Windows Update 0x80070643 - .NET Framework Corruption

When updating SQL security, error 0x80070643. What I've done so far: DISM and SFC .NET Framework Repair tools Windows built-in update troubleshooter Rename SoftwareDistribution Clear/Reset Catroot2 Reset Windows Update components manually per Windows Update - Additional resources - Windows Deployment | Microsoft Docs Reinstalled .NET Framework Rebooted in safe mode with networking No change at this point. Any ideas? Please do not say DISM and SFC. This is not an issue where slapping a manual install is the point. This is an attempt to fully resolve, not Band-Aid the problem and allow it to fes

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