Further to the discussion about changing how the update works, and why a VM won't necessarily replicate what happened:
Quote:
Just came home this evening to find three of my Windows 7 computers had reverted to "Windows Update OS upgrades enabled" mode in GWX Control Panel. This means that Windows either changed or deleted registry settings that GWX Control Panel had earlier put in place... and I THINK I found the culprit: One of the updates that these computers installed today is KB3083710, which is a client update for Windows Update itself. It may be that Microsoft wasn't intentionally/explicitly wiping out settings related to the Win 10 download, and really they were just wiping ALL Windows Update settings as part of this patch.
It's possible that KB 3083710 (for Windows 7) or KB 3083711 (for Windows 8.1) wiped out that registry setting.
On some PCs, KB 3083710 and KB 3083711 were changed on Tuesday, with their status going from optional-and-unchecked to important-and-checked. That may account for the registry change on Wednesday (Windows Update changes to the registry only "take" upon restart).
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http://www.infoworld.com/article/299...-in-force.html
The fact that stuff like this:
https://www.reddit.com/r/windows/com...ain_computers/
and this:
https://www.reddit.com/r/technology/...ng_reported_as
even exist is testament to how badly MS has bungled this.
Changing registry settings, blocking ever changing update KB numbers etc...it's a game of whack-a-mole that could have been avoided if MS respected user choice.