Jay Daly commented,
Yes, thank you Mike. I began to read about the incompatibilities with the this OS. I downloaded the free 30 day new version 25 and it works fine.
Jay Daly created a post,
I click on the green arrow in the playback controls and it crashes the program. Also, I used to hear the pitch sound as I input each note. Now I hear nothing. This is version 2012 on a Mac...