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Microsoft Windows Update 0x800F081F failure on Windows 11 24H2

Service Disruption
First reported
Last updated
Happening score
H score 1
1 unique sources, 1 articles

Summary

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Microsoft resolved a Windows Update failure that triggered 0x800F081F errors on Windows 11 24H2, restoring update delivery for affected devices. The issue hit systems that had installed KB5050094 and later cumulative updates. Microsoft linked the failures to missing language packs and feature payloads created by ACR/MCR cleanup processes. It released KB5067036 as the fix and provided an in-place upgrade workaround for administrators who could not install the optional update immediately.

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Timeline

  1. 29.10.2025 16:32 1 articles · 8mo ago

    Microsoft acknowledges Windows Update failures on Windows 11 24H2

    Initial Disclosure

    Microsoft acknowledged a Windows Update issue affecting Windows 11 24H2 devices that had installed KB5050094 January 2025 preview cumulative update and later updates. The failure could surface as 0x800F081F (CBS_E_SOURCE_MISSING) when missing language packs and feature payloads from ACR (Automatic Component Repair) and MCR (Manual Component Repair) cleanup processes blocked cumulative updates.

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  2. 29.10.2025 16:32 2 articles · 8mo ago

    Microsoft ships KB5067036 to fix Windows Update failures on Windows 11 24H2

    Mitigation Patch Update

    Microsoft resolved the Windows Update failure on Windows 11 24H2 by releasing KB5067036 October 2025 preview update, restoring cumulative update installation for affected devices. For administrators who could not install the optional update immediately, Microsoft also advised an In-Place Upgrade using Windows installation media or the Windows Settings repair flow to reinstall missing components while keeping files, apps, and settings intact.

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