Internet is not secure and you should protect yourself from viruses, spyware, trojan horces etc. There a lot of good antivirus programs. The best free antivirus is AntiVir. It is a free antivirus program for Windows computers. It has a resident component that monitors file movements for signs of viruses. It also allows you to scan your computer and repair files that have been infected. The program comes with a facility to automatically check the AntiVir website for updates to the virus definitions and download them. Updates are free.

You also need to download pop-up killer and spyware eliminator. Here are some good free antispyware programs: Spyware Doctor - provides three-way spyware protection for your PC through real-time threat blocking, advanced system scanning and immunization against known browser infections, Ad-Aware SE from Lavasoft - with the ability to scan your RAM, registry, hard drives, and external storage devices for known data-mining, advertising, and tracking components, Ad-aware SE easily can clean your system, allowing you to maintain a higher degree of privacy while you surf the Web. Against pop-ups you may use the free pop-up stopper - it is a very good one.

As usual free software are not so good as we want. Here you can download the best world-known programs. You have to decide during one month of trial period would you like buy or uninstall these programs. Try it and decide. Norton antivirus, Panda antivirus, Pop-up killer, Spyware killer

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