How to Fix Windows Defender Real-Time Protection Turned Off - Microsoft Store Repair and Reinstall Guide-Resolve Error 0x80073cf3 in Microsoft Store

Updated 2026-06-13 16:24:43office-tools

How to Fix Windows Defender Real-Time Protection Turned Off - Microsoft Store Repair and Reinstall Guide-Resolve Error 0x80073cf3 in Microsoft Store

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.