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Computer viruses

Prevention

Have an effective antivirus software program installed in your computer and always keeps it up to date On the computer, turn on the firewall. Keep the computer operating system up-to-date Never open any e-mail attachments unless you know where that email is from and what is inside it. In some case, e-mail attachment from your friend also contains viruses Using Firefox as web browser (it is free, secure, easy to use web browser and also the most popular one). Firefox will block websites which contain viruses and show a message which tells you that the website is blocked as an entrusted site. Never download any things from pirate download site and torrent websites because most of files out there are illegal and many of them contain viruses. Back up data regularly.

To remove a computer virus, follow these steps:

Install a trusted antivirus software on the computer. Update the antivirus software on the computer. Then, perform a full scan of the computer by using the antivirus software. Reinstalling the operating system is another approach to virus removal. It involves reformatting the computer's hard drive and installing the OS and all programs from original media.