Fix Windows Defender Threat Service Stopped After Update - Cloudflare 522 Error: How to Fix Firewall-Caused Connection Timeouts-Migrate CMD Settings to Another Computer

Updated 2026-06-14 09:30:25macos-help

Fix Windows Defender Threat Service Stopped After Update - Cloudflare 522 Error: How to Fix Firewall-Caused Connection Timeouts-Migrate CMD Settings to Another Computer

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.