Antivirus and Virus Definitions/Updates with Different Types

How to use Antivirus?

Computer and internet users need to have the latest antivirus software programs installed on their computers. Anti-virus software plays an important role in computer safety, as it can protect documents and files from becoming damaged or lost due to viruses.

Managing an anti-virus means how to detect and eliminate potential virus threats by efficiently using anti-virus software. This can be accomplished by the computer security program on the computer scanning any files looking for virus definitions that match a virus dictionary.

If a matching virus is found, the software alerts the user about the virus and takes necessary action, and gets rid of the infected files.


Anti-virus software is a computer program that detects, prevents, and takes action to deactivate or remove malicious programs (Viruses, Worms, Adware, etc.) These programs run in the background all the time and inform the user when some malware is detected.

This software protect computer connected to the networked computer:

  • Symantec Anti-virus Software
  • AVG Anti-virus
  • McAfee software
  • Kaspersky
  • BitDefender
  • Nod32

Virus Definition/Updates

Virus definitions contain information about the malware that can be used to identify security threats. While scanning a computer, Virus definitions tell the antivirus software to recognize viruses. When antivirus software is installed a file containing a set of virus definitions files is also installed.

To protect the computer from the most current viruses, users must update antivirus software regularly. Most antivirus programs include an Auto-Update feature that enables the antivirus program to download profiles of new viruses so that it can check for new viruses as soon as they are discovered.

An Antivirus Update is a gradation of already installed antivirus software. Update virus definitions can protect and clean the computer from the most recent computer viruses and other security threats.

Widely used Antivirus Software

Every day new viruses are spreading and infecting millions of computers across the world. For all computer users, it is very important to have proper antivirus programs installed in their computers to secure the data and programs.

Following are some widely used antivirus programs.

  • Symantec (SAV)
  • McAfee
  • AVG


Symantec Corporation is the largest maker of security software for computers. Symantecsymantec antivirus (SAV) is a very powerful effective program, which can protect computers from different kinds of safety issues.

Following is a list of features of Symantec Software:

  • SAV performs Antivirus scanning both on-demand and real-time in the background while using the computer.
  • Protects a computer against the latest viruses, spyware, and other threats.
  • Let users chat, e-mail, and share files without worry.
  • A quarantine feature isolates infected files in a safe area on the computer until they are repaired.
  • The Live Update feature ensures that the SAV scanner always has the latest Virus Definitions.

McAfeeMcAfee antivirus

McAfee Virus Scan is an anti-virus program created and maintained by McAfee Incorporation. McAfee antivirus offers effective security to the computer from attacks of malware.

McAfee Virus scan Enterprise combines anti-virus, anti-spyware, firewall, and hacking prevention technologies to stop and remove malicious software.


AVG is the antivirus software developed by AVG Technologies, a private Czech company formerly known AVG antivirusas Grisoft. It provides Internet security for Windows, Linux, and Mac OSX. AVG stands for Anti-virus Guard.

One version of AVG is available for free and can be downloaded from the internet.

The AVG Free Edition application provides basic protection for surfing, searching, and social networking. AVG Anti-Virus Free Edition is only available for home and non-commercial use.

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