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


Updated on Dec. 14, 2021

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

A blue screen, called a Blue Screen of Death (BSOD), usually occurs when using the system. When BSOD comes along, nothing about your computer is the same anymore. BSOD is caused by a kernel security failure. There are many reasons why you might encounter kernel security check failure in Windows 11/10, but don't worry, in the guide below, you can find four simple solutions to fix kernel security check failure in Windows.

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If you experience a blue screen error when starting Windows 11/10, you will see a blue screen and a specific stop code. There are various stop codes when you encounter a blue screen of death. However, many users reported experiencing the stop code KERNEL_SECURITY_CHECK_FAILURE. As a result, many users sought help to fix the Windows 11/10 kernel security check failure. If you encounter a Windows kernel security check failure stop code, how do you fix it? Actually, it's not a big deal. Before I show you the solution, you can look at the main causes of blue screen and kernel security check failure:

-The installed software conflicts.

-Memory problems

-Virus infection

-Driver incompatible or outdated issues

-Corrupted Windows system files

-Damaged hard disk

Once you know the cause, you can try different solutions to fix kernel security check failure depending on your situation. Before you try the fixes in this article, you can make some simple fixes, such as performing a full virus scan.

I also recommend backing up important files ahead of time in case you accidentally lose your data. After that, you can try the solutions offered.

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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If your computer has the same problem, just try the solutions above to fix the kernel security check failure in Windows 11/10. If you have any questions about how to fix kernel security check failure, you can contact us by email and we will reply as soon as possible. If you have a better solution, please don't hesitate to share it with us. If you need any help with DiskGenius, please feel free to contact us.

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