Computer viruses are software programs that are deliberately designed to interfere with computer operation; record, corrupt, or delete data; or spread themselves to other computers and throughout the Internet. Antivirus software is a computer program that detects, prevents, and takes action to disarm or remove malicious software programs, such as viruses and worms.
Since new viruses are constantly being created by computer hackers, antivirus programs must keep an updated database of virus types. This database includes a list of “virus definitions” that the antivirus software references when scanning files. Since new viruses are frequently distributed, it is important to keep your software’s virus database up-to-date. Fortunately, most antivirus programs automatically update the virus database on a regular basis.
There are many good free and paid versions of Anti-Virus programs. Below are the ones we recommend: