Windows 11 bug breaks Windows Security app, but there’s a fix

Windows 11 security app crash

A bug that appears to be quite widespread is causing Windows
Security to show error message “You’ll need a new app
to this windowsdefender link
” in the preview builds of
Windows 11.

Windows 11’s early preview is currently available to testers in
the Windows Insider Program, and users are encountering various
issues and bugs with the designed desktop OS.

According to user reports, Microsoft recently released a faulty
update and it appears to be causing some serious problems with
Windows Security app which is used for managing Windows
Defender and other security features. Luckily, there’s a simple
fix here. Since “Windows Security” is a system app, it can be
repaired using PowerShell.

Windows 11 Build 22000.160 or older is causing Windows
Security to show error messages saying “You’ll need a new app
to this windowsdefender link”. While users can still view
antivirus, firewall, and protection status, some can no longer
open different protection features like account protection,
firewall & network protection, apps & browser control, etc.

“I am unable to open Windows Security on Build 22000.
Attempting to do so displays a message prompting me to look in
the Store to find an app,” one user wrote in the Feedback Hub.

Windows Security crash

“Any click on any of the items presented under “Protection
Areas” prompts the appearance of this message: “You´ll need a
new app to open this windowsdefender link”, plus the option to
“Look for an app in the Microsoft Store”,” another user
explained the problem in the Feedback Hub.

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

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.

Other known issues in Windows 11

Many of the early issues have already been acknowledged by
Microsoft.

For instance, Microsoft is investigating reports of an issue
where testers in Beta Channel won’t see the new taskbar and
Start menu. To address this problem, head to Windows Update
> Update history, and uninstall the latest cumulative
update. After the patch has been removed, you can reinstall it
by checking for updates.

Likewise, Windows 11 is also plagued with the following issues:

  • You might be unable to enter text in the search window.
  • Taskbar will flicker when you switch input methods.
  • The settings app will crash when using the search box.
  • Bluetooth LE devices will experience an increase in
    Bluetooth reliability issues.
  • Windows widgets board may not work properly.

These issues will be fixed in the coming weeks ahead of the
October 2021 release.

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