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How to Fix Cloudflare 522 Error (Firewall Blocking) - How to Enable Windows Defender When Third-Party AV Blocks It-Fix ERR_NAME_NOT_RESOLVED in Chrome: Network Troubleshooting Guide

Updated 2026-07-28 18:49:15cloud-software

How to Fix Cloudflare 522 Error (Firewall Blocking) - How to Enable Windows Defender When Third-Party AV Blocks It-Fix ERR_NAME_NOT_RESOLVED in Chrome: Network Troubleshooting Guide

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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