Sorry you're having difficulty. Try uninstalling using the CC Cleaner tool and then reinstall. I hope that works for you.
Well, after a complete uninstall and clean of all CC suite products I had installed, I re-installed only Premier Pro and get the exact same problem...
Please see if the advice here helps: http://premierepro.wikia.com/wiki/Error:DirectoryRegistry.cpp-283
Also, do you have a Documents folder at the standard location and does it contain the Adobe/Premiere Pro folder: /Users/<USERNAME>/Documents/Adobe/Premiere Pro. If so, is Premiere installed on the same partition as this Documents folder?
Tried deleting Pp's Prefs? Hold down shift key when launching Premier... then again, these days, that's almost never the problem.