A computer virus is a program that attaches itself to, overwrites and/or otherwise replaces another program in order to reproduce itself without the knowledge of the computer user.A computer virus is nothing more than a computer programming that is coded to remain hidden in your computer. when a virus infected disc is inserted in computer that will directly inter computer and computer will hang and other unwanted problem are appear.Booting the computer with an infected floppy disc is one of the most common ways of catching a virus.Downloading a file from the internet or an online service is another way of catching a computer virus.To be far from the the virus scanning is important of any files.The most important thing that we should do to protect our data is to install a reputable anti-virus program on our computer.In order for our anti-virus software to remain effective we must update it regularly for the simple fact that there are new viruses being introduce at the alarming rate .No anti virus software is 100% effective.While very few people have actually seen a computer virus,they are real and they are to stay.As the software companies develop new and improved methods to combat viruses appear to defeat them.In conclusion one fact remains remember that virus are the enemy of software company and software's.
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