Mixer Spyware Killers - Version 2.2.29 Mixer Spyware Killers prevents spyware infection from getting onto your PC and removes any existing spyware. Also included is Mixer Spyware Killers's award-winning Firewall which stops spyware from running. Simple to install and run, its intuitive interface tailors the program to meet your needs. Includes Anti-spyware, Spy Site Blocking, Operating System Firewall, Network and Program Firewall.