Viruses are among one of the most common problems with operating systems and software today. Virus is a type of software that “infects” a computer. Viruses can be a simple prank–an annoying pop-up message or blue screen, for instance–but too often a virus is a malicious attempt to outright destroy data and programs. Viruses can not only threaten your privacy, they can reduce your computer’s performance and even disable your computer. To protect your PC from virus attack you have to install antivirus software and update on regularly.
There are several different types of viruses, but they all have a common threat that you should remember: Viruses aren’t actually attached to data; they must be run in some form to infect a pc or its data. Viruses can infect and destroy immediately, or can get triggered on a specific date. They can affect single desktops, or spread to entire networks, servers and websites.
Infected disks, Network sharing, Internet, web downloads, and e-mail attachments are the most common ways for viruses to enter your computer system..
If your computer runs consistently more slowly than normal.
If your computer Stops responding or locks up often.
Restarts on its won and then fails to run normally.
Applications don’t work properly
If you see unusual error messages.
If you see distorted menus and dialog boxes.
Strange behavior with you email program.
These are common signs of computer infection. Now here are some ways to protect yourself from computer viruses:
First, use a high quality anti-virus program. There are many different anti_virus computer programs in the market some of them are better than others. You can take guidance some technical support person or go through computer magazines or websites for ratings to help you find the one that matches your need.
Secondly, make sure your anti-virus software is always turned on and scanning incoming and outgoing email messages, or any software program that runs on your computer system.
Thirdly, keep your ant-virus up to date regularly, whenever updates are available.