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Viruses and Trojans have signatures written for them. By this I mean, when a virus has been discovered, programmers will write a blocking code that is installed in the anti virus program. When you update your anti virus program this new "virus signature" will be recorded in your anti virus program. Then when the virus comes a calling, your anti virus program will recognize the virus and initiate the blocking code so the virus can not install itself in your system.

So with out the signature of the virus, the virus can enter your computer. So updating your anti virus program daily is very important! Some of the top anti virus programs have a new Technology called Heuristic Technology.

This Heuristic Technology dose not need the signature of a virus to block it. The way it works is Heuristic Technology looks for careerists of viruses and will block it just for looking unusual. This is the way of the future. Hackers are getting smarter, our defence must follow. If you care to read more you can on my site trojanhorseremoval.org

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13y ago
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11y ago

Anti virus programs are very important in order to keep a computer running safely without the harm of viruses. A computer without an anti virus program opens it self to little "worms" that dig into files, when the worms access files, they can share information of the user across the web.

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9y ago

Antivirus software can easily remove virus,spyware,malware,worms, rootkit and Dialers from your PC and also maintain its speed.

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13y ago

to remove virus, worms, Trojan horse, malware, spyware and many other.. firewall is used to block hackers.

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12y ago

A computer virus can damage files. It can also interfere with computer's operation

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Q: Uses of antivirus
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Related questions

What is Personal Antivirus?

Personal Antivirus is a fake spyware remover. It uses popups and fake system scans into thinking you're infected, and afterwards it suggests that you purchase its "full version". More info here: http://www.2-viruses.com/remove-personal-antivirus


What is antivirus and what is uses of antivirus?

You may face several technical issues when any malicious program gets entry in your system. Some of the technical issues are applications taking more than usual time in responding, some of the programs are not working properly, etc. This is antivirus which destroy your computer. So for protecting your PC, laptops and computer we install antivirus in our computer. In which AVG Antivirus is the best antivirus so far. For more information call us on 1-877-523-3678.


Side effect of installing multiple antivirus programs on one computer?

Each antivirus uses up about 5% of your ram when it is not running. if you install more than one anti virus your computer will become extremely slow


What is technique of net-protector antivirus?

It uses the same registry technics and definition updations as like others..Vinay V. Patil


Which antivirus with active protection uses the least resources for a PC with low specs?

The past paid antivirus would be Kaspersky® Anti-Virus. The free ones would be Avast, Avg, and Avira Antivir. GOOD LUCK!hey don't forget about nod32, it the most efficient & little antivirus ever tested..try it and realise


Is Antivirus System PRO a virus?

Short answer - yes. Long answer - not exactly. Antivirus System PRO is a fake anti-virus program, which uses intimidation (popups, browser hijacking, fake system scans) to trick users into purchasing it. It's actually a Trojan virus disguising itself as an antivirus program. This can be taken care of manually by clicking the related link below.


What are the kinds of antivirus software?

usa google tranductor y lee esto te dejo un link de referido para que uses con descuento en un antivirus borra los espacios de el link y usalo htt ps://yazing. co m/dea ls/norto n.co m/ lucxander


Can pen drive be protected by antivirus?

Yes, there are several kinds of antivirus 1. Internet Security Antivirus 2. PC Antivirus 3. Mobile Application Antivirus - Pen Drive can be protected by antivirus as long as there is platform, then there is OS, then there is applications softwares that can be installed like Antivirus.


What is about avira antivirus?

It's a good free antivirus.


How do you help norton antivirus contact number?

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Is antivirus example of a utility software?

YES An antivirus is a utility program


what is Norton antivirus customer support number ?

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