Sep 01 2021 09:34 PM
Sep 01 2021 10:12 PMSolution
Suggest try the following steps:
Dec 22 2021 07:49 AM
@JianYu this solution doesn't work for me
tried other solutions like Windows Security in Windows 11 not opening or working (thewindowsclub.com)
except for only reinstallation on my side. Do you have any other solution? I bit doubtful windows defender then install 3rd party internet security ie, Kaspersky
Dec 24 2021 07:26 PM
@karthikshaindia If this solution do not work for you, I think you can just follow the reinstall step based on the link you shared or maybe you can install 3rd party antivirus software like you said if you own a license key to activate the software :smiling_face_with_smiling_eyes:
Jan 23 2022 12:23 PM
Ran "Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage" in Windows PowerShell as Administrator and it worked!
Feb 13 2022 12:09 PM
Me too :( ,I've searched but all the results not able to fix !
Access is denied.At line:1 char:1+ Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ CategoryInfo : NotSpecified: (:) [Get-AppxPackage], UnauthorizedAccessException+ FullyQualifiedErrorId : System.UnauthorizedAccessException,Microsoft.Windows.Appx.PackageManager.Commands.GetAppxPackageCommand@wrsjj77