Aperture 3.4 will not open on OS 10.8.2

Question

I have had multiple attempts failed, which are followed by a warning message to repair the library.
After clicking to repair library it does so successfully and then tries to reopen Apreture, which proceeds
to fail and the cycle starts over again.  What may be causing this/ How do i go about fixing it?

Answer 1

Ok I had the same issue. I had to delete aperture.app from my applications folder, which doesn't delete your library it is a separate file.
Then I reinstalled from my disk (aperture 3.0), when I tried to open it told me my library could not be used because it was from a newer version of aperture. And the app would close.
I then moved my aperture library from my pictures folder to my desktop and reopened aperture, which will open up a new library with nothing in it.
Go ahead and update aperture now, I suggest doing it with nothing else running, as I believe this problem has been caused by not getting a Clean install while updating.
Close aperture and move the aperture library file back from the desktop to the pictures folder and overwrite the existing on, that was created when you opened aperture.
Then I opened aperture again and everything is back to normal.
I suggest a backup before just in case something happens. And hope this helps