Fix 'Access Denied' When Running PowerShell Scripts - Chrome ERR_TUNNEL_CONNECTION_FAILED Windows 10 Troubleshooting-Offline Remote Desktop Setup Guide

Updated 2026-06-15 18:37:37backup-recovery
Fix 'Access Denied' When Running PowerShell Scripts - Chrome ERR_TUNNEL_CONNECTION_FAILED Windows 10 Troubleshooting-Offline Remote Desktop Setup Guide
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.