Fix Windows Security app not working on Windows 10 and Windows 11

In this guide, I will show how to fix typical problems if you cannot open Windows Security on Windows 10 and Windows 11.

Run the following PowerShell command to re-register the Windows Security application.

Get-AppXPackage -AllUsers Where-Object {_.InstallLocation -like /"*SecHealthUI*/"} Foreach {Add-AppxPackage -DisableDevelopmentMode -Register /"(_.InstallLocation)//AppXManifest.xml/"}

Please take the opportunity to connect and share this video with your friends and family if you find it useful.