- Official Post
2016 (even 2012 / 2019 possibly also on newer editions)
Sometimes it can happen that a key entry is corrupt and you can't activate your
Windows
So the only option is an elevated Powershell, like so often...
Remove the current key with:
Install the new key (even if identical to the already installed one)
It may take now 2-3 minutes until your installation is activated!