If you've opened and looked at the screenshot link I provided in my previous post, then you know as much as I do...

Oh, also:

Samsung driver not digitally signed error that began at same time - Imgur: The most awesome images on the Internet

Added to my OP.

No, it's called trial and error :)

If you look at the links i've provided in the past few posts (and original post) i'm sure you would agree it must be something reasonably common.

And besides everything at Google i've also got it confirmed at Widespread AHCI issues in Samsung Magician since Win10 anniversary update - Guru3D.com Forums

Also see [SSD] Magician doesnt detect...

Hmm, probably too hard but would be interesting to know the reason you're not experiencing the issue, as it would help figure out why, unlike you, many are affected: Google

Do you run a UEFI-type BIOS? Is secure boot enabled or disabled?

Widespread bug FYI - https://forums.whirlpool.net.au/forum-replies.cfm?t=2556634 - see UPDATE paragraph at bottom!


Just after I updated my Asus laptop from Windows 10 1511 to Windows 10 1607 (1...