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Fix Task Scheduler Authentication Failed: Scheduled Task Not Running - How to Fix Cloudflare Error 525 SSL Handshake Failed-Task Scheduler 502 Bad Gateway: Troubleshooting Checklist

2026-06-13 23:24:34developer-tools
Fix Task Scheduler Authentication Failed: Scheduled Task Not Running - How to Fix Cloudflare Error 525 SSL Handshake Failed-Task Scheduler 502 Bad Gateway: Troubleshooting Checklist

Final checklist

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