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JianYu's avatar
JianYu
Brass Contributor
Sep 02, 2021
Solved

Windows 11's Windows Security App can't open.

Alright guys, just now I'm trying to disable the Windows defender but I found out that I can't even open the Windows Security App. Anyone knows what's going on? Any solution? I'm looking for help.  ...
  • Little_Joe's avatar
    Little_Joe
    Sep 02, 2021

    JianYu 


    Hello,

    Suggest try the following steps:

    • Open PowerShell by using Administrator rights
    • Copy and paste Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage to the PowerShell window and press enter
    • Close the PowerShell and retry
Little_Joe's avatar
Little_Joe
Bronze Contributor
Sep 02, 2021

JianYu 


Hello,

Suggest try the following steps:

  • Open PowerShell by using Administrator rights
  • Copy and paste Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage to the PowerShell window and press enter
  • Close the PowerShell and retry
col123's avatar
col123
Copper Contributor
Jun 30, 2022

Little_Joe 

 

Worked, thanks legend!

For those that misread like me the first time ... copy and paste ..... 

 

Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage 

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