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
Sep 01, 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

Bronze Contributor

Mar 08, 2022

Try the following if the previously does not works for you:
Get-AppxPackage -allusers *SecHealthUI* | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

NandoCanedo

Copper Contributor

Mar 15, 2022

Yay! Thanks! That one worked for me!

Little_Joe
Bronze Contributor
Mar 15, 2022
NandoCanedo

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

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