What is Antivirus ?

The anti-virus software is a software utility that detects, prevents and removes viruses, worms and other malware from a computer software. Most antivirus programs include an automatic update that enables the program to download profiles f new virus, what is antivirus allowing the system to check for new threats. what is antivirus programs what is antivirus are essential utilities for any computer, but the choice of this one is very important. AV program might find a virus or a worm, while the other can not, or vice versa. Also known as an anti-virus program.
This research program on your hard drive and connected to a computer virus or worm potential external support. Overall, the two main approaches for the detection of viruses are:

Approach Dictionary: what is antivirus The anti-virus software to check a file and refers to a dictionary of known viruses automatically. If there is a match, the file is deleted, quarantined or repaired.
Approach to suspicious behavior: The anti-virus software monitors the behavior of all programs and flags any suspicious behavior. For example, what is antivirus  a program can be checked if it is to change the configuration of the operating system or to write to a particular directory.

An antivirus program is  what is antivirusdesigned to protect your computer against possible virus. Like most viruses are designed to run in the background, most users do not know when your computer is infected. Virus protection programs are used to search, detect and remove these viruses. An anti-virus software must be updated in order to be able to detect what is antivirus new viruses. Therefore, downloading the program and never get updates leave you unprotected.

What is a virus? - A virus is a program that replicates. It usually spreads join other files and programs. You can get a virus in an email attachment piece, floppy disks, downloads, etc. All viruses are different. They can remain dormant for some time and then attack your machine or they can begin immediately cause problems when your computer is infected.

Viruses are what is antivirus the only thing I care? - Do not. In addition to viruses, there is a growing number of Trojan horse programs, some as NetBus and SubSeven what is antivirus backdoor which allow others access to your computer remotely. Spyware and adware can violate your privacy and harm what is antivirus your computer.

How can I protect my computer against viruses? - You need to download antivirus software and keep it updated. Before you run a download from an unknown site,what is antivirus  or an attachment, be sure to scan to make sure it is not infected. If you do not expect the file, do not open it!