Wondering what kernel security check failure is? Keep reading this article to know more about this issue and the top fixes to eliminate this error. Also, if you have lost data while fixing this error, a top-notch data retrieval software, EaseUS Data Recovery Wizard Pro, would be beneficial!

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20 May 2024

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9 Min


KERNEL_SECURITY_CHECK_FAILURE Windows 11 is one of the common bug check errors that appears when your PC or its data gets corrupted or the driver or memory software becomes non-compatible with the system. It's also termed as BSOD, aka Blue Screen of Death. Before getting started with the fixes for the kernel security check failure below, let's understand what causes this error code to arise:

⚠️Incompatible or malfunctioning hardware Unseated RAM chips, HDDs, or vulnerable connectors can create a stop code. Therefore, you must check that every hardware component is fastened safely, mainly when your PC was opened recently.
💻Outdated Windows version You should stay updated with the latest OS version, as the fresh updates might resolve bugs.
❌Corrupted system files Even Microsoft releases impaired upgrades that cause the system to conk out without the user's knowledge.
💽Incompatible drivers The older device drivers or program files might develop these BSOD errors out of the blue.

As you've understood the reasons for this error, now it's time to learn how to recover files from the blue screen of Windows 10 or 11 before diving into the fixes.

Kernel Security Check Failure Windows 11

Recover Data from BOSD Computer with Recovery Software

This BSOD or KERNEL_SECURITY_CHECK_FAILURE Windows 11 may lead to data loss at times. So, how do you recuperate the data? By taking the assistance of EaseUS Data Recovery Wizard Pro software, you can retrieve different types of data after BSOD. This top-notch data retrieval software can develop a bootable media, which can assist you in resolving an issue regarding your system.

 Download for Win Recovery Rate 99.7%
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EaseUS software is endowed with robust and high-security data recovery competence that can assist you in getting missing files back efficiently. The best features of EaseUS are the following:

Step 1. Create a bootable disk

Launch EaseUS Data Recovery Wizard, choose "Crashed PC" and click "Go to Recover".

choose crashed pc recovery

Select an empty USB to create the bootable drive and click "Create".

⚠️Warning: When you create a bootable disk, EaseUS Data Recovery Wizard will erase all data saved in the USB drive. Back up important data beforehand. 

create bootable USB

Step 2. Boot your computer from the bootable USB

Connect the bootable disk to the PC that won't boot and change your computer boot sequence in BIOS. For most users, it works well when they restart their computer and press F2 simultaneously to enter BIOS.

Set to boot the PC from "Removable Devices" (bootable USB disk) beyond Hard Drive. Press "F10" to save and exit.

restart from bootable USB

Step 3. Recover data from a crashed system/PC

After booting from EaseUS Data Recovery Wizard bootable disk, select the drive you want to scan to find all your lost files. Preview and recover the files you need to a safe location.

💡Tip: You can restore data on the local disks, external hard drives, and also the cloud storage.

recover lost files

Download this professional data retrieval software now! Also, share this page with your social media friends to inform them about this best tool.


How to Fix Kernel Security Check Failure in Windows 11

We'll provide 9 different solutions to help you solve this blue screen of death problem in Windows 11:

Before diving into the fixes of ruling out kernel security check failure errors in Windows 11, let's take a look at the outlines of the video:

  • 00:17 Update Windows 11
  • 00:39 Use the Windows Memory Diagnostic Tool
  • 00:56 Run an SFC and a CHKDSK scan
  • 01:23 Update optional drivers

Fix 1. Enable Legacy Advanced Boot Menu

Users have given feedback on turning on the outdated version of the advanced boot option, which may assist in fixing this "KERNEL_SECURITY_CHECK_FAILURE Windows 11" error. The steps are the following:

Step 1. Enter the "Windows RE" by shutting down your Windows 11 PC and restarting it. This needs to be repeated twice.

Step 2. Hit "Troubleshoot"> "Advanced Options"> "Command Prompt".

command prompt in Windows RE

Step 3. Type C in the "Command Prompt" window, and hit the "Enter" button. 

Step 4. Type in BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY and hit the "Enter" button.

Type the command and hit the enter button

Step 5. Type "Exit" and hit the "Enter" button to exit the "Command Prompt". Now, restart your PC.

Fix 2. Update Drivers in Safe Mode

If you have damaged Windows system files or incompatible drivers, you might find it challenging to boot your Windows 11. In that case, you have to update drivers in safe mode with the steps below:

Step 1. Open the "Run" window by typing "msconfig" and hit the "enter" button.

Step 2. Once the "system configuration" box opens, hit the "boot" tab and search for the boot options.

Step 3. Tick the "safe boot box" and hit the "apply" button followed by "OK".

check the Safe Boot box

Step 4. Another system configuration box will ask you to restart or exit without reboot. Now, you need to click "Restart," and your PC will reboot in Safe Mode.

Fix 3. Uninstall Recently Installed Software in Safe Mode

Go through the steps below to uninstall recently installed applications in safe mode:

Step 1. Enter the "WindowsRE," hit "Troubleshoot"> "Advanced options"> Startup settings." Now, hit the F4 button to turn on "Windows Safe Mode".

Select enable safe mode

Step 2. Opt for "Windows + S" to launch the search box, type Control Panel, and hit the "Enter" button.

Step 3. Hit "Programs" > "Programs and Features" > "Uninstall a program". Opt for a recently installed program, right-click, and hit "Uninstall".

uninstall program

Step 4. Confirm your preferences, and wait for a while for the completion of the uninstall process. Finally, restart your PC.

If you like the steps, please share them with your friends on social media.


Fix 4. Run Windows Memory Diagnostic

Memory issues might be a reason for kernel security check failure in Windows 11. If you're wondering how to find out that the memory problems cause bug checks, there's a built-in memory diagnostic tool in Windows. The steps to run the Windows memory diagnostic tool are the following:

Step 1. Hit "Windows + S" in Windows Memory, and opt for "Run as administrator" under Windows Memory Diagnostic.

Step 2. Select the "Restart now and search for problems (recommended)" option, and allow Windows Memory Diagnostic to run.

Select restart now and check for problems

Fix 5. Run CHKDSK Command

Check disk is another top-notch tool to be employed for rummaging for damaged files. To run the CHKDSK tool, you need to follow the steps below:

Step 1. Launch an extended "Command Prompt" in the Windows Terminal, type or paste the chkdsk /f g: command, and hit the "Enter" button to execute it.

Type or paste the command and hit the enter button

Step 2. Now, you will be asked to organize the check the next time your Windows 11 reboots. So, you have to hit "Y" and hit the "Enter" button.

Step 3. Restart your PC for the CHKDSK tool to run, and see if it eliminates the error.

Fix 6. Run SFC Command

Windows SFC scannow is a top-notch utility that can assist in checking and repairing damaged system files. Since the damaged system file is a vital cause of KERNEL_SECURITY_CHECK_FAILURE Windows 11 error, you may fix this with the steps below:

Step 1. Hit the "F6" button in the "Startup Settings" window to turn on safe mode with the command prompt.

Step 2. To access the "Command Prompt," press "Windows + S," type in cmd," and select "Run as Administrator".

run Command Prompt as administator

Step 3. Type in sfc /scannow in the Command Prompt window and hit the "Enter" button to execute the command.

Type the sfc scannnow command and hit the enter button

Step 4. It's essential to wait attentively for the inspection and restoration procedure to finish after performing the SFC scanning.

You can also gather more solutions to repair Windows 11:

repair Windows 11

How to Repair Windows 11 and Fix Corrupted Files [2023 Guide]

Have issues with your Windows 11 computer? Your Windows 11 PC freezes? Do you encounter Windows 11 system crashing, or this PC can not run Windows 11? Read more >>

Fix 7. Run Windows Troubleshooter in Safe Mode

Windows 11 possesses a built-in troubleshooter that helps troubleshoot different issues. The steps are the following to run Windows Troubleshooter in safe mode.

Step 1. Use "Windows + I" in safe mode to launch "Windows Settings," and opt for "Update & Security."

Step 2. Move to the "Troubleshoot" tab on the left side, and on the right one, you will notice the troubleshooter about the "Blue Screen."

Step 3. Now, select the "Run the Troubleshooter" button.

 Select run the troubleshooter

Share these steps with your friends on social media.


Fix 8. System Restore Windows 11

In case you have created a system restore point prior to the blue screen error in Windows 11, System Restore Windows 11 can retrieve your PC to a previous point in time to resolve it.

Step 1. Enter the "WindowsRE," and opt for "Troubleshoot" > "Advanced Options" > System Restore".

systeme restore Windows 11

Step 2. Follow the on-screen instructions to choose the right restore point, and wait for the process to finish.

Fix 9. Reinstall Windows 11

If nothing works, it's time to reinstall Windows 11. Follow the steps below:

Step 1. Restart your PC into the BIOS to modify the boot priority items, and set the CD-ROM as the maximum priority.

Step 2. After restarting, keep pressing any keys to complete the Windows 11 setup.

Select the second option

Step 3. Now, opt for the disk to install Windows 11, and select "Next." Wait for some time to let the installation be over > Go through the on-screen prompts, and let the Windows 11 start.

To Wrap Up

Is the BSOD Error still causing apprehension? Are you still concerned that the blue screen of death error could permanently delete your data? At this point, you can attempt the fixes listed above and utilize EaseUS Data Recovery Wizard Pro to swiftly retrieve data kernel security check failure.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.7

Kernel Security Check Failure FAQs

Go through the FAQs below to understand the topic better:

1. How do I stop kernel security check failure?

In order to eliminate this kernel security check failure, you need to boot your Windows PC in safe mode, run SFC, check your PC for memory issues, and perform a clean install of the OS.

2. Can insufficient RAM cause kernel security check failure?

A significant cause of the Kernel Security Check issue could be malfunctioning RAM in your RAM card or storage. You can use the Windows Memory Diagnostic Tool to see if there are any issues with the memory.

3. Is kernel security check failure severe?

The Kernel Security Check Failure error is dangerous since it results in a Blue Screen of Death error. There has been an unexpected breakdown of the system that destroys data.

4. Do I need to boot into Safe Mode to fix the kernel security check failure?

Malicious Windows updates, misconfigured registry data, out-of-date or damaged drivers, and viruses are the causes of this error. Updating your drivers and launching the computer in safe mode can help fix this error quickly.

  • Updated by

    Cedric Grantham is a senior editor and data recovery specialist of EaseUS. He mainly writes articles and how-to tips about data recovery on PC and Mac. He has handled 10,000+ data recovery cases and is good at data recovery of NTFS, FAT (FAT32 and ExFAT) file systems, and RAID structure reorganization. …
  • Written by

    Dany is an editor of EaseUS who lives and works in Chengdu, China. She focuses on writing articles about data recovery on Mac devices and PCs. She is devoted to improving her writing skills and enriching her professional knowledge. Dany also enjoys reading detective novels in her spare time. …
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