In today’s revolutionary, world where each and every individual is directly or indirectly dependent on computer, it is very essential to maintain fitness and efficiency of system. With this thought, I downloaded and install antivirus security software to safeguard my HP laptop from nasty threats and virus. One day while working on my computer, I saw some unknown virus infections in my PC. I searched a lot to find out proper tools to get rid of them but could not find a proper solution. Then a very close friend of mine suggested me to have proper antivirus upgrade from certified technical organization.

Features

Antivirus security program plays a very vital role in system authentication and protection. It safeguards the computer system against all kinds of rouge application codes, such as virus, adware and malwares. An antivirus security program provides protection against following issues-

· Slow performance of PC-Virus attack causes malfunctioning of various windows registry files, which in turn slows down the performance of system to large extent.

· System freeze and halt-Virus causes sudden freezing and halting of system screen which affects the working efficiency of system.

· System crash-If not scanned at right time, it can cause system failure or blue screen of death to extreme case.

· Hardware failure- Due to malfunctioning of software applications, memory load increases, which causes hardware disabilities, such as corruption of RAM.

If you find yourself uncomfortable with procedure to upgrade antivirus software, simply follow the steps mentioned below-

Upgrade Antivirus Software on Windows O.S.

STEP 1-To manually update antivirus security software, open your Internet browser and navigate to initial page of company that produced your antivirus security software.

STEP 2-Look for “Downloads” option and click on particular link.

STEP 3-Look for updated version of antivirus security program and download it. After that, run the setup of antivirus software.

STEP 4- Remove the antivirus security software that is previously installed on your system through control panel.

Usability

Visit to site of particular antivirus security software program that you are using at present and look for option of upgrade to higher version. Alternatively, you can also remove current antivirus software using control panel and install another antivirus program through search engine.

Recommendation

I strongly recommend you to have a certified technical support to upgrade antivirus security program from lower version to higher. Certified technical support provides quality security measures to make system free from all nasty threats.

Computer virus is a malicious application code that reduces work efficiency of your desktop PC. It is a software program that copies itself and infects a computer. Widely, computer virus is a common term used to represent other types of malwares, adware and spyware programs that cannot reproduce further.

There are different types of virus threat that might be detected easily, but there are viruses that are hidden in form of files. This makes the users unaware that their computer has been affected by viruses.

Some of the common types of virus are-

• Boot sector viruses: This virus badly affects removal disks, diskettes and hard drive.Virus affects the Mater Boot Record present in floppy disk and inserting it causes severe infection to your Desktop PC. Inserting of infected floppy into hard drive causes infection to system as well.

• Program viruses: This type of virus is referred as extensions of .BIN, .COM, .EXE, .OLV,.DRV. Opening of program file containing virus, activates the affect of virus infection. Activation of program virus causes reduplication of virus and infection to other programs atsystem.

• Multipartite viruses: This virus infects the program files and boot records once the program is activated. As soon as you boot your system, all the local drives and application programs will be infected causing system breakdown.

• Stealth viruses: It is not easily detected by any antivirus security software. The virus hides in a very unique manner, such as hiding himself in memory or modifying its file size.

• Polymorphic viruses: It has a capability of changing virus signature that is known as binary pattern. Known for its multiplying and hiding capability, it is not easily detected by any antivirus security program.

The hazardous affects of computer virus are mentioned below-

1. It causes slow working of system.
2. The probability of freezing and halting of desktop screen increase.
3. It often restarts itself.
4. It displays some uncommon error messages, dialog boxes and distorted menu.
5. Improper working of application programs and incorrect document printing.

To prevent unnecessary virus attack at your system, install antivirus security software, such as McAfee Premium or AVG free version.