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Home / windows-fixes / How to Fix Error 0x80070005 in Windows 11 (Access Denied) - Windows 10 Update Error 0x80070002 Troubleshooting-Fix Cloudflare 521 Error by Adjusting Firewall

How to Fix Error 0x80070005 in Windows 11 (Access Denied) - Windows 10 Update Error 0x80070002 Troubleshooting-Fix Cloudflare 521 Error by Adjusting Firewall

2026-07-28 13:35:36windows-fixes
How to Fix Error 0x80070005 in Windows 11 (Access Denied) - Windows 10 Update Error 0x80070002 Troubleshooting-Fix Cloudflare 521 Error by Adjusting Firewall

Final checklist

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