Correct, I can only run it on my desktop running El Capitan

Ok, after using the demo for a few weeks I decide to plunge and pay for the upgrade. Now I'm getting constant crashes again. I mean constant as in EVERY time I try to play back with human playback....

Thanks everyone! Realizing I am the only one here with these problems I went through some significant trouble shooting. In 14.5 no matter how many times I redid a document from scratch there seemed...

Hoping this version would solve playback issues of 14.5, I'm disappointed. It crashes just as much as the previous version, meaning EVERY time I attempt to use human playback! Yes, I've spent weeks...

Thanks for your replies. Yes I checked the stats on much larger files where I don't get that warning. I start my files from scratch and copy entries from older files into the new files, only copying...