Event ID 41. Random restarts, Bugcheckcode = 0, Black screen

Jan 9, 2019
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Event ID 41, Bug check code = 0, Time stamp = some number other then 0.
PC build;

PSU: EVGA 550 GQ, Gold80+ 550W PSU
CPU: Intel i5 - 4670k 3.4GHZ (4thgen?)
Motherboard: Asus Z97 Pro Gamer LG1150 ATX
RAM: 16GB G.Skill Ripjaws X series DDR3 1600
GPU: Gigabyte Nvidia GTX 1060 3GB

I have since removed the Graphics card and my PC does not seem to be restarting. Is this a fault with my GPU or the power supply unit?