One of the fun parts of having a computer is, of course, access to the Internet. The worldwide web is full of useful information, readily available at your fingertips! It is also home to the potentially fatal virus, many of which can wreak havoc on your system in a moment. The following four programs can help prevent problems, best of all that are absolutely free.

Firefox - a web browser to all ages. Well, a web browser Internet Explorer to gain by preventing pop ups and malicious scripts that are downloaded to your computer. A lot of nifty features too, including tabbed browsing, Live Bookmarks, and a host of additional features.

Spybot Search and Destroy - get rid of adware, spyware and malware. Blocks the installation of spyware before it happens, works in conjunction with anti-virus software, not as a replacement.

AVG Antvirus - Provides basic antivirus protection, including scanning email attachments for viruses and the digitization of all hard disks, removable drives and external drives on your computer. A paid version has some additional tasks, including technical support.

Zone Alarm - if you do not have a firewall installed on your computer, you are open to potential catastrophic security breaches. With Stealth Mode enabled, you can search the Internet in private, away from the intrusive eyes of those who might want to steal your important information.

As with many free versions "pro" or professional program are sometimes available to give computer users a maximum amount of protection, for a price. However, four of these programs have something to offer and is worth exploring. His computer security and privacy is essential to ensure today by downloading programs that are right for you.