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GitHub Actions Workflow Fails With No Error Message - Windows Security 502 Bad Gateway Fix Guide-Outlook Exchange Sync Failures Post-Restore

2026-06-14 03:29:49windows-fixes
GitHub Actions Workflow Fails With No Error Message - Windows Security 502 Bad Gateway Fix Guide-Outlook Exchange Sync Failures Post-Restore

Final checklist

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