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Home / setup-checklists / Fixing Postman Request Timeout and Connection Refused Errors - How to Fix 502 Bad Gateway on Windows Update-GKE kubectl apply Forbidden Error Fix

Fixing Postman Request Timeout and Connection Refused Errors - How to Fix 502 Bad Gateway on Windows Update-GKE kubectl apply Forbidden Error Fix

2026-06-13 12:42:29setup-checklists
Fixing Postman Request Timeout and Connection Refused Errors - How to Fix 502 Bad Gateway on Windows Update-GKE kubectl apply Forbidden Error 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.