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Fix Windows Update DNS Resolution Problems - Cloudflare 522 Error: How to Fix Firewall-Caused Connection Timeouts-Fix Blank Screen from Task Scheduler Setup

Updated 2026-06-14 12:00:39developer-tools
Fix Windows Update DNS Resolution Problems - Cloudflare 522 Error: How to Fix Firewall-Caused Connection Timeouts-Fix Blank Screen from Task Scheduler Setup
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.