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In this era of modern technology, computers play a very important role in our daily lives. Computers play its functions in private homes, offices, work-spaces, hospitals, schools, and everywhere else. It is undeniable that computers are very important nowadays but of course, no matter how great the technology is, there will still be some flaws and problems. The existence of computer viruses revolutionized the way the computer works and what type of security measures are supposed to be taken to prevent this serious problem.