Windows Update Failed with “Something Went Wrong” (KB5089549 / build 26200.8457)
A failed Windows update looked mysterious, but the real cause was simple: the App Readiness service had been disabled, breaking the AppX registration phase.
by fabio · Published 17 May 2026
A failed Windows update looked mysterious, but the real cause was simple: the App Readiness service had been disabled, breaking the AppX registration phase.
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