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Fix Windows Security Proxy Sync Issue - How to Get Screen Sharing Working in Microsoft Teams on Ubuntu-Fix 'Windows Security Cannot Connect to Microsoft Defender' Error

Updated 2026-06-15 03:01:33macos-help
Fix Windows Security Proxy Sync Issue - How to Get Screen Sharing Working in Microsoft Teams on Ubuntu-Fix 'Windows Security Cannot Connect to Microsoft Defender' Error
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.