What is an anti-spyware program?

There are many different types of anti-spyware programs, each with their own strong points. The main purpose of an anti-spyware program is to detect and remove spyware as well as adware. Some programs that are not free, such as Ewido, have higher detection rates than their free counterparts, although a combination of free anti-spyware programs will do just as good a job. The main thing to be careful of when choosing anti-spyware programs are a class of programs known as rogue anti-spyware.