I have removed SpeedZooka and have asked for a refund that they are giving me. I have downloaded the free CCleaner that works fine and is not treated as a Virus threat. I know that the experts say that registry cleaning will not improve the speed of one's PC. (Certainly with a fast i7 processor a few less lines in the registry is neglible). But often a registry cleaner like CCleaner will allow you to clean out all the temporary/junk files left by browsers, installers etc... Also I have found that when I have deleted an application called lets say 'fred' and then look in my registry there a