Fix Windows Security Not Opening On Windows 10 & 11 | Windows Security blank in Windows 11

February 8, 2024

Do let me know in the comment section, which of the step worked for you. So, that it can be helpful to other user’s with the same problem!

⌚ TIMESTAMPS

00:00 Intro

00:45 1. REPAIR OR RESET THE WINDOWS SECURITY APP
Windows 11 includes a useful repair tool for fixing app-related issues. You can use it to fix any common issues with the Windows Security app and see if that helps.

01:50 2. RESET THE WINDOWS SECURITY APP USING POWERSHELL
Several users on the Microsoft forums reported fixing issues with the Windows Security app by resetting it via PowerShell. You can also give this method a shot. Run the below command:

Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage

02:35 3. RESTART THE SECURITY CENTER SERVICE
Security Center service is a small program that monitors security settings on your computer. Typically, this service runs automatically every time your PC boots up. However, if the service has failed to start correctly for some reason, you might have trouble accessing the Windows Security app.

03:50 4. RUN THE SFC AND DISM SCANS
If you’re facing similar issues with other apps and programs as well, some system files on your PC may be damaged or missing.

SFC /scannow
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth

05:10 5. UNINSTALL ANY THIRD-PARTY ANTIVIRUS PROGRAM
At times, third-party antivirus programs can also interfere with the Windows Security app and prevent it from opening on your Windows 11 PC. To avoid any conflicts, it’s best to disable or uninstall any third-party antivirus program.

06:10 6. PERFORM A CLEAN BOOT
Malicious third-party apps and services running on your PC can also disrupt Windows operations and cause such problems.
msconfig

Restart your PC to enter a clean boot state and try to open Windows Security again. If this solves your problem, look through any recently installed apps and programs and remove them.

To boot in normal mode again, follow the steps above to enable all startup apps and services, and restart your PC.

09:20 7. INSTALL WINDOWS UPDATES
Updates are crucial for any operating system and Windows is no exception. Aside from new features and security patches, these updates also carry important bug fixes. You can download and install any available updates and check if that resolves the issue.

10:10 8. ENABLE BACKGROUND APPS
Disabling background apps is a common method used by many Windows users to make their computer run faster. However, sometimes by mistake they disable Windows Security app from running in the background.

11:30 9. REBUILD WINDOWS APPS
In this method you will use Windows PowerShell commands to rebuild the Windows apps.

I have described two set of commands to rebuild all the apps in Windows. You have to follow one process among the two mentioned below. If you are unable to complete the first process, then try the second one.

9.a) First Process:
Set-ExecutionPolicy Unrestricted
Press ‘A’ and hit enter

Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage

9.b) Second Process:
Set-ExecutionPolicy Unrestricted
Press ‘A’ and hit enter

Get-AppxPackage -AllUsers | Foreach app: Add-AppxPackage -DisableDevelopmentMode -Register “$($_InstallLocation)AppXManifest.xml”

One of the two processes given above would surely work for you. After completion of the process, restart your computer for the changes to take effect.

13:55 10. PERFORM SYSTEM RESTORE

15:40 11. RESET YOUR PC

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