Spyware and Malware (Anti-virus)
Installing anti-virus and anti-malware software on your computer is like preventative medicine; it will keep your computer healthy and guard against future outbreaks. Without this protection, spyware and malware programs can monitor the ways in which you use your computer. They track which websites you browse, collect information about you, and can even change the way your computer behaves, potentially redirecting web pages to advertisements; or slowing down your surfing speed.
Here is a list of recommended spyware & malware software removal programs: