Try reinstalling Windows Security Platform with the new update. Download from this link the folder that contains the application:
https://app.box.com/s/8br9g6arlce8pgxx5hmh6t1jcv4zj2s0
Now follow these steps:
- Create a restore point first
- Unzip the downloaded ZIP file on the Desktop
- Navigate to the location C:\Windows\System32\SecurityHealth to take ownership of that folder:
Properties > Security > Advanced Options > Change > Administrators
Check the "Replace owner on subcontainers and objects" box and click Apply.
In the "SecurityHealth Permissions" window select Administrators > Full Control. Apply.
- Copy the "1.0.2207.20002-0" folder on the Desktop to the SecurityHealth folder
- Open the folder and run the application "Microsoft.SecHealthUI_8wekyb3d8bbwe.appx" as administrator to update.
- Restart the computer.