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WU_E_DS_MISSINGDATA
WU_E_DS_MISSINGDATA means a required piece of update-store information was absent or a field that must contain a value was empty. It generally points to incomplete or inconsistent metadata in the local store.
What to check
- Look for previous download, synchronization, schema, or interruption errors in
WindowsUpdate.log. - Identify whether the failure is tied to one service or update, which helps distinguish a local record problem from wider store damage.
- For recurring servicing failures, inspect CBS logs as well before attempting repair actions.
Microsoft: Windows Update log files
Microsoft: Fix Windows Update corruptions and installation failures
Microsoft: Windows Update error reference
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