Hard Crash compiling shaders in Steam

After installing the new 535.54.03 I had the first hard lockup in the 3 year history of my current machine.
I have enclosed the full kernel error.

Any advice? It could be a massive coincidence but there are a lot of references to “_nv” in the dump
error (13.5 KB)

Can anyone from Nvidia offer assistance or further troubleshooting steps?

Steam windows wont even display for me on the new drivers

Same again
error2 (8.9 KB)