When you go online to perform an antivirus software comparison, make sure that you only download software’s from trusted web sites. I don’t know how many times I downloaded some of the programs to test them before writing these articles that I’ve come up with problems and even viruses on my system. Some of the trusted programs include Norton, McAfee, Panda, and AVG. You can ensure that you are getting programs that do not come with attached infectious viruses when you download these programs onto your hard drive. It is smart to perform an antivirus software comparison before you purchase an antivirus program. When you compare the programs you can determine what features work best for you. It makes sense to try some of the programs free while conducting your antivirus software comparison. It only takes a few minutes of your time to download and try some of the top quality programs, such as AVG. With each program you get different pricing and features, as well as tools to compare. Try the antivirus software comparison programs that offer you the most tools and features to help keep viruses from attacking your system. Some other programs to consider are BitDefender, AVAST, Kaspersky, AOL Active Virus Shield and so forth.