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Fix PowerShell Execution Policy Errors: Permission Denied - How to Resolve 502 Gateway Error in Windows Security-Fixing Node Version Mismatch When Running Create React App

2026-06-13 15:23:39developer-tools
Fix PowerShell Execution Policy Errors: Permission Denied - How to Resolve 502 Gateway Error in Windows Security-Fixing Node Version Mismatch When Running Create React App

Final checklist

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