Hi, this is the exact problem I have been having. Maya 2018.4 has crashed multiple times since updating to 2018.4 It's driving me to distraction. I have tried so many things to fix this to no avail.
When rotating a controller , scrubbing the timeline, moving a polygon around Maya, or sometimes even just moving the camera Maya will either a) just hang and disappear, b) hang and have to be shut down from the task manager, or c) send up a coding error undo of command, set attr caused by re-entrant call to undo manager manager, and have a long string of code a stack error displayed in the outliner.
I started keeping a track of when these crashes occurred, what I was doing, and any information that I had on hand and have included it in the text file I will upload with the crash reports.
I deleted everything except my rig from my scene, which is referenced in. (It's the Kyle Rig from Josh Sobel if that matters)
I have optimised my scene, deleting unused nodes etc, I have tried importing into a fresh scene, I have tried not referencing and having it all in one scene.
I have set my file preference to OS native, gone with the DirectX11 rendering engine, switched from Parallel Evaluation mode to DG, and still, it crashes, usually, around every 20, 30 minutes if I save often and have luck on my side.
Last night I did a clean uninstall/reinstall and the first thing it did after updating was crash, I hadn't even started to animate anything.
Next, I'm going to figure out how to roll back to 2018.2 without taking HOURS to uninstall again and hope that I can get the rest of animation done BEFORE the end of my degree (which is supposed to be finished by the 23rd!)
If someone, anyone could reply to this and offer me some hope I would be ever so grateful. I can attach my scene file too if that helps, just let me know.
Below is the last crash report that was sent, I lost track of how many I have sent over the last few days. It was in the 10's.
CER_181684859