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Fix Firefox Secure Connection Failed Due to Antivirus Interference - Troubleshoot Windows Activation Error 0x800704cf-Repair Windows Update Service Post-Malware

2026-06-13 14:38:22browser-issues
Fix Firefox Secure Connection Failed Due to Antivirus Interference - Troubleshoot Windows Activation Error 0x800704cf-Repair Windows Update Service Post-Malware

Final checklist

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