Re: CPU usage error?! System usage 2%...
Welcome to the community.
I recommend that you use the PT Prefs Helper for PT-specific system maintenance. I also find that repairing disk permissions on the system drive (volume) with Disk Utility helps.
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Studio rig - Pro Tools|HDX 2018.7 | Logic Pro X.4.2 | Avid HD I/O (8x8x8) | 6-core 3.33 Westmere w/24GB RAM | OS 10.12.3 | D-Command ES | Eleven Rack | Vienna Ensemble Pro 5
Mobile rig - Macbook Pro i7 w/16GB RAM | UA Apollo 8p | Pro Tools|HD 2018.3 | Logic Pro X.4.2 | OS 10.12.6
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