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WU_E_SETUP_INVALID_REGISTRY_DATA
WU_E_SETUP_INVALID_REGISTRY_DATA means the Windows Update Agent setup path found registry information that it could not use. The invalid entry may be a symptom of an interrupted or damaged servicing configuration.
What to do
- Use the update and servicing logs to identify which setup stage rejected the registry data.
- Check whether an earlier failed setup, image customization, or system rollback preceded the issue.
- Do not delete or edit Windows Update registry keys blindly; repair should be guided by the specific configuration error.
Microsoft: Windows Update log files
Microsoft: Servicing stack updates
Microsoft: Windows Update error reference
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