[starsweeper]

I always get this same error too! And now a new one of error 720. I've tried 6 processors, 90%CPU, 4 processors. 85% CPU... a number of combinations that everyone has recommended.
I even just bought the new Macintosh 12 core, thinking this would take care of the issue. Very Frustrated! Fruity Loops works better! At this point I would never refer someone to use Pro Tools.

Here are my Computer specs.
Model Name: Mac Pro
Model Identifier: MacPro5,1
Processor Name: 6-Core Intel Xeon
Processor Speed: 2.4 GHz
Number of Processors: 2
Total Number of Cores: 12
L2 Cache (per Core): 256 KB
L3 Cache (per Processor): 12 MB
Memory: 12 GB
Processor Interconnect Speed: 5.86 GT/s
Boot ROM Version: MP51.007F.B03
SMC Version (system): 1.39f11
SMC Version (processor tray): 1.39f11
Serial Number (system):
Serial Number (processor tray):
Hardware UUID:

Using Pro Tools 10.3.2

oh and...... no other applications running