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Fix Windows Security Path Not Found Error (Code 0x80070003) - How to Fix Cloudflare 525 Timeout: SSL Handshake Failed-Windows Defender Black Screen Loading Fix

2026-06-13 18:49:22browser-issues
Fix Windows Security Path Not Found Error (Code 0x80070003) - How to Fix Cloudflare 525 Timeout: SSL Handshake Failed-Windows Defender Black Screen Loading Fix

Final checklist

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