Hello,
I have an UR12 with driver version 1.9.8 and am using this with my mid-2012 MacBook Pro running 10.12, and when I unplug the interface from my computer, the laptop crashes and uncontrolled restarts.
So I do not always keep my US12 connected to my laptop until I am doing some editing, and plug the UR12 directly into my laptop (not through USB buh), and am not having any problems until I unplug the USB cable from the computer. Once I unplug this, the computer will immediately restart.
I just wanted to see if anyone else was having this sort of problem.