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Window 10 upgrade from 1903 to 1909 hangs and fails with code 0x800F08
My computer:
HP Compaq Elite 8300 SFF
10 GB of RAM
Windows 10 Pro 64 bits 1903 (build 18362.476)
Before upgrading I ran sfc /scannow which didn't find anything wrong.
Shortly after the reboot I see the Windows logo and the dots are circling, but after a short time the system hangs completely.
After 2 consecutive hard power offs, Windows comes up with repair and boots the system, telling me that the upgrade has failed with code 0x800F0845.
I did an extensive search on the net to no avail.
Apparently Microsoft is aware of this error and a handfull of other errors, but has no solutions yet.
For now I switched updates completely off to avoid trouble.
Any ideas?