@RichHarrow, I recently had two Windows10 updates (KB4033637, KB4041691) that repeatedly failed with error 0x8007000D. Numerous attempts at running the Windows Update Troubleshooter and various scripts to reset things were not successful. I downloaded the updates manually and installed them successfully, but Windows Update tried to re-install them.
I ended up downloading the latest Windows 10 installation media from https://www.microsoft.com/en-ca/software-download/windows10. Running 'setup.exe' gave me the option of reinstalling Windows while retaining all personalization, data, and apps. The process took a few hours but successfully upgraded the laptop to the Fall Creators version. Subsequent Windows Updates have been successful. So far, I have only run into a few minor issues that I have been able to correct.
Regards. Norbert