Photopresenter and Aperture

I am trying to use Aperture as a source, however, it seems to find an old version of Aperture in that it gives me list of old projects that no longer exist. I have tried to point it at another Aperture library without success. What can I do about this?

Please try this: Make sure PhotoPresenter & Aperture is closed. Now press and hold option & CMD on your keyboard while clicking the Aperture Icon in the Dock. Keep holding the keys until a small window appears. Now select “Repair Database” and let the helper do its thing. After that, quit Aperture and wait until it has done everything it needs to do. Then try opening PhotoPresenter again.