My apologies for wasting your time. I chalk it up to this Windows 10 PC simply being that far gone and corrupt. Could I have done anything else to grab better dump files?

I'm doing a reset as I...

45942

Correct, I set the association in Step 2. Would be interesting to see if you can check it out.

Ah, I overlooked that! Several are 0 bytes. :(

I finally found a recent one clocked in at 276 KB in size. This time I got a different error:
WinDbg: 10.0.10240.9 AMD64
Could not find the <path>...

I'm getting this error when trying to view a Windows 10 crash dump file:

Failure when opening dump file <path>, NTSTATUS 0xC000011E
It may be corrupt or in a format not understood by the...