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Fix Firefox Secure Connection Failed Error (Mozilla) - Fix Edge Sync Not Working Due to Third-Party Antivirus-How to Resolve Edge Sync Error Code 0x80072efd

Updated 2026-07-28 13:48:32macos-help
Fix Firefox Secure Connection Failed Error (Mozilla) - Fix Edge Sync Not Working Due to Third-Party Antivirus-How to Resolve Edge Sync Error Code 0x80072efd
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.

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