I upgraded to OS X 10.7 and am loving everything about it except for the ability to use Logic Pro 9 (9.0.0).
You can't use this version of the application Logic Pro 9 with this version of Mac OS X
You have Logic Pro 9 9.0.0.
I have been told that I can use the Logic Pro 9.1.4 Update (.dmg) which you can download from Apple Logic Support, although when I try to upgrade my I get this message:
An eligible Logic Pro version was not found in the Applications folder. This update requires Logic Pro version 9.0 or higher.
Wow, this is getting frustrating
PS - For anyone using a Apogee Duet like me, Apogee says on their website that the drivers should be available in August 2011.
Search the forum! You either renamed or moved the Logic Pro application. Make sure it is named "Logic Pro" and located inside the Applications folder and the updater will detect it.