zhizhu
Home / developer-tools / Fix Windows Defender 'Cannot Connect, Permission Denied' Error - Troubleshooting Windows Defender 0x8007042c Network Error-Change PowerShell Execution Policy to Run Scripts

Fix Windows Defender 'Cannot Connect, Permission Denied' Error - Troubleshooting Windows Defender 0x8007042c Network Error-Change PowerShell Execution Policy to Run Scripts

Updated 2026-06-13 18:32:24developer-tools
Fix Windows Defender 'Cannot Connect, Permission Denied' Error - Troubleshooting Windows Defender 0x8007042c Network Error-Change PowerShell Execution Policy to Run Scripts
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.