Fix The Windows Defender Link Error In Four Easy Steps.

Trying to open Windows Defender only to be hit with an error like this?:” You’ll need a new app to open this Windows Defender Link.” (By the way Windows Defender is currently known as Windows Security.)

Windows Defender showing an Link Error.

Well we’re here to fix that in a few easy steps.

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Fix for Windows Defender Link Error:


  • Head over to the search section on the taskbar and search for the Windows Powershell App.


The search section would be a magnifying glass or a wide bar at the bottom of your screen.

Window open in Windows 10 Search Bar with Powershell Highlighted.
  • For this step you’ll need to run Windows Powershell as Admin. Right click on it and Run as Administrator and that’s basically it. (Or just click on the section on the right with the left mouse button if you find that the right click is getting too much love).
Windows 10 Powershell open in a new window showing its Blue colour with code in it.
  • Paste this code into Powershell and hit enter (press it gently please don’t hit the keyboard):

Add-AppxPackage -Register -DisableDevelopmentMode “C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\AppXManifest.xml”

Like this:

Blue windows Powershell in Windows 10 with the code to fix the Windows Defender link error inserted.

And you should get this:

Blue Windows Powershell with Yellow code highlighted that is applying the fix for The Windows Defender Link Error.
  • Let it run and once that’s done open up Windows Defender and if it worked you’ll see this in all its glory:
New window open Displaying Windows Defender Fixed.

Hope this Quick Read helps. Thanks for reading.

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