Windows 10: Can't open Windows Security App

Discus and support Can't open Windows Security App in Windows 10 Software and Apps to solve the problem; I just updated to Windows 11 and had a clean Windows 10 install prior to that. For some reason, I cannot open my "Windows Security" app. I have AVAST... Discussion in 'Windows 10 Software and Apps' started by howei89, Oct 15, 2023.

  1. howei89 Win User

    Can't open Windows Security App


    I just updated to Windows 11 and had a clean Windows 10 install prior to that. For some reason, I cannot open my "Windows Security" app. I have AVAST and Malwarebytes as my anti-virus software. But looking for help to just open the app. Thanks

    :)
     
    howei89, Oct 15, 2023
    #1
  2. Brink Win User

    Mail app will not open on 10041.

    Hello Adam,

    This is the suggested solution below if you haven't already tried it. Can't open Windows Security App :)

    In this Windows 10 build 10041, the Mail, Calendar, and People apps may be broken due to a licensing issue with the Store Beta. To get these apps working again, you need to follow these steps:

    • Open powershell as administrator
    • Run the command Get-appxprovisionedpackage –online | where-object {$_.packagename –like “*windowscommunicationsapps*”} | remove-appxprovisionedpackage –online
    • Re-install Mail, People and Calendar from the Store (green tile)
     
    Brink, Oct 15, 2023
    #2
  3. windows 10 apps won,t open

    Hi Robert,

    Thanks for posting your query on Microsoft Community.

    We appreciate you for trying the troubleshooting steps.



    I suggest you to try the below steps and check if it helps.

    Step 1: Run Windows app troubleshooter.

    Refer to the below link:

    http://windows.microsoft.com/en-us/windows-10/run-the-troubleshooter-for-windows-apps

    Step 2: Run shell commands for Windows store and check if it helps.

    Follow the below steps:


    • Press Windows key + X and select
      Command prompt(Admin)
      to open elevated Command prompt.

    • Type the following commands.



      powershell -ExecutionPolicy Unrestricted Add-AppxPackage -DisableDevelopmentMode -Register $Env:SystemRoot\WinStore\AppxManifest.xml

    • Hit enter, the blackscreen will appear still for a couple of seconds. After a couple of second a new line saying C:\.... will appear.

    • Close Command Prompt.

    • Try to start the Windows Store again.


    Hope it helps, reply to us with the status of your issue. We will be happy to assist you.
     
    Santosh_Rai, Oct 15, 2023
    #3
  4. Can't open Windows Security App

    windows security not opening

    Your device is infected. Step 1 removes the infection and Step 2 fixes Defender.

    Step 1:

    • Download fixlist.txt
    • Make sure FRST64.exe and FixList.txt are in the same folder.
    • Launch FRST64.exe and click "Fix".
    • Upload the output log file (FixLog.txt) to your OneDrive.
    Step 2:

    Please complete the steps listed under the section "Step 2: Repair/Restore the Windows Defender Service" in this article. Note: you need to import the REG file using TrustedInstaller privileges, as described in the article.

    Restart Windows.
     
    Ramesh Srinivasan, Oct 15, 2023
    #4
Thema:

Can't open Windows Security App

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