Stop V6 CCleaner Pro updating to V7

[nukecad]

Reinstall v6.39 and immediately turn off the automatic updating, see:

How to Roll Back from v7 to v6.39

We now have numerous posts from users dissapointed with the new v7 and asking if/how they can roll back to v6.39. Whilst normally I would say that you should use the latest version that works on your machine I also believe that you should have the choice to roll back from a major feature update. Particularly if/when that update is flawed. So here is how to do it using the official v6.39 installer (so that you don’t have to download a possibly dodgy* v6.## installer from a 3rd party website): …

PS. Using any registry cleaner on a health system is not recommended (unless carefully removing leftovers following an uninstall).
See: Microsoft support policy for the use of registry cleaning utilities - Microsoft Support