Additional menu

The Geek Page

Fix You’ll need a new app to open this while opening windows defender

By

Many users complained that when they are trying to open windows security, they get an message saying You’ll need a new app to open this. When they click the OK or Next option on the pop up, the pop window goes away. If you are also a victim of this bug, here is a working fix to solve this problem. The main issue users are facing is that even if they are able to open Microsoft windows defender, but they are unable to open some of its features. When they try to open some of the features like controlled folder or anything else like that, they encounter a Pop up stating the error which says , you will need a new app to open this . Surprisingly they have windows defender , turned on and enabled by default. So, here is a quick fix which solves this issue immediately.



You Need New App Open Windows Defender

Fix 1 – Using Powershell disable development mode

1. Search Powershell in the windows 10 taskbar search.

ADVERTISEMENT

2. Right click on the powershell icon and choose run as administrator.

 

Powershell Run As Administrator

 

3. Now, copy and paste the code given below and Hit Enter Key to execute the command.

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

That’s it. Now, you will no more receive this error.

Also Read: – How to disable windows defender

You can also download this PC Repair tool to Locate and Fix any PC issue:
Step 1 - Download the Restoro PC Repair Tool from here
Step 2 - Click on Start Scan to find and Fix any PC issue automatically.

Related Posts:



Reader Interactions

Comments

  2. Tom Kerr says

    This is what i recieved

    Add-AppxPackage : Cannot find path
    ‘C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\AppXManifest.xml’ because it does
    not exist.
    At line:1 char:1
    + Add-AppxPackage -Register -DisableDevelopmentMode “C:\Windows\SystemA …
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo : ObjectNotFound: (C:\Windows\Syst…ppXManifest.xml:String) [Add-AppxPa
    ckage], ItemNotFoundException
    + FullyQualifiedErrorId : PathNotFound,Microsoft.Windows.Appx.PackageManager.Commands.AddAppxPac
    kageCommand
    I know nothing about Powershell. But i know how to follow instructions, So what did I do incorrectly?

  6. Tom Holland PA says

    Amazing! Instant fix after reading all the MS MVPs who are “here to help”.
    Thanks so much.

  14. CJ says

    This worked. Thanks a lot. I also don’t normally comment, but this was really annoying me. What is causing this bug though? Anyway, cheers again.

  15. mark says

    I usually don’t comment on websites, but I want to thank you for this quick and straight fix!
    I have bookmarked this site.

  19. Laura says

    With the help of a search, came to this and within seconds my problem was fixed.
    Very pleased

  22. Anonymous says

    I don’t normally comment on stuff, but thank you! That was a straight to the point fix that worked for my PC!

  26. Girish Patil says

    Bro,

    Thank you so much.
    My problem got resolved. Now I can Open my Windows Security.

    Its just an easiest way.