Windows 11’s September update is borked, won’t install for some users

Windows 11 update KB5065426 won't install for some users due to error codes 0x800F0991, 0x800F0922, 0x80071A2D, 0x800F081F, ...
ExtremeTech

New Microsoft Emergency Windows 11 Update Fixes Boot Error After May 2025 Patch

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Bleeping Computer

Microsoft: Recent Windows updates may fail to install via WUSA

Microsoft has mitigated a known issue that caused Windows update failures when installing them from a network share using the Windows Update Standalone Installer (WUSA). WUSA is a built-in ...
Hosted on MSN

How to Fix the 'Service Registration Is Missing or Corrupt' Windows Update Error

Updating Windows is important for keeping your PC safe, secure, and equipped with the best and most modern features. When Windows Update fails with the "Service registration is missing or corrupt" ...