Windows Terminal Auto Start Troubleshoot Checklist - Jupyter Notebook Token Not Working: Localhost Troubleshooting-Resolving Outlook 504 Gateway Timeout: Proxy and Firewall Steps

Updated 2026-06-14 18:32:55security-tools
Windows Terminal Auto Start Troubleshoot Checklist - Jupyter Notebook Token Not Working: Localhost Troubleshooting-Resolving Outlook 504 Gateway Timeout: Proxy and Firewall Steps
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.