Computer virus A computer virus

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Computer virus A computer virus Powered By Docstoc
					?A computer virus is a small software program that hampers the performance of your
computer. It can be easily spread from one computer to another. It may corrupt or
erase data on your PC, can delete everything on the hard drive and use an e- mail
program to spread the virus to other computers.

Computer viruses are most easily transmit by attachments in e- mail messages.
Therefore, it is recommended never to open an e- mail attachment unless you are sure
who actually sent the message. They can be disguised as attachments of funny images,
greeting cards, or audio and video files. Computer viruses can also spread by using
downloads on the Internet. They can also be concealed in pirated software or in other
files that you may download.

You can face the following problems if your PC is infected with computer virus:

Windows would not start even though any system changes are not made by you or
you have not installed or removed any programs.

If there is repeated modem activity. If you have an external modem, and notice
frequent light blinking even when you are not using the modem. You may be
unexpectedly supplying pirated software.

Windows does not initiate because certain significant files are missing. Additionally,
an error message might be received by you that lists the missing files.

The computer sometimes stops responding before the desktop icons and the taskbar

The computer is running very slow or it takes longer than expected time to boot.

Even though your PC has sufficient memory, you receive an o ut-of- memory error

Programs are installed mistakenly.

Windows restart unexpectedly.

A disk utility such as Scandisk reports several disk errors.

A partition vanishes.

You cannot initiate Windows Task manager.

Antivirus software shows that a computer is infected with a computer virus.
Note: These problems may occur due to problems in Windows that are not caused by
a computer virus.

Your computer against viruses can also be protected by using a secure Internet
connection and by combining it with a firewall which is not difficult to install. You
can take the benefit of antivirus software and updates provided by your network,
along with the firewall.

To protect your computer against viruses, follow the given steps:

Turn on the firewall on the computer

Keep the computer system up-to-date.

Use updated antivirus software on the computer.

Use updated antispyware software on the computer.

About Author:

I am tech support specialist for iYogi, a leading IT support based in India, iYogi
provides pc support services via phone and remote access for home users and small
businesses worldwide. To install antivirus software visit or call on
800-237-3901 .