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Fix Windows Terminal 'Cannot Connect to Localhost: Permission Denied' - Fix Chrome Profile Not Loading Due to 504 Error-How to Break the Windows Activation Restart Loop

Updated 2026-06-14 20:31:31office-tools
Fix Windows Terminal 'Cannot Connect to Localhost: Permission Denied' - Fix Chrome Profile Not Loading Due to 504 Error-How to Break the Windows Activation Restart Loop
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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