Fix Docker Run Exit Code 1: Command Not Found - Chrome ERR_TUNNEL_CONNECTION_FAILED Fix Guide-Windows Security DNS Permission Denied Fix

Updated 2026-06-16 05:55:18browser-issues
Fix Docker Run Exit Code 1: Command Not Found - Chrome ERR_TUNNEL_CONNECTION_FAILED Fix Guide-Windows Security DNS Permission Denied Fix
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.