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Fix PowerShell Authentication Failed Credentials Error - How to Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome Due to Antivirus-VS Code Terminal Not Working After Update

Updated 2026-06-15 15:19:28browser-issues
Fix PowerShell Authentication Failed Credentials Error - How to Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome Due to Antivirus-VS Code Terminal Not Working After Update
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.