Windows 11 24H2 update always fails & rolls back to the previous version automatically - why?

[Windows 11]

How do I get it to successfully update? After the latest failure, I ran the SetupDiag.exe and looked at the results with my amateur eyes, but it seemed to relate to the failed roll-back, not the original update failure. Should I paste the text here? It doesn't include any sensitive identifiers right?

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