Windows Security Not Opening on Windows 11? 9 Ways to Fix it

Windows Security app may fail to open for a few reasons. It could be system file corruption, invalid registry entries, etc. Here are some common reasons for this issue.

• You’re using a pirated version of Windows
• The version of Windows Security installed on your device is outdated.
• Corrupted system files.
• Invalid or corrupted registry entries.
• Windows Security app files are corrupted.
• You are using other security programs on your PC.

If you are experiencing these problems, here’s how to fix them.

1. Repair Windows Security

We will repair the Windows Security app to fix the issue of Windows Security not opening.

1. Click on the Windows 11 Start Menu and type Windows Security.

2. Click App Settings.

3. Scroll down and click Repair.

Wait until the process is completed. Once completed, you must run the app to check if the program persists.

2. Reset Windows Security App

We will reset the Windows Security app to fix Windows Security not opening or working on Windows 11.

1. Click on the Windows 11 Start Menu and type in Windows Security.

2. Click on App Settings.

3. Scroll down and click Reset.

4. Follow the on-screen instructions to complete the reset process.

3. Restart the Security Center Service

For those who don’t know, Security Center is a Windows service that runs whenever your PC boots. Sometimes, the service fails to start, leading to Windows Security not opening the problem. Hence, we must restart the Security Center service to fix the Windows Security not opening problem.

1. Press the Windows Key + R to open the RUN dialog box. In the RUN dialog box, type services.msc and press Enter.

2. Find the Security Center.

3. Right-click on the Security Center and select Restart.

4. Run an SFC Scan

System file corruption is another reason Windows Security does not open. Hence, we must run an SFC scan to fix the corrupted system files.

1. Open Windows Search and type in Command Prompt.

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

3. Enter sfc /scannow

4. Wait until the process is complete. If Windows detects any problems, it will automatically fix them.

5. Re-register the Windows Security Apps

Re-registering the Windows Security app on Windows 11 has helped many users fix the problem. Here’s how you can re-register.

1. Type Command Prompt in the Windows 11 Search. Right-click on Command Prompt and select Run as administrator.

2. Execute this command and press Enter.

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

3. If the above command didn’t help, execute this command:

powershell -ExecutionPolicy Unrestricted Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

After executing the command, restart your computer and reopen the Windows Security app.

6. Uninstall Other Antivirus Programs

Neither Windows 10 nor Windows 11 allows you to run two different antivirus programs simultaneously. So, if you are using any antivirus program, you need to turn it off.

If disabling other antivirus programs didn’t help, uninstall them from your system. Once you’ve uninstalled other security programs, you must check whether Windows Security is opening.

7. Disable the Startup Program

Apart from the antivirus program, several types of third-party apps & services can interrupt the functioning of Windows Security. To resolve this issue, we must first find and disable the problematic startup app.

1. Press the Windows Key + R to open the RUN dialog box. In the RUN dialog box, enter msconfig and press Enter.

2. Select the Services tab on the System Configuration pop-up.

3. Check the box behind Hide all Microsoft Services and click Disable All.

4. Switch to the Startup tab. Click Open Task Manager.

5. Under Startup, select a program and click the Disable button. Repeat this step until you turn off all the programs.

After making the changes, restart your Windows 11 PC. Your PC will restart without any third-party apps. If Windows Security opens after the restart, you need to check your recently installed apps & programs.

8. Update Windows 11

It’s possible that Windows Security is not opening due to an existing bug, which Microsoft has fixed with a system update. So, it’s recommended that you update Windows 11 to fix bug-related problems.

To update Windows 11, open Settings > Windows Update and click the Check for Updates button.

9. Reset Your Windows 11 PC

If nothing has worked for you, resetting your Windows 11 PC to its default state should be your last resort.

On Windows 11, you get the reset options in the Settings app and can keep your files. But resetting will still turn all settings and apps to their default state.

1. Click on the Windows 11 Start button and select Settings.

2. Switch to Windows Update > Advanced Options.

3. Click on Recovery.

4. Scroll down to the Recovery options and click the Reset PC button.

5. You must choose whether to keep your files or Remove everything. Pick Keep my files if you wish to keep your files.

6. Follow the on-screen instructions to complete the reset process.

After the reset, open the Windows Security app again. This time, the Windows Security app will open.

We are sure these methods will help you fix the Windows Security app not opening problem on Windows 11. If you have any doubts, let us know in the comment box below.

The post Windows Security Not Opening on Windows 11? 9 Ways to Fix it appeared first on TechViral.

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