I ran chkdsk. It ran for somewhere between 4 and 8 hours but I can't find a log for it.
I was able to get sfg to complete by running "Dism /Online /Cleanup-Image /RestoreHealth" first. After a few more reboots and runs of sfg, I'm getting
C:\WINDOWS\system32>sfc /scannow
Beginning system...
The system file scan is finding problems:
C:\WINDOWS\system32>sfc /scannow
Beginning system scan. This process will take some time.
Beginning verification phase of system scan.
Verification 45% complete.
Windows Resource Protection found corrupt files but was unable to fix some
of them...
> You boot into the advanced boot options to disable driver signing then reboot.
Correct.
> You then install the driver which does so 'silently' to use your term
And then test the device, which works normally.
> and then reboot again and it's this point you get the error message?
Correct...
No, no, no. That's not what I said at all. Everything works fine when driver signing is disabled.
Let me repeat that: everything works fine when driver signing is disabled.
AFTER REBOOTING windows won't allow the driver to work anymore.
Let me repeat that: Windows doesn't remember the driver...
That is one of the pages I looked at while trying to solve this issue. In fact, I posted a comment on that exact page about this same problem.
Everything works as indicated on that page until "Windows will alert you if you try to install a driver that isn’t properly signed, but you’ll see an...
I'm getting the message "Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)" for a...