HRESULT 0x8024200E (WU_E_UH_NOTIFYFAILURE): meaning and diagnosis

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The handler could not report install or uninstall status back to Windows Update.

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WU_E_UH_NEEDANOTHERDOWNLOAD	WU_E_UH_INCONSISTENT_FILE_NAMES

WU_E_UH_NOTIFYFAILURE

WU_E_UH_NOTIFYFAILURE means the handler completed or partially completed work, but failed while reporting its status back to the Windows Update Agent.

What makes this tricky

The underlying install result may already exist, so verify the actual package state before retrying aggressively.
Check the sequence of status callback messages in WindowsUpdate.log to see whether the failure was during progress, completion, or post-reboot reporting.
If the update appears installed, focus on reconciliation and state reporting rather than download troubleshooting.

Microsoft: Windows Update log files

Microsoft: Windows Update issues troubleshooting

Microsoft: Windows Update error reference

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