Antivirus software; plays a major role in providing protection; to your system from a number; of security threats such as viruses, spyware, malware, etc. A virus can pose a threat to a computer if it is not removed instantly. However, using antivirus software is the best thing to do in this case. With the security features of the antivirus, you can use your computer; smoothly without any error. However, some sorts of antivirus; have occurred on a regular basis which required urgent removal.