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Fix Windows Update Authentication Failed Error - Resolve BitLocker Proxy Certificate Errors-How to Resolve Windows Defender Service Dependency Problems

2026-06-13 23:23:34windows-fixes
Fix Windows Update Authentication Failed Error - Resolve BitLocker Proxy Certificate Errors-How to Resolve Windows Defender Service Dependency Problems

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.