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How to Fix Cloudflare Error 525: SSL Handshake Failed - Windows Defender Token Expired After Update Fix-How to Restore Firefox Profile

2026-06-13 15:43:22developer-tools
How to Fix Cloudflare Error 525: SSL Handshake Failed - Windows Defender Token Expired After Update Fix-How to Restore Firefox Profile

Final checklist

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