>Before, everything played
Before what? What changed? Did you update anything?
I'm Windows, but some saved Mac links that may (or may not) help
next link says After Effects, but check YOUR permissions !!!
-http://blogs.adobe.com/aftereffects/2014/06/permissions-mac-os-start-adobe-applications.ht ml
-Mac 10.9.4 and OpenCL issue https://forums.adobe.com/thread/1514717
-Mac 10.9.3 workaround https://forums.adobe.com/thread/1489922
-more Mac 10.9.3 https://forums.adobe.com/thread/1491469
