Windows Security Blank on Windows 11: 8 Top Ways and 1 Tip

If you encounter Windows security blank on Windows 11, don’t panic. Here are plenty of methods to troubleshoot this issue. Also, you can gain one backup tip to enhance computer security.


By Maggie Updated on March 7, 2024

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User case: Blank Screen Windows Security Windows 11

How to fix my issue please someone help I've tried like every way to try fix this so many ways. since I reset my PC due to yet another Windows 11 bug dark theme file explorer bug this Windows security has been opening but blank i cant use it.. I need help because all the ways I've tried is not doing anything.


I can't upload a screenshot but this is a known issue mine just can't be fixed and I'm not going through resetting my laptop again bug in Windows been around for years.



If you meet a similar problem and do not know how to do, then you are in the right place. Here we have the full guide for you.

Why does Windows security Windows 11 blank happen?

Windows Security is an in-built application designed to protect your computer from viruses, malware, and hacking attempts. However, some users encounter issues with Windows 11 Security, seeing a blank screen when they open the app. Several factors can cause Windows security blank Windows 11:

🌟1. Outdated PC: An outdated operating system can lead to various issues, including this Windows Security problem. Updating your PC can resolve this issue.

🌟2. Faulty system files: Corrupt or missing system files can trigger this problem. Repairing these files can fix the issue.

🌟3. Third-party antivirus issues: Having a third-party antivirus on your PC might cause problems. Uninstalling the app and relying on Windows Defender alone can resolve the issue.

🌟4. Glitches with Windows Security: Glitches within Windows Security itself could be the culprit. In extreme cases, reinstalling Windows Security might be necessary.

While fixing this issue is crucial for your PC's security, it's essential to solve it properly to avoid exposing your computer to potential harm. Fortunately, there are methods to resolve this problem, which will be detailed in this comprehensive guide. Also, to prevent irreversible loss due to system error in the future, regular backup is the most optimal way, to enable system/disk/file backup, try the below free and reliable tool:

How to fix blank security screen on Windows 11

Below lists security at a glance Windows 11 blank fix, you can try out these methods one by one.

#1. Repair Windows Security🔥

If Windows security is blank Windows 11, it might be due to small issues. What you need to do here is to repair the app from the Settings app.

Step 1. Press the Windows + I to open the Settings app and navigate to the Apps section in the left pane.

Step 2. Select Apps & features in the right pane.

Apps and Features

Step 3. Now, locate the Windows Security option and click the three dots at the right head of it.

Step 4. Select Advanced options and click the Repair button and wait for the process to complete.

#2. Repair system files🔥

The Windows security Windows 11 blank can be caused by faulty system files. To solve such an issue, you can run the DISM command.

Step 1. Type cmd in the search bar and choose Command Prompt in the search results and choose Run as administrator.

Step 2. Type the command below and hit Enter to run it:

DISM /online /cleanup-image /restorehealth

Step 3. Wait for the command to finish running. Now, run the command below:

sfc /scannow


Finally, wait for the command to finish running and restart your PC.

#3. Uninstall third-party antivirus 🔥

In certain cases, the Windows 11 Windows security blank issue occurs due to conflicts with your third-party antivirus software, possibly because it is conflicting with Windows Defender. To resolve this, you should uninstall the third-party security software and then restart your PC. This action can often eliminate the interference, allowing Windows Security to function correctly.

Step 1. Press the Windows key + R to open Run box and type control, and click OK.

Step 2. Then navigate to Programs and Features section.

Step 3. Now, right-click the antivirus software and select Uninstall.

#4. Restart the Windows Security service🔥

If the Windows 11 Security is showing a blank screen, it might be because the associated service is not running. You need to restart the service and let it start automatically with your PC.

Step 1. Press the Windows key + R to open Run box and type services.msc, and press Enter.

Step 2. Double-click the Windows Security Service option service to open its Properties.

Windows Security Service

Step 3. Now, check if the service is running. If it is not, then click the Start button.

Step 4. Click the Apply button followed by OK to save the changes.

#5. Edit the registry

In some cases, Windows 11 Security might show a blank screen due to a disabled registry value. The solution is to change the registry value and restart your PC.

Step 1. Press the Windows key + R, type regedit, and click the OK button.

Step 2. Navigate to the path below in the left pane:



Step 3. Next, double-click the Start DWORD in the right pane.


Step 4. Set the Value data to 1 and click the OK button.

Step 5. Finally, close your Registry Editor and restart your PC.

#6. Reinstall Windows Security app

Windows 11 Security might be showing a blank screen because the app ran into an issue. You can reset and reinstall the app by running the command above.

Step 1. In the search bar type powershell, and select Run as administrator under Windows PowerShell.

Windows PowerShell

Step 2. Now, type the command below and hit Enter to run it:

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

Windows Defender Command

Step 3. Finally, restart your PC.

#7. Redeploy all apps

Sometimes, you might need to redeploy all your Windows apps to fix the Windows 11 Security showing a blank screen issue. This will clear the glitches that might be causing the problem.

Step 1. Launch Windows PowerShell as an admin as # 6.

Step 2. Now, run the command below:

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

Set ExecutionPolicy

Step 3. Finally, wait for the command to finish running and restart your PC.

#8. Reset the PC

Step 1. Press the Windows key + I to open the Settings app and select Recovery in the right pane.

Step 2. Now, click the Reset PC button before the Reset this PC option.

Step 3. Then choose whether to keep your files or remove everything and follow the onscreen instructions to complete the process.

If you are still unable to resolve the Windows 11 Security black screen issue on your PC, you might need to reset it. If you have a backup of your files, you should consider performing a complete reset, which involves deleting everything on your system. This step can help eliminate any potential causes of the problem and restore Windows Security to its normal functionality.

Best free backup software to avoid unexpected problems

As always, it's advisable to back up your computer beforehand. AOMEI Backupper Standard, a comprehensive free backup software, can assist you in creating a computer copy with just a few clicks. This precaution ensures your data is safe before attempting any troubleshooting or system modifications.

AOMEI Backupper
Best Free Backup Software
  • Multiple backup choices: It supports System Backup/Disk Backup/Partition Backup/ File and Folder Backup per your needs.
  • Auto-backup setups: You can set scheduled backup in daily/weekly/monthly/event-triggers and USB plug-in mode.
  • Flexible backup destinations: You can back up to various destinations, including internal or external hard drives, cloud drives, network locations, or NAS devices.
  • Faulty system rescuer: It enables you to create bootable media, which can be invaluable for restoring data from a Windows system affected by BSOD, unbootable situations, or crashes.

Step 1.  Download and launch AOMEI Backupper, click Backup on the left panel, then select Disk Backup.

Disk Backup

Step 2. Click + Add Disk to choose the source disk that you want to backup.

Add Disk

Step 3. Choose the destination place where you plan to store the backup image to. It is recommended that you back up to an external disk.

Select Backup Destination

Step 4. (Optional) You can click on Options, Schedule, Scheme on the left corner of this program as per your needs.

Backup Scheme

Step 5. After finishing all the settings, click Start Backup.

Start Backup

🌟What if none of the above solutions resolve Windows security blank Windows 11 error?

If the blank screen issue in Windows 11 persists despite trying the above methods, you can utilize AOMEI Backupper to perform a Universal Restore to let your screen back. 
Simply locate a functional Windows 11 computer, create a system image backup, and then restore it to your problematic computer using AOMEI Backupper. This approach can help resolve the black screen problem effectively. (available in higher editions of AOMEI Backupper).

Universal Restore

FAQ on Windows Security

1. What is Windows Security, and why is it important?

Windows Security is a built-in suite of tools and features designed to protect your computer from various threats such as viruses, malware, and hackers.

It includes features like antivirus protection, firewall settings, and system updates. It's crucial because without proper security measures, your computer is vulnerable to attacks that can compromise your data, privacy, and even the functionality of your system. So in-advanced backup is needed as well.

2. How can I ensure that Windows Security is enabled and up-to-date on my computer?

To ensure Windows Security is enabled, go to your system settings and navigate to the "Update & Security" section. From there, you can check if Windows Security features such as antivirus protection and firewall are turned on. Additionally, you should regularly update your operating system to ensure you have the latest security patches and fixes.

3. What are some common threats that Windows Security protects against?

Windows Security protects against a wide range of threats including viruses, malware, spyware, ransomware, phishing attacks, and network-based intrusions. These threats can come from various sources such as malicious websites, email attachments, USB drives, or even through vulnerabilities in software installed on your computer.

4. Are there any additional security measures I can take to enhance Windows Security?

Yes, there are several additional steps you can take to enhance your Windows Security. These include using strong, unique passwords for your accounts, enabling two-factor authentication where possible, being cautious about downloading and installing software from unknown sources, regularly backing up your data, and keeping your software and applications updated.

5. What should I do if I suspect my computer has been compromised despite having Windows Security enabled?

If you suspect your computer has been compromised, take immediate action to mitigate the damage. Disconnect your computer from the internet to prevent further access by attackers. Run a full scan using your antivirus software to detect and remove any malware. If you're unable to resolve the issue on your own, seek assistance from a professional or contact your IT support team for guidance. Additionally, consider resetting your passwords for all accounts and monitoring your financial accounts for any suspicious activity.


Windows security blank Windows 11 can be solved in the top 8 ways. Showing such an issue on your computer means that some issues interface your computer, thus in order to keep data safe and secure, make a full backup on your computer!

AOMEI Backupper is a professional and reliable backup and restore software that enables you to create a backup for your computer. This software can also offer you other useful functions like clone and sync. You can also migrate your OS from HDD to SSD to boost your system up, replace a faulty drive and other reasons.

Maggie · Editor
Maggie is a technical editor from AOMEI and troubleshoots technical problems against data protection. She has received professional and systematic technical training. With a focus on user experience, security, and problem-solving, she always puts herself in the readers' shoes and provides them with valuable technical insights.