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Fixing Cloudflare 521 Error: Enable Origin Pull Setup - Windows Explorer Not Responding – Troubleshooting Tips-Why VS Code Debugger Breakpoints Are Greyed Out and How to Fix

Updated 2026-07-28 05:40:24security-tools
Fixing Cloudflare 521 Error: Enable Origin Pull Setup - Windows Explorer Not Responding – Troubleshooting Tips-Why VS Code Debugger Breakpoints Are Greyed Out and How to Fix
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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