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Definition of antivirus (AV) software: Computer program that stays in the background.
Antivirus software, sometimes called an anti-malware program, appeared a few years ago to protect computers from viruses and other threats that affected th. Home; Business; For home and home office. Avast Free Antivirus is FREE. You can try paid-for versions of Avast software for 30 days. Antivirus software, if properly installed on a computer system, can prevent access to computer systems by unwanted computer programs. Viruses, worms or Trojan Horses. Antivirus (anti-virus) software is a class of program that will prevent, detect and remediate malware infections on individual computing devices and IT systems.
Computer dictionary definition for what antivirus program means including related links, information, and terms.