Fix “You’ll need a new app to this windowsdefender link” in Windows 11

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To fix “windowsdefender link” error in Windows 11, use these steps:

Open Windows PowerShell from search or Start Menu with administrator privilege.
Copy and paste Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage
Close PowerShell window.
Once done, you’ll be able to launch Windows Security app again.

Reference: Please refer this page for more details.

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Open Windows Security from Command

Windows Security Page​ Command​

Home start windowsdefender:
Virus & threat protection start windowsdefender:threat
Account protection start windowsdefender:
account
Firewall & network protection start windowsdefender:network
App & browser control start windowsdefender:
appbrowser
Device security start windowsdefender:devicesecurity
Device performance & health start windowsdefender:
perfhealth
Family options start windowsdefender:family
Protection history start windowsdefender:
history
Security providers start windowsdefender:providers
Notifications start windowsdefender:
settings

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