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WU_E_DS_CANNOTREGISTER
WU_E_DS_CANNOTREGISTER means the data-store component was not allowed to register with COM in the current process. This is normally relevant to software using the Windows Update API rather than to a standard Settings-based update check.
For developers and administrators
- Verify the process context, COM initialization model, and whether the caller is attempting to host Windows Update components in an unsupported environment.
- Run the operation through the supported Windows Update client or service context where possible.
- Capture the exact API call and any earlier COM or access-related HRESULTs.
Microsoft: Windows Update error reference
Microsoft: Windows Update log files
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