computer virus

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a computer virus is a computer program that is written by a malicious author. They spread by copying themselves, then transferring on to another computers. There are around 53,000 viruses in existence,with a new one detected every 18 seconds. A computer virus can do anything from popping up a short message to wiping key files so your computer doesnt work. the ILOVEYOU virus infected up to 45 million computers causing 7billion worth of damage worldwide.so we need to protect our computers from viruses. we should always scan it.