Fix Windows Defender Real-Time Protection Not Turning On After Update - How to Resolve Windows Update Error 0x80070002-How to Fix Cloudflare 522 Error: Step-by-Step Support Guide

Updated 2026-07-28 09:16:59developer-tools
Fix Windows Defender Real-Time Protection Not Turning On After Update - How to Resolve Windows Update Error 0x80070002-How to Fix Cloudflare 522 Error: Step-by-Step Support Guide
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.