Repair and Reset the Windows Security App
- Go to Settings.
- Select Apps.
- Go to Apps & features.
- Locate the Windows Security app.
- Click on the three dots and select Advanced options.
- Hit the Repair button.
- If the issue persists, hit the Reset button.
If this repair option does not fix Windows Security App use the following instructions:
Open powershell and run this command, note that this command must be ran on all affected accounts:
Add-AppxPackage -Register –DisableDevelopmentMode "C:\ProgramFiles\WindowsApps\Microsoft.SecHealthUI_1000.22000.1.0_neutral__8wekyb3d8bbwe\AppXManifest.xml"