Steps to fix the error of not opening Windows Security on Windows 11

Sometimes Windows Security encounters cryptic errors that make it impossible to run on Windows 11. For example, it may suggest that you will need a new application to open this windowsdefender link.

So how to solve this problem? TipsMake.com will help you find the answer.

Picture 1 of Steps to fix the error of not opening Windows Security on Windows 11

Picture 2 of Steps to fix the error of not opening Windows Security on Windows 11

How to fix the error that cannot open Windows Security on Windows 11

Repair and Reset Windows Security application

The first way you can try is to fix or reset the Windows Security application, the specific steps are as follows:

Step 1: Go to Settings.

Step 2: Select Apps.

Step 3: Select Apps & features.

Step 4: Search for the Windows Security application.

Step 5: Click the three dots and then select Advanced options.

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Step 6: Click the Repair button.

Step 7: If the problem is still not fixed you can press the Reset button.

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You can also use PowerShell to reset the Windows Security application's data plan. Run PowerShell as admin then type and run the following command: Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage.

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Run SFC and DISM

If your file system has problems, the built-in components of Windows 11, such as Windows Security, will not be able to run. Therefore, you should try to use automatic system file checking and fixing tools such as System File Checker (SFC) and Deployment Image Servicing and Management (DISM). The specifics are as follows:

Step 1: Press the Start button then enter cmd to search.

Step 2: Right-click Command Prompt and select Run as administrator.

Step 3: Type sfc /scannow and then wait for the tool to scan and fix your system.

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Step 4: Enter Dism/Online/Cleanup-Image/RestoreHealth and then continue to wait for the tool to scan and repair your system.

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Step 5: Restart the computer to see if the problem has been fixed or not.

Disable background apps

Sometimes background apps cause conflicts that prevent Windows Security from opening on Windows 11. So you can try disabling background apps to see if that fixes the problem. You can also try disabling all services to start Windows in the most "clean" way to see if Windows Security works again.

How to disable background applications and disable services as follows:

Step 1: Press Ctrl + Shift + Esc to open Task Manager.

Step 2: If you don't see the options, find and click the More details button.

Step 3: Click the Startup tab, find all Enabled applications to Disable them.

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Step 4: Press Win + R to open Run then type msconfig and press Enter.

Step 5: Click the Services tab, then check the box Hide all Microsoft services and then click the Disable All button.

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Step 6: Restart the machine and then try to see if Windows Security works again or not.

Step 7: If Windows Security works again, you can try enabling each service to check which service is causing the error. This process can be done quickly by enabling the application in groups.

Note: Some applications and features will be affected when you disable all services that start with Windows. After fixing the Windows Security error, you should re-enable the services to ensure that Windows works most stably.

Disable or remove third-party security and anti-virus software

You need to know that you cannot run two different antivirus software on your computer at the same time. If you have third-party antivirus software installed on your computer, you need to disable or remove it before you can run Windows Security.

Good luck!

Update 19 January 2022
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