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Fix Firefox Secure Connection Failed After Update - Enable Windows Defender Real-Time Protection via CMD-Chrome Black Screen on External Monitor Fix

Updated 2026-07-28 16:03:50browser-issues
Fix Firefox Secure Connection Failed After Update - Enable Windows Defender Real-Time Protection via CMD-Chrome Black Screen on External Monitor Fix
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.