Upgrade altered a functional Aftereffects to one that says "
Last log message was: <140735187432192> <GPUManager> <2> Sniffer Result Code: 7
Generating crash log, which may take a few minutes."
Running on OS X Yosemite
2.5 GHz Intel Core i7
16 GB 1600 MHz DDR3
NVIDIA GeForce GT 750M 2048 MB