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WU_E_NOT_INITIALIZED
WU_E_NOT_INITIALIZED means that a Windows Update Agent object could not be initialized for the requested operation. The error describes object setup or availability, not the applicability of a particular update.
What to check
- Create the WUA session and the required search, download, or installer object before using it.
- Inspect the first failure in the call sequence; later methods can fail only because initialization did not complete.
- Recreate the affected WUA objects after service recovery or agent self-update.
Microsoft: Windows Update Agent API
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