AntiVirus

Antivirus a vital tool for each and every computer

Now a day, antivirus software has became a vital tool of each and every computer user. Everyone is in confusion that what kind of antivirus they should install on their computer to get rid of virus. Confusion can be overcome but by surfing and get knowledge of different kinds of antivirus programs in the market. Selection should be done according to the sorts of viruses they help to remove from the computer.

Three significant virus that has great impact on the computer system
Three significant viruses that have great impact on computer are boot sector viruses, macro viruses and file infecting viruses. Among these boot sector viruses causes the most danger effect on computer. This is because it directly effect on hard disk drive.

Hard disk drive is the most vital part of computer. Without it booting of computer is not at all possible. These viruses are transferred from the boot sector itself. It stops the booting of computer by damaging the hard disk drive. Other viruses do not affect the computer directly but virus is executed when the infected file is opened. Thus, virus infection varies depends on the malicious program contained by the program file.

Trial and error method of antivirus for suspicious files

Antivirus is a phrase functional to both single program and a group of programs that supply to guard a computer system from viruses. The main work of antivirus is to scan the system. In some cases where antivirus are not able to make out for the new viruses they scan the computer by trial and error method.

Through trial and error method antivirus detects the suspicious files though the file does not have any virus definition. Then quarantine the file suspicious file with screening a warning message. Now a day it may also happen in case that you got a file suspected of virus, you can quarantine it and send it for examination purpose. The researcher will examine it and release remedy for it and name it as virus.

Different range of security limited to time period of antivirus software
The range of security varies according to the time period of the antivirus software. Newer antivirus software is updated through internet. It also includes other additional function. All updated antivirus used daily for scanning of computer with give full protection from the virus. Antivirus program is also used from scanning emails before downloading the attachments.

All the three vital parts of the system are protected through antivirus scanning. Antivirus helps in scanning and cleaning files. Some antiviruses have additional function built in them like email scanners, scheduled scan, trial and error scanning, antimalware etc. They also differ in their scanning speed and also with the accuracy.

Conclusion
Antivirus program must be used routine so that it works successfully. Some antivirus has in built firewalls for security purpose. The different antiviruses are available for different operating system according to its requirement.

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