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How to Set Up a Proxy for Windows Update to Avoid Errors - Fix Windows Defender Not Working in Windows 10/11-How to Resolve Security Service Unavailable Error in Windows 11

2026-06-13 14:29:21windows-fixes
How to Set Up a Proxy for Windows Update to Avoid Errors - Fix Windows Defender Not Working in Windows 10/11-How to Resolve Security Service Unavailable Error in Windows 11

Final checklist

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