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Fix Windows Defender Real-Time Protection Not Turning On After Update - Resolve 'python' Not Recognized Error Windows 10-How to Enable Windows Defender Real-Time Protection via Registry

Updated 2026-07-28 11:20:32developer-tools
Fix Windows Defender Real-Time Protection Not Turning On After Update - Resolve 'python' Not Recognized Error Windows 10-How to Enable Windows Defender Real-Time Protection via Registry
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.