What if you receive an error message saying “You’ll need a new app to open this Windowsdefender link” in Windows 11/10? Take it easy and you can easily fix this issue. Read this post and MiniTool Software will show you a simple solutions. Have a try.

Windows Security, the earlier Windows Defender, is an app embedded into Windows 10/11 to protect your computer from viruses and malware. Windows Defender can provide real-time protection. To turn on Windows Defender in Windows 10, go to Settings > Update & Security > Windows Defender. Then, you can launch this security app from there. To open this app in Windows 11, follow the way in this post - How to Enable or Disable Microsoft Defender in Windows 11.

Many users complained that they got a message “You’ll need a new app to open this Windowsdefender link” when launching Windows Defender in some forums like Reddit.

This error can be found not only in Windows 10 but also in Windows 11. Nowadays Windows 11 is still in the test phase and it always has various issues with the release of each preview build. Recently, the error “You’ll need a new app to open this Windowsdefender link” bothers many Windows 11 users.

you need a new app to open this windowsdefender link

Perhaps you are also a victim of this bug. When it happens, you can still view firewall, antivirus, and protection status but you cannot open some protection features, for example, firewall & network protection, account protection, apps & browser control, and more.

And you are asked to find an app in the Microsoft Store to open this windowsdefender link. Actually, there is no app in the Store to handle this app. Fortunately, this issue can be solved, and you can still access Windows Security or Windows Defender settings as usual. Here is what you need to do.

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According to users, using PowerShell to perform a certain command is useful to help you get out of the error pop-up window.

Step 1: Type powershell to the search box of Windows 10/11, right-click Windows PowerShell, and choose Run as administrator.

Step 2: In the PowerShell window, type the command: Add-AppxPackage -Register –DisableDevelopmentMode "C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\AppXManifest.xml" and press Enter.

If you cannot open the antivirus app in Windows 11 with the error “You’ll need a new app to open this windowsdefender link” in Windows 11, you can try another command - Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage and press Enter.

After finishing the process, you can open Windows Defender like before.

Other Known Windows 11 Issues

Windows 11 update issues always frustrate you. In addition to this issue with Windows Defender, there are some other known problems:

  • When you switch input methods, Taskbar will flicker.
  • When using the search box, the Settings app can crash.
  • You may not be able to enter text in the search window.
  • Windows Widgets board may not function properly.

These issues may be fixed in the coming weeks before the October 2021 release.

Windows Defender Keeps Turning on in Windows 11/10? Try 6 Ways!
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Final Words

You’ll need a new app to open this windowsdefender link in Windows 11 or 10? How can you get rid of this error message so that you can use Windows Defender like before? Just try the above method and you can easily fix it.

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