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Troubleshoot 504 Gateway Timeout in Windows Security App - Fix Microsoft Store Token Expired Error on Windows 11-Windows Update Hangs at 100% Fix

2026-06-13 15:29:21developer-tools
Troubleshoot 504 Gateway Timeout in Windows Security App - Fix Microsoft Store Token Expired Error on Windows 11-Windows Update Hangs at 100% Fix

Final checklist

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