Some software has become very useful in the fight against computer viruses. However, most antivirus software is ineffective and sometimes harmful. The best defense against viruses and malware is through the help of an experienced and trusted technician.
As mentioned above, some antivirus software is useful while others are completely ineffective against computer viruses and only serve to separate you from your money. Calling a trusted technician to use their eyes and effective software is the absolute best way to ensure that your computer is clean.