Windows 10: Windows defender won't open?

I recently reinstalled windows for my computer. I went to open windows security, and it wouldn't open. I feared this was malware, so I reinstalled windows. The problem continues to persist. The program opens, but just stays on a blank screen. Please help!

:)

 

Windows won`t open an program when using Microsoft user

Windows won`t open an program when I try to open it with Microsoft account user, but when I login with local account, that program opens. I have tried with 2 Microsoft accounts, 1 admin and 1 normal user, and it won`t open in either one of them. What can cause this?

***Moved from Windows / Windows 11 / Tilit, profiilit ja kirjautuminen***

 

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:

Fix problems with apps from Microsoft Store - Microsoft Support

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.

 

Windows 10 Store won-t open

Hi Mateo,

Thank you for posting your query in Microsoft Community.

I suggest you to reset Windows Store Cache and check if it helps.

• 
  Press Windows Key + R key to open run box.
  
• 
  Type WSReset.exe and hit Enter.