What is this file that exists in the root HD directory?
I keep trashing it and it comes right back. Just curious.
Samsung j1 ace
Sorry for the delayed response.
Could you try updating Mac OS to the latest version and check if that helps as the same has worked for the user on this thread: Re: com.adobe.acrobat.rna.AcroCefBrowserLock.DC
Let us know if you need any help.