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Firefox Secure Connection Failed Only on WiFi: Fixes - VS Code C++ IntelliSense Not Working Fix-How to Enable Defender Real-Time Protection After Clean Boot

Updated 2026-07-28 12:28:43browser-issues
Firefox Secure Connection Failed Only on WiFi: Fixes - VS Code C++ IntelliSense Not Working Fix-How to Enable Defender Real-Time Protection After Clean Boot
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.