Everybody who has been in line for more than a couple of weeks have heard about computer viruses. Many people have them, and many people have them, and do not know. Not all viruses are designed to damage the infected computer. Some viruses designed to steal valuable information such as account numbers and passwords, and other viruses is intended to save if you go and what you are interested in.This information, when collected, will be sent back to the master of the virus ', which uses either to steal from you or spam you to death, offers words of those who have made on the basis of the keyboard. These viruses are also known as tracking cookies. There is also a Trojan (Trojan horse), worms, and bombs.Are companies that offer free of charge), or sell) anti-virus software, which is intended to protect your computer from these viruses. Because these viruses are released on a daily basis up to several dozens, you have an antivirus program updated on a daily basis too, the nature of the virus database. Anti-virus (AV) software and the virus database is full of all the virus patterns are available for an indefinite period of time.It is estimated that 80% of the viruses is intended to destroy the data, they infect computers. That is to say, they destroy the hard drive cannot read the file allocation table rendering, but different viruses to do different things. I was infected with a virus that I wiped out in December, the Outlook address book. Two weeks later as address book, and it was a complement to remove it again.You can reduce the risk of viruses, picked up a few jobs. You need only the first step is to install the AV program and edit its settings. Some of the free AV software is as good as some AV software purchased, but if you want the best, you need to buy. Is not expensive-less than $ 50 per year-especially when you compare the cost of repairing the damaged computer.Once you have selected and downloaded the antivirus software, please check your settings and to impose it checks all incoming and in the outgoing files downloads, uploads, and emails. If it does not scan e-mail messages is not enabled, a search for a second. Set it to update the pattern files (database), or automatically on a daily basis.Update customer patterns and then run a full system scan-it lasts an hour. Insert the AV software once a week for some time, even if it is, but is not enabled. (I) a mine, you should be cautious about Monday. Become am 2. Be careful as the download is approximately prowling at dusk Sojourners. Never download porn sites. Come, be very suspicious of small files. Most viruses, such as their living counterparts is small. If you want to download a movie or music, and it is therefore much shorter that normal, cautious or not to do. Now, you should be cautious about attachments does not know the senders of e-mail messages.Get anti-spyware and performs regularly or/and set the browser to dump all cookies (from the privacy policy) at the end of the session. If you regularly run problems after dumping the cookies you can go to a site often (like Google), add them to the "Trusted zone". Viruses are spread and the consequences can be expensive, but you do not have them, if the couple (free) precautions to be taken.