Win8.1 updates failing for months

I just noticed that nearly all of my Windows updates have been failing since 4/17/2022: Just a few exceptions succeeded: I tried following the suggestions at: https://www.800error.com/KB2962409-windows-update-error-knowledge-kb-ms-security-fail Stopping the Windows Update service and clearing C:\Windows\SoftwareDistribution\DataStore (then restarting the service, of course) didn't help When I tried running C:\Windows\system32 sfc/scannow I got this message: Beginning system scan. This process will take some time. Windows Resource Protection could not perform the requested operation. I looked a

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