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Home / developer-tools / Fix PowerShell 504 Gateway Timeout When Calling REST API - How to Remove SSH Host Keys from known_hosts File-Why Won't VS Code Terminal Open? Quick Solutions

Fix PowerShell 504 Gateway Timeout When Calling REST API - How to Remove SSH Host Keys from known_hosts File-Why Won't VS Code Terminal Open? Quick Solutions

2026-06-14 14:48:44developer-tools
Fix PowerShell 504 Gateway Timeout When Calling REST API - How to Remove SSH Host Keys from known_hosts File-Why Won't VS Code Terminal Open? Quick Solutions

Final checklist

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