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Fix Windows Explorer Restarting After Crash - Troubleshoot Cloudflare 521 Error Caused by Overload-How to Stop Nginx Redirect Loop Caused by Rewrite

Updated 2026-07-28 14:36:11browser-issues
Fix Windows Explorer Restarting After Crash - Troubleshoot Cloudflare 521 Error Caused by Overload-How to Stop Nginx Redirect Loop Caused by Rewrite
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.