delete unwanted apps

Download and run the free Malwarebytes. Malwarebytes was developed by one of our own colleagues here in ASC and is about the most proven anti-malware software for Mac.

Malwarebytes will detect MacKeeper as PUP (Potentially Unwanted Program) and will remove the app and all of its components. 

Some you cannot, like most Apple Apps, some require an un-installer, which exact Apps are they?

If necessary after running Malwarebytes.

MacKeeper Removal

MacKeeper Removal