How to update your antivirus

One of the things every computer user should familiarize themselves with is how to maintain your computers antivirus software.


Antivirus software typically uses a couple of methods to detect and remove viruses and other threats. The first method is signature based detection. This involves searching for known patterns of data in computer programs. Virus protection software or antivirus has a library of these patterns that it compares programs against as it is executed, copied, opened, closed, and modified. These patterns are called signatures. Antivirus companies are constantly working to identify new threats and update their signatures to keep up with the new viruses. The second method of detections is called heuristic. Heuristic detection checks program behavior for malicious activity. Most modern antivirus software uses both methods to protect your computer.
Now that you have the background, we will discuss how to keep the virus signatures or definitions up to date on your computer. The first step is to determine what type of antivirus you are running on your computer. You can do this by looking in the lower right hand corner of your pc by the time and date. Move your mouse cursor over the icons displayed it this area, pausing with your mouse cursor over each icon will cause the name of the corresponding software to be displayed. Look for anything with antivirus in it. Usually you can double click on this icon or right click on the icon to launch the antivirus software. Once the software is launched you will see the interface that allows you to control the setting for your virus software. Look through the menus and icons to find an icon or menu that will allow you to click to update your virus definitions. EarthLink offer free antivirus to its customers that can be found here.

One of the things every computer user should familiarize themselves with is how to maintain your computers antivirus software.
Antivirus software typically uses a couple of methods to detect and remove viruses and other threats. The first method is signature based detection.

One thought on “How to update your antivirus

  1. This information about how to update antivirus is very useful for the users. Antivirus software must be updated regularly to stay effective against new viruses. Most antivirus software is designed to update automatically, but we can also update our software manually.

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