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Home / macos-help / Fix Windows Defender Firewall Blocking Internet Access - Fix Windows Update Error 0x80072efd: Connection Refused-How to Resolve Chrome Error 12 from Antivirus

Fix Windows Defender Firewall Blocking Internet Access - Fix Windows Update Error 0x80072efd: Connection Refused-How to Resolve Chrome Error 12 from Antivirus

2026-06-13 14:34:19macos-help
Fix Windows Defender Firewall Blocking Internet Access - Fix Windows Update Error 0x80072efd: Connection Refused-How to Resolve Chrome Error 12 from Antivirus

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.