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WU_E_METADATA_INVALID_PARAMETER
WU_E_METADATA_INVALID_PARAMETER means the metadata-verification operation was invoked with an invalid value. The code identifies a verification-stage API or configuration problem, but the useful root-cause detail is normally in the earlier log entry.
Useful diagnostic steps
- Capture the full scan sequence and identify the operation immediately before this HRESULT.
- Check whether the issue occurs only with a particular update service, scan package, or third-party catalog.
- If the same failure happens after a clean scan, validate the update source and client servicing level rather than changing unrelated network settings.
Microsoft: Windows Update log files
Microsoft: Windows Update error reference
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