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Fix Python Venv Not Activating in PowerShell - Windows Defender Real-Time Protection Stuck Off-How to Restore Windows Security App in Windows 10/11

Updated 2026-07-28 06:16:52developer-tools
Fix Python Venv Not Activating in PowerShell - Windows Defender Real-Time Protection Stuck Off-How to Restore Windows Security App in Windows 10/11
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.