If your computer uses Windows, you need virus protection because most viruses are designed to this system. Trojans and worms also infect Windows as well, and is therefore more spyware. Operating systems have started to design anti-virus programmes, in their systems which makes it much safer than previously being. Despite this, virus protection is a guarantee which applies to each user that surfs the Web, because it is still possible to seek one or other disorders can completely ruin your computer.
Viruses and worms have been so bad that they have caused large companies to shut down their e-mail systems up until the virus could be stopped. One of these companies is Microsoft in 1999 when the Melissa virus spreads. In 2004, the Mydoom worm affected approximately 250,000 computers on one day, and 50 million computers were infected by the Storm worm in 2007. They are too powerful to take risks with because that number when a computer is completely ruined by a virus.
When a virus attacks your computer, there can be many things that you do not want to do, as delete some of your files, to your personal data, or it can use your computer to attack other computers. Sometimes this is done through infected e-mail sends the person that you write to an infected message, and you don't even know that it happens. Virus mail usually distributed travelling in an attachment to an e-mail message. They often send messages to everyone in your address book.
It is possible to have a computer virus and still work on your computer. It can slow or block, or it may hang and then start again in a short period. They can do even if you have an antivirus program, because they disable it so that they can enter your computer. A virus often prevents an antivirus installed on the computer program.
There are antivirus available free programs which are very good at preventing viruses from entering your computer. AVG Anti-Virus 2011 is one of them. Just download it and immediately removes viruses and spyware. It gives you basic protection, and if you want more features, an updated version is available for purchase. Norton Antivirus and others offer a 30 day trial which is useful if you want to know if your computer has any spyware or viruses which may affect its performance.
In addition to having a good program antiviru on your computer, it is important to have your firewall enabled. More recent computers are sold with these already installed on the computer, but there need to be turned on. If you do not have a firewall, you can obtain free of charge online. It is also important to perform all updates recommended to your computer. In addition, make sure you have an updated anti-spyware program installed on your computer. Do these things probably will prevent you from obtaining these terrible infections which can destroy your computer.
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