What does HRESULT 0x8024200B (WU_E_UH_INSTALLERFAILURE) mean?

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Description:

The installer itself failed while installing or uninstalling one or more updates.

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WU_E_UH_CANREQUIREINPUT	WU_E_UH_FALLBACKTOSELFCONTAINED

WU_E_UH_INSTALLERFAILURE

WU_E_UH_INSTALLERFAILURE is a generic install-stage failure from the update handler. The useful evidence is usually in the earlier log entries that show the package, installer type, and the underlying component error.

Where to look

Generate WindowsUpdate.log and capture the update identity and inner HRESULTs that appear before this code.
For component-based packages, inspect CBS.log; for application or AppX packages, inspect the related deployment logs.
Check disk space, pending reboot state, and any prerequisite servicing stack or cumulative update requirements.

Microsoft: Fix Windows Update corruptions and installation failures

Microsoft: Windows Update log files

Microsoft: Windows Update error reference

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