This article on macnn.com verifies what I’ve been telling people for a while. The MacKeeper is really no good for your Mac, avoid it at all costs.
If you have accidentally installed MacKeeper on your Mac, here are instructions on the complete removal of the software.
The removal instructions: how to uninstall MacKeeper – updated
If you need help removing MacKeeper, please contact me and I’ll see what I can do for you.