If KB4015438 failed to install on my system but KB4015217 was successfully installed and winver shows I'm at Version 1607 (OS Build 14393.1066) am I ok?

EDIT: Thanks to Bree who answered in the...

If KB4015438 failed to install on my system but KB4015217 was successfully installed and winver shows I'm at Version 1607 (OS Build 14393.1066) am I ok?

Thanks for this explanation, very helpful.

Can you also please advise on how WUMT interacts with the Windows device driver installation setting?

IE Device Driver Automatic Installation - Turn...

I accidentally got the Passmark commercial (free) version of MemTest86 v6 for my tests.

Will a run of that version for 8 consecutive passes with no errors be acceptable in these forums to rule out...

I am seeing a similar black flashing screen problem on a Lenovo Thinkpad X1 3rd gen 20BSCT01WW.

This seems to have started after the Win 10 Threshold 2 update. My problem is so far limited to my...