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#1
Windows 10 upgrade fails after first restart
So I used Upgrade Assistant tool to upgrade my Windows 10 Anniversary copy to Creators Update.
As soon as copying files is done, the computer restarts as usual.
But there's something uncommon, my computer did not boot and entered straight to BIOS screen.
I found out that somehow my boot drive list is disabled, I don't know why it's happened.
So I manually picked my system drive to the list, and it boots.
Soon thereafter, the setup said it has failed and "Reverting to my previous version of Windows".
So here I am stuck in Anniversary Update.
This is actually not the first time it happened, it was also happening when I tried to upgrade within the Windows (by clicking SETUP.EXE file).
So I suppose the setup should've been in another partition/disk so it can continues? Or it should be in boot mode? Why even Windows has upgrade process from within the system then?