How To Fix ‘Kernel Security Check Failure’ Error in Windows 10


Windows 10, one of Microsoft’s most widely used operating systems, is known for its stability and security. However, like any complex software, it is not immune to errors and issues.

One such error that Windows 10 users may encounter is the “Kernel Security Check Failure” error. This error can be alarming, as it often results in a system crash, commonly known as the Blue Screen of Death (BSoD).

In this comprehensive guide, we will explain the meaning of the “Kernel Security Check Failure” error, its significance, what causes it, and effective solutions to help you resolve this issue and ensure the stability of your Windows 10 system.


Understanding the Kernel Security Check Failure Error

Before we dive into the details, let’s break down the error itself:

  • “Kernel” refers to the core part of the operating system that manages hardware, memory, and system resources.
  • “Security Check Failure” indicates that a problem occurred while the kernel was checking the security of system processes and data.

In simpler terms, the “Kernel Security Check Failure” error occurs when the Windows 10 operating system detects a security issue related to the kernel, which can result in a system crash to prevent potential damage or data loss.

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Common Symptoms of the Error

When you encounter the “Kernel Security Check Failure” error in Windows 10, you may experience the following symptoms:

  1. Blue Screen of Death (BSoD): The primary symptom is the appearance of the blue screen with the error message, followed by an automatic system restart.
  2. System Crashes: The error often leads to system crashes, causing your computer to unexpectedly shut down and restart.
  3. Data Loss: In some cases, a BSoD caused by this error can result in data loss if you have unsaved work.

Now that we understand the symptoms, let’s explore the potential causes of the “Kernel Security Check Failure” error.

Possible Causes of the Error

To effectively troubleshoot and resolve this error, it’s crucial to identify its underlying causes. Here are some common reasons behind the “Kernel Security Check Failure” error in Windows 10:

  1. Faulty Hardware: Hardware components such as RAM (Random Access Memory), hard drives, or SSDs that are failing or malfunctioning can trigger the error.
  2. Outdated or Incompatible Drivers: Corrupted, outdated, or incompatible device drivers, especially those related to hardware components like graphics cards or network adapters, can lead to the error.
  3. Software Conflicts: Conflicts between software applications or third-party drivers can cause the error. This includes antivirus or security software.
  4. Memory Issues: Problems with your computer’s memory, including faulty RAM modules or improperly seated RAM, can result in the error.
  5. Corrupted System Files: Corrupted or missing system files can lead to unexpected behavior, including the “Kernel Security Check Failure” error.
  6. Overclocking: Overclocking your CPU or RAM beyond their stable limits can result in system instability and the error.
  7. Windows Update Issues: Problems with Windows updates or incomplete updates can trigger the error.

Now that we’ve identified the potential causes, let’s explore the solutions to fix the “Kernel Security Check Failure” error:

Kernel Security Check Failure Error in Windows 10

The popularly known ‘Kernel security check failure Blue Screen of Death (BSOD)’ error has been reported the enormous number of users. In this article, we have explained why this error arises and how to fix it efficiently.

There are a number of reasons as to why this error occurs, for instance, memory issues, virus infections, etc. The most prominent one is that when you update your Windows to a new version and few of the system drivers are not compatible with some features of the updated version. Thus, fails working well.

As a result, this error could lead to two misfortunes – users can either enter into their Windows 10 PC and the error “Kernel Security Check failure” Blue screen of Death keeps displaying every now and then or users might not be able to log in to their operating system as the system pops up the error message whenever it is switched on.

This is quite frustrating to those users who work with their system often.

Methods to Fix Kernel Security Check Error

Follow every step mentioned in this article to resolve your error.

Method-1: Enable Legacy Advanced Boot Menu

Step-1: All you need is a Windows 10 system and an optical drive to implement this method. Now restart your computer and insert Windows 10 bootable media into the optical media drive. In case you are baffled as to how to create Windows 10 bootable media than visit the link mentioned below and proceed further.

Step-2: Then click Next on the Windows setup box.

Step-3: In the proceeding page, locate Repair your computer option and tap on it.

Step-4: Here you will be asked to choose an option from the listed buttons, click on Troubleshoot option.

Step-5: Under the troubleshoot section, click on Advanced options.

Step-6: From the Advanced options window, choose Command prompt and open it.

Step-7: On the command prompt type C: in the command line and hit Enter.

Step-8: As you can see you have now entered the C drive, so type the command given below and hit enter to enable the legacy advanced boot menu.


Step-9:  After executing the required commands, exit the command prompt by typing EXIT onto the command line and pressing enter.

Step-10: Finally go to the previous ‘Choose an option’ Screen again and this time clicks on Continue and starts your system normally.

In case this method didn’t seem to resolve your error, do not worry we have many methods left to try.

Method-2: Use System File Checker and Memory Diagnostic

Step-1: In case you have trouble launching your system normally or Windows 10 seems to fail every time you launch the system then go to Settings > Advanced Startup and open the ‘See advanced repair options’ menu.

Step-2: Now from the listed options choose troubleshoot and tap on it.

Step-3: Then visit the Advanced options window and click on Startup Settings.

Step-4: Reboot the system by clicking on the Restart button found on the bottom right side of the screen.

Step-5: This should result in the system reboot.

Step-6: After the PC has been booted, launch the Command prompt window by hovering your mouse to the top right corner of the window and type cmd in the search box. Finish by pressing Enter.

Step-7: If you see command prompt option listed for you, right-click on it and select Run as administrator. Choose yes if prompted to use Administrator privileges.

Step-8: Then type the command: sfc/scannow onto the command line and hit enter.

Step-9: This command will scan your system for any corrupted or damaged files and helps the user to fix them.

Step-10: Once the scanning process is over. Type EXIT and hit enter to quit the Command prompt window.

Step-11: Again hover the mouse over to the top right corner of the screen and click on the search box.

Step-12: Type the text ‘memory’ in the search box and from the listed options. Select the Windows Memory Diagnostic option.

Step-13: right click on the mentioned option and select Run as administrator. Choose yes if prompted to work with Administrator privileges.

Step-14: Under Windows Memory Diagnostic box, choose the button Restart now and check for problems.

Step-15: Once the reboot is completed, your operating system will automatically check your system RAM and list out the reasons which could be causing the Blue Screen of Death error.

Step-16: Finally, reboot your computer normally to apply the changes and see if the Kernel security check failure error persists.

Method-3: Check the Memory Slot

One of the common and simplest reasons for the error occurrence is when the memory slot is not positioned properly into the socket. We advise you to check whether the memory slot is placed correctly into the socket for it to function productively.

In case the error seems to be reappearing often, there is no harm to try and replace the memory slot or change the slot in which it is plugged into the motherboard.

Method-4: Check your Hard Drive

It is in the best interest of you to check your hard drives regularly to make sure they are functioning properly. Also, double-check if your hard drive is correctly plugged into the device.

It is also a good thought to try changing the hard drive in case you have an extra, to check whether it starts efficiently.

Furthermore, start your operating system and see if the Windows kernel error is still displayed for you. No need to panic as we few more methods to experiment with.

Method-5: Update your PC

Even though Windows update comes up with its own set of issues, it can also solve a quite few. It is always a good habit to work with the latest version of Windows to enjoy the full system utilities. As most of us are aware that Windows constantly provides updates to enhance system performance and fix some of the issues.

Now to update the Windows to its newest version visit the Windows update section. This can be accessed by easily typing updates in the search box found at the bottom of the screen.

Move to the Windows update and check for any recent updates. If available install them.

Method-6: Scan your PC

It is indeed true that malware and various viruses cause a reasonable amount of issues in the system. Kernel security check Failure is certainly one among them.

We recommend you to run a full system scan whenever possible to detect and eradicate in case any virus is found.

To perform a full system scan you either require Windows defender, Windows built-in antivirus or the third-party antivirus applications are also equally productive.

Follow the steps mentioned below sequentially to perform a full system scan in Windows 10:

Step-1: Go to start. Type defender in the search and hit enter. Double click on the Windows defender option to start it.

Step-2: On the left corner of the screen, you can see a number of icons displayed for you. Choose the shield icon to launch the Virus and threat protection window and click on it.

Step-3: In the displayed window, click on the Advanced scan found at the bottom of the window.

Step-4: Finally check the full scan option to run a full system malware scan.

It is possible that the Windows defender might not be able to remove all the malwares it detected. In such cases, you can use third-party antivirus applications to remove the malwares.

There is a handful number of applications in the market which works best for Windows laptop. If you do not have any specific application in your mind then we recommend you download Bitdefender as it is rated as the best Antivirus in the world to safeguard your system.

Visit the link:  to download Bitdefender.

If the error is not resolved even with the third-party antivirus then you might have to restore your operating system to the point where your system did not face this issue or at worst scenario reinstall your operating system.

Method-7: Check your disk for errors

Step-1: Launch command prompt on your Windows 10 system to perform disk check.

Step-2: Go to Start and type cmd in the search box and hit enter. Right-click on the Command prompt option and choose Run as administrator.

Step-3: Now type ‘chkdsk C:/f command’ onto the command line and hit enter. Users can choose their own hard drive partition if they do not want to use C.

Step-4: Remember that you need to input the above-given command as it is. For instance, if you skip /f in the command press enter then chkdsk displays a message that a certain file needs to be fixed but doesn’t fix the errors. On the other hand, the command chkdsk D:/f command will automatically detect the logical issues damaging your drives and even fixes them for you.

Step-5: At the same time to repair physical issues, run the command chkdsk D:/r, and hit enter.

The only drawback of this method is that it is time-consuming. Based on the memory of your hard drive, it can take 1-2 hours to successfully complete it.

Method-8: Kernel Security Check Failure after overclock

Some users have reported that they started experiencing the error Kernel Security Check Failure error due to the overclocking of PC. If this is the case, degenerate your computer to its default configuration and uninstall any overclocking software present in your system.

Finally, restart the system to apply the changes and see if the error still occurs.

Method-9: Run System Restore

Step-1: System Restore could retrieve a lot of damage that has been caused by various errors. For instance, if you have installed a new application/software and that is the primary reason for the error. Then System Restore will uninstall all the recent applications or drivers and take your system back to the restore point.

Step-2: Microsoft offers its Windows users a particular advantage where they can use advanced recovery options to clean the operating system. ‘Reset this PC’ recovery option might also help.

Step-3: Go to Settings > choose Update & Security > click on Recovery option under the left pane.

Step-4: Under Reset this PC option you will find a button named Get Started, tap on it. Make sure to choose to keep your files.

Method-10: Run Safe Mode

Step-1: Most of the users usually do not reset their computers in the fear of losing files. If you feel the same way too then you can boot your system in Safe Mode to discover if any of your system applications or third-party applications and software is the culprit behind these issues.

Step-2: Visit the link given: and implement the step by step method to enable the safe mode.

Step-3: If the error is not displayed after booting your system in safe mode, then indeed the issue emerged because of an application or software.

Step-4: Go to your task manager and enable your applications one after the other to check the application causing the error. Once found, uninstall it.

Step-5: As we saw that the above-mentioned steps will remove the ‘kernel security check failure’ error. However, if you have a hardware failure of HDD or RAM in your system, we recommend you replace it with a new one.

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The “Kernel Security Check Failure” error in Windows 10 can be alarming, but with a clear understanding of its causes and the appropriate troubleshooting steps, you can often resolve this issue and maintain a stable and reliable computer system.

By following these solutions and adopting good system maintenance practices, you can efficiently troubleshoot and resolve the “Kernel Security Check Failure” error, ensuring a smoother and error-free computing experience on your Windows 10 system.