Fix Windows Update Error 0x80070002: Missing File - Windows Defender Real-Time Protection Greyed Out: How to Fix-Stop Windows Explorer Crash Loop in Windows 10/11

Updated 2026-07-28 02:11:04cloud-software
Fix Windows Update Error 0x80070002: Missing File - Windows Defender Real-Time Protection Greyed Out: How to Fix-Stop Windows Explorer Crash Loop in Windows 10/11
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.