Asus X99 Deluxe, 5820k, GTX 770. I had a wonderful Hackintosh Yosemite, used almost 2 years. I'm a freelance Video Editor FCP X is my major software.
Unfortunately I installed Sierra, Boom...fcp x is not working. When I export Apple pro res, its fine but when I try to export H264 its crashes immediately,
Quicktime screen recorder also not working, FCP x, quicktime apps are not quitting the I press cmd+Q every time I have to force quit them.
This is the error,
rocess: Final Cut Pro 
Path: /Applications/Final Cut Pro.app/Contents/MacOS/Final Cut Pro
Version: 10.3.4 (303235)
Build Info: ProEditor-30323005007000000~1
Code Type: X86-64 (Native)
Parent Process: ??? 
Responsible: Final Cut Pro 
User ID: 501
Date/Time: 2017-10-21 02:06:46.761 +0530
OS Version: Mac OS X 10.12.1 (16B2657)
Report Version: 12
Anonymous UUID: 27284012-E4D3-8017-6DC1-D01B01109945