Like this are the result of 'Scareware' produced by the fake Optimisation Utility (Advanced Ad Cleaner) and clicking the 'install now' button will probably result in even more problems. This led me to a little web searching and I eventually found this artical Getting back to the topic I later decided the OP must be referring to Advanced Ad Cleaner. I suggest it is applications like MacKeeper and now Mac Adware Cleaner and Advanced Mac Cleaner that give these type of apps a bad name so the view, held by many on this forum, that it is better to avoid them all is not such a bad idea. I will say in it's defence that the developers, MacPaw are a reputable company and this app has never caused a problem for either my wife or I. I will not bother to justify my use of this app, suffice to say I installed the first version several years ago, before becoming a regular member of these forums and didn't know any better. Expensive too, at AU $39.00 it bore a surprising resemblance to another app which I admit to using myself, CleanMyMac. Initially I was confused the first OP seemed to be referring to what at first sight appeared to be, an albeit unnecessary, application called Mac Adware Cleaner.
I now begin to understand some of the references in this post
