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Fix 'Access Denied' When Running PowerShell Scripts - How to Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome Due to Antivirus-Remote Desktop Configuration Error Troubleshooting Checklist

2026-06-17 20:03:09
Fix 'Access Denied' When Running PowerShell Scripts - How to Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome Due to Antivirus-Remote Desktop Configuration Error Troubleshooting Checklist

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.