zhizhu
Home / windows-fixes / Fix Firefox Secure Connection Failed Due to Antivirus Interference - Troubleshooting DNS Issues in Cloudflare Tunnel-Windows Activation Error 0xc004c003 Motherboard Fix

Fix Firefox Secure Connection Failed Due to Antivirus Interference - Troubleshooting DNS Issues in Cloudflare Tunnel-Windows Activation Error 0xc004c003 Motherboard Fix

2026-06-13 13:55:18
Fix Firefox Secure Connection Failed Due to Antivirus Interference - Troubleshooting DNS Issues in Cloudflare Tunnel-Windows Activation Error 0xc004c003 Motherboard Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.