Windows Security App Not Working

If the Windows Security App is not working or not showing in settings use these instructions:

First try the repair option as follows:

Repair and Reset the Windows Security App

  1. Go to Settings.
  2. Select Apps.
  3. Go to Apps & features.
  4. Locate the Windows Security app.
  5. Click on the three dots and select Advanced options.
  6. Hit the Repair button.
  7. 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"