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Fix 504 Gateway Timeout with Windows Security Firewall - How to Fix Permission Denied Error in VS Code Terminal on Windows 10-slui.exe High CPU Fix for Windows Activation

2026-06-13 15:26:09developer-tools
Fix 504 Gateway Timeout with Windows Security Firewall - How to Fix Permission Denied Error in VS Code Terminal on Windows 10-slui.exe High CPU Fix for Windows Activation

Final checklist

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