Destroy System Monitor Keyloggers - Version 4.1.59 Destroy System Monitor Keyloggers actively monitors which programs are running on your computer. If it sees a spyware or adware program trying to start, it will stop it dead in it's tracks. Destroy System Monitor Keyloggers prevents any program from changing your Internet Explorer Home Page without your permission: which means that spyware authors can't direct you to their own websites where they can infect you with even more malicious programs.