affected by a virus, the RAM (Random Access Memory) and your computer's disks will surely be damaged. So if the virus is only in the RAM data in your computer, when you shut the computer down the virus will be lost as well as any other memory that had been held in the random access memory (RAM).
Unfortunately if the computer virus is on your hard drive or computer disk it will remain in the computer after you restart it and it will be there whenever you use the program again. If you switch from the infected program to another program without shutting down your computer, the virus will then attach to the other program. With that happening, that virus will slowly go through infecting all of your computer's programs before you have a clue that you computer is infected.
Currently, millions and millions of dollars are spent on efforts to protect computers from viruses and eliminate destructive virus programs.
Anti-virus programs offered by commercial and shareware sources were made solely to detect and fix programs that may be virus infected. These programs should be used to scan for viruses every time you put a disk into your computer and every time you start up your computer.
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Fix Your Freezing Computer
Does your computer keep freezing unexpectedly? Does your PC not operate like it should?
If you are searching for solutions to fix annoying computer problems, keep reading this brief article and you will find ways to remove those issues and greatly improve your PC's performance.
Many times when your computer is acting up and constantly freezing, the issue originates from your windows registry system. Before going to a professional or wasting your time looking on the internet to figure out what's wrong with your computer, keep in mind that your PC's registry is one of the most fragile parts of windows.
The registry system stores all the information needed to operate your programs. When you install, edit and delete programs, the computer's registry builds up with problematic information causing issues such as slow internet, active x malfunctions and most commonly it slows down your PC causing it to freeze. Don't forget, a "broken" computer registry is the number 1 cause of computer errors
When your computer keeps freezing, it can be fixed by simply cleaning your registry system. It may seem like a confusing and complicated task if you don't know what you're doing but fortunately you can find registry repair programs that are highly effective and will automatically clean your registry with just a click of your mouse. Never try to manually edit and repair your computer's registry; there will be no doubt you will end up causing more problems! Online there are free system scans available for you to download so that you can use those utilities to repair your computer's issues and no longer have the pain of your PC freezing.
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