SecureBoot Causes Windows 10 Problem 10586 Pro

Had a damn near heart attack and did some much put off maintenance on my system today. Last night it failed to boot and I was at a complete loss as to why. I had added in an M.2 onboard PCIEx drive (256 on a chip instead of in an SSD SATA drive) a while back for my foray into Windows 10 — really just needed an excuse to get something newer and faster. I’ve hit my SATA drive limit for the board since the very beginning, and having one less dedicated to an active drive was a nice thought.…