How To Fix Kernel Security Check Failure in Windows 11/10/8/7?


Updated on Jun. 27, 2023

Position: Resource - Disk Utilities - How To Fix Kernel Security Check Failure in Windows 11/10/8/7?

A blue screen error, commonly known as the Blue Screen of Death (BSOD), can appear unexpectedly while using your computer. When this occurs, your system may become unresponsive and no longer function normally. This error is typically caused by a kernel security issue. While encountering the kernel security check failure in Windows 11/10 can be frustrating, there are a few easy solutions available to help resolve the issue. Check out the guide below to learn how to fix this error using four simple methods.

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If you encounter a blue screen error at startup on your Windows 11/10 device, you may be presented with a stop code that indicates the source of the issue. The stop code can vary depending on the cause of the error, but some users have reported seeing the KERNEL_SECURITY_CHECK_FAILURE stop code. This common error has led many users to search for ways to fix the Windows 11/10 kernel security check failure. Fortunately, resolving this issue is not difficult. Before we explore the solutions, it's important to understand the main causes of blue screen errors and kernel security check failures:

-The installed software conflicts.

-Memory problems

-Virus infection

-Driver incompatible or outdated issues

-Corrupted Windows system files

-Damaged hard disk

Once you have identified the cause of the kernel security check failure, you can try different solutions to resolve the issue based on your specific situation. However, before attempting any of the fixes outlined in this article, it's advisable to perform some basic troubleshooting steps first. For instance, running a full virus scan can help remove any malware that may be causing the error. It's also a good idea to back up any important files before proceeding with the fixes to prevent data loss in case of unintended consequences. Once you've taken these precautions, you can then proceed to try the solutions provided.

Solution 1. Check your computer for memory problems

Memory problems can cause blue screen and stop code kernel security check failure. So how do you identify memory problems? Fortunately, Windows has built-in memory diagnostics tools to help you identify memory problems, which makes the whole process easier.

This will show you how to run the memory diagnostics tool in Windows 11/10.

Step 1. Start the memory diagnostics tool.

Type memory or mdsched in the Windows Cortana search box. Find the Windows Memory Diagnostic that best matches to run the tool, then click Run as administrator.

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Step 2. Check whether there is a problem with the tool.

Select either of the following two options to check for memory problems on your computer.

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Whatever you choose, follow the prompts to check for memory problems on your computer.

If a memory problem is found, the current memory card can be replaced with a new memory card to solve the kernel security check failure.

Solution 2. Boot Windows 11/10 from safe mode

You can boot into safe mode and see if the problem goes away. If the error kernel security check failure disappears, it means that the culprit is a program on your computer. You can uninstall it and fix the problem.

If you don't know how to boot Windows 11/10 from safe mode, follow the detailed steps below:

Step 1. Restart your computer to access the Advanced Startup options menu.

1. Open the Settings in either of the following ways.

Press the Windows key + I on your keyboard to open Settings, or right click the Windows Start button and select Settings.

2. Choose Update & Security > Recovery.

3. Under Advanced Startup, select Restart Now.

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Step 2. Boot from Safe Mode with Networking.

After the computer restarts to the "Choose" interface, select "Troubleshoot".

Enter Advanced Options > Startup Settings > Restart.

After your computer restarts, you will see a list of options. Select 4 or press F4 to start your computer in safe mode. Or if you need to use the Internet, select 5 or press F5 for Safe Mode with Networking.

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After booting the computer from safe mode, you can determine if any software is causing the problem.

If there is no problem in safe mode, the problem is caused by software. You can identify software one by one. Once complete, you can uninstall the software that caused the kernel security check failure in Windows 11/10.

Solution 3. Uninstall, reinstall, or update hardware drivers

A kernel security check failure may because of a newly installed driver, an outdated driver, or a driver incompatibility.

If you encounter the problem after installing a new hardware driver, you can uninstall or reinstall it. If you have just upgraded to Windows 11/10 from an older version, you may need to update the driver. It is possible that the driver you used in a previous version of Windows is not compatible with the new version of Windows. Therefore, stop code kernel security check failure occurs.

First run the Windows built-in driver verification manager to check for damaged drivers. Then follow these steps to uninstall, reinstall, or update them:

Step 1. Start Device Manager.

Follow one of the following two methods to start Device Manager.

Right-click Windows 11/10 Start menu and choose Device Manager. or, enter Device Manager in the Windows search box and select the best match.

Step 2. Uninstall, reinstall, or update the drive.

Locate Disk drives on the screen and double-click it.

Select the drive that may cause the problem.

Right-click and choose Update driver or Uninstall device.

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Solution 4. Run the system file checker

Step 1. Open command prompt in Windows 11/10.

Enter cmd in the search box and right-click the best match. Then select Run as Administrator. Click Yes to continue with administrator rights.

Step 2. Run the SFC check.

Type sfc /scannow and press Enter to check and repair corrupted system files.

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It may take some time to complete the system file check. Be patient. It won't be long.

How to recover lost files when computer gets BSOD error?

If your data is lost due to some of the above operations and you do not back up the data, you are advised to Download and run the latest version of DiskGenius (Free Download DiskGenius Online) immediately. The earlier you take action, the greater the possibility of data recovery. You can follow these steps for data recovery in any case:

Step 1. Create a bootable USB drive for DiskGenius WinPE edition and boot computer with this USB drive.

Step 2. Select the hard drive where the data is lost and click the File Recovery button, then click Start.

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The scanning process of DiskGenius takes some time.

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Step 3. Double-click to preview the files listed after the scan.

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Step 4. Right-click the file that can be previewed and choose Copy To to restore the required data.

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FAQs about fixing Kernel Security Check Failure in Windows 11/10/8/7

1. What is Kernel Security Check Failure?

Kernel Security Check Failure is a Blue Screen of Death (BSOD) error that occurs when a critical data structure in the operating system is modified or corrupted, leading to system crashes and instability.

2. What causes Kernel Security Check Failure?

There are several factors that can cause Kernel Security Check Failure, including outdated or corrupted drivers, hardware issues, system file corruption, and malware infections.

3. How can I fix Kernel Security Check Failure?

There are several methods you can try to fix Kernel Security Check Failure, including updating drivers, running system file checker tool (sfc/scannow), checking hardware components, and running a malware scan.

4. Can I prevent Kernel Security Check Failure from happening in the future?

Yes, there are several things you can do to prevent Kernel Security Check Failure from happening in the future, including keeping your drivers updated, scanning your system for malware regularly, and backing up your important data on a regular basis.


Kernel Security Check Failure errors may cause the system to fail to start properly and may result in data loss. You can solve this problem by upgrading kernel mode drivers, checking hardware devices, running system file checkers, and running memory diagnostic tools. We suggest that you back up your data before attempting these steps. I hope this article can help you solve this problem. Thank you for reading!

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