Protect Your Computer From the "Internet Doomsday" Virus

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How Can I Protect My Computer?

Because a malware attack can happen at any time, the best line of defense is to use software to scan your computer often. Check out the FBI's resource guide for step-by-step instructions to check if your DNS has been comprised.  The agency also has a list of free malware check-up tools you should use to scan your computer before Monday. (Photo: Getty Images)

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