Antivirus software is a program or set of programs that are designed to prevent, search for,detect, and remove software viruses, and other malicious softwares like worms, adware or more. These tools are important for users to keep the computer protected from bad software.
There is a general belief among most people that anti-virus installed in a computer helps defend from maliciaous softwares at all times. Is this always true? Malware expert David Perry from the Comodo states that there are 200,000 to 300,000 new viruses discovered everyday and they circulate only for a short time