You can protect your computer’s security by installing any one of several freeware programs. * Four are covered here. One of the fun parts of owning a computer is, of course, access to the internet. The worldwide web is chock full of useful information, readily available at your fingertips! It is also home to potentially lethal viruses, many of which can wreak havoc on your system within moments. The following four programs can help you avoid trouble; best of all they are absolutely free. <b>Firefox</b>...