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Fix Windows Defender 504 Gateway Timeout Configuration Error - Troubleshooting Git SSL Certificate Issues macOS-Windows Update 502 Error: Firewall and Proxy Troubleshooting

2026-06-13 14:32:24browser-issues
Fix Windows Defender 504 Gateway Timeout Configuration Error - Troubleshooting Git SSL Certificate Issues macOS-Windows Update 502 Error: Firewall and Proxy Troubleshooting

Final checklist

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