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Today I want to talk a bit about the dreaded computer virus. The purpose of this article is to teach you, the home user, the basic skills needed to help detect, remove, and especially to prevent viruses infecting your computer. As the owner of a computer consulting company, I have seen first hand the damage that computer viruses can do. To protect yourself against a virus attack, it will be necessary to understand exactly what a virus. A virus is essentially a software program designed with malicious intent to copy itself and spread from one computer to another. What makes a virus so dangerous is what they are designed to do.
A virus, once installed on your computer, easily damaged or delete data from your computer. This can be anything from your latest Word document to the irreplaceable photos of your loved ones. We get into exactly what a virus can do later in this article. Now you have an idea of what a virus is and what they can do to your computer, you can discuss how your computer gets infected. I've heard countless times from people, "But I did not open any e-mail attachments, how can I infected?" While it is true that a majority of viruses hidden in email attachments, they can also be downloaded into our computers in the form of images, videos, or even instant messages. I have personally removed a virus from CDs, jump drives and floppy disks.
Lets talk about ways to help protect your computer from viruses. To protect your computer against these threats is essential that you are an anti-virus program installed and up-to-date. I've seen many times in computers that have anti-virus programs, but still be infected with a virus. I would note that not all anti-virus programs are equal. I will not discuss in this article, which anti-virus program that you should or should not, however, use e-mail me and I will be happy to assist you in that aspect. Your anti-virus program will do little good if you do not keep your definitions up to date. New virus identified all the time so it is vital to your anti-virus software up to date on the latest threats to keep. Another proven method is to use a firewall.
A firewall is basically software or hardware designed to filter out information that is sent to or from your computer. Think of a firewall as a guard at the end of the driveway before someone enters your home they must first pass a set of rules or security you have given before they are allowed to enter your home. Some of the software-based firewalls are Norton Internet Security, Zone Alarm and Trend Micro. You can use a hardware firewall and not even know. If you have a LAN (Local Area Network) then chances are that you have a router or something. Most routers come built into a firewall, which is very effective in protecting your computer against viruses. Another technique used to prevent viruses is to keep your computer up to date. If you are using a Windows-based PCs often check Windows Update for all security patches that are released.
Not open email attachments unless you know what the sender is asking for trouble. Lets move on to identify infected computers. As a PC technician, it is my responsibility to quickly sign of viral infections. Computers with infections will often show some of these symptoms. Note that the points below can be caused by various problems such as spyware, and are not specific to viruses. Your computer may be slow to start or quit. You may be missing data on your hard disk or, in worst scenario, you lose all data on the disk. You may experience strange error messages or your computer unexpectedly. Your fonts can be distorted and you can overlap or difficulties in printing.
These are just some of the damage that viruses can do. Now the hard part, removal. This is a topic worth its own article, because there are many different procedures in removing viruses. I will discuss with you the basics. If you think you are the victim of a virus to do a thorough scan of your computer. It may also be helpful if your hard disk scan while in safe mode. This is usually achieved by tapping F8 during startup, but see your computer manual for instructions to be sure.
If you do not have an anti virus program, the first thing to do is get one! In the meantime, you can use the services of an online virus removal tool. Many of the popular anti-virus programs offer this service. My intention of this article was to help inform you about the dangers virus may pose threats, as well as giving you the knowledge to help detect, remove and prevent these threats. I hope I achieved this, and you can walk away after reading this article, feel more confident in your ability to help protect your computer from viruses.
