New
#61
Damn, I got really excited for a second... Didn't work for me.
I did a clean install of 1709 on my laptop, then I performed Andre's fix on an elevated PowerShell window, restarted, then I ran the 1809 setup.exe directly from the ISO (via mounting).
I got a blue screen with the infamous IRQL NOT LESS OR EQUAL error after the first restart of the upgrade. When the PC restarted, it opened up the setup.exe and it showed our usual SAFE_OS error.
OMG, I ran it from Windows Update. I guess it depends what you are doing, a full install or an update.
Good luck ;-)