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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
rishabh24273239pandey's avatar
rishabh24273239pandey
Copper Contributor
Aug 13, 2024

JianYuIf nothing works this might work.It worked for me. Go to C:\Windows\System32\SecurityHealth

.Go to the first folder(usuallay an version folder) and install  all APPX files in the folder.To install run them as administrator and follow as instruction are given.

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