A lot of people are having misconceptions about the nature and functions of an anti spyware firewall software to remove spyware. First of all, there are several manufacturers out there that claim to have the best product but a large number of them are really not that effective as they claim to be because they can only block those that are relatively weak and feeble. However, one of the things that you should really avoid is those fake programs and there are quite a number of them. If you are going to make a quick survey, you will notice that some of them have over-the-top and super creative brand names and a lot of them claim to have the best features when they cannot even block a single malware. Some of them may even look legitimate and very credible because they try to imitate the features of the legal ones. And if you are one of those unfortunate people who have purchased one of these fake products, then your personal computer is even at greater risk because your system has been welcoming each and every program that enters.