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Fix 'Port Already Allocated' Error in VS Code - Fix Chrome 502 Bad Gateway on Windows: Step-by-Step-Resolve 'PowerShell Not Recognized' Path Issue

Updated 2026-06-13 23:16:48developer-tools
Fix 'Port Already Allocated' Error in VS Code - Fix Chrome 502 Bad Gateway on Windows: Step-by-Step-Resolve 'PowerShell Not Recognized' Path Issue
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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