Last updated on February 10th, 2024 at 01:04 pm

The KERNEL_SECURITY_CHECK_FAILURE blue screen on Windows occurs when the system data on your computer becomes corrupted, or your computer’s memory or driver software becomes outdated. In most cases, corruption of system files, faulty hardware, or outdated drivers are the reasons behind “Kernel Security Check Failure”. Don’t panic if you just received this BSOD error message. We have some fixes for you in this guide. So, without any further ado, let’s get started with the guide. 

What Causes The Kernel Security Check Failure?

It is important to understand the factors that contributed to an error when troubleshooting it. To understand why Kernel Security Check fails, let’s examine the causes:

• Corrupted system files.
• Misconfigured or incompatible hardware. 
• Outdated or incompatible drivers.
• Using an old version of Windows.

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How to Fix Kernel Security Check Failure Windows 11

There are many users who experience the “kernel check failure” blue screen of death (BSOD) error. However, you don’t have to worry because the following methods will help fix this problem:

Fix 1: Use the Windows Memory Diagnostic Tool

The cause of “Kernel Security Check Failure” errors can be linked to memory problems. To find out if your computer’s memory needs to be repaired, you should run Windows’ memory diagnostic tool.

1. Search for Windows Memory in Windows search, and select Run as administrator under Windows Memory Diagnostic.
2. If the option Restart now and check for problems appears, click it and let the Windows Memory Diagnostic run.
   
   

There might also be a memory issue involved in Windows 11’s Kernel Security Check Failure. Using the above scan, you should be able to get a report about the condition of your memory. In some cases, replacement of memory might be necessary if the memory is faulty.

Fix 2: Unplug All External Devices And Restart The Computer

It is possible for compatibility issues with external devices to trigger the Windows 11 blue screen kernel security check failure. The best way to resolve this issue is to unplug all external devices before restarting your computer. 

The purpose of this step is to figure out whether any of the external devices connected to your computer are causing the error so you can isolate and resolve the compatibility problem.

1. Turn off your computer completely.
2. Remove all peripheral devices from your computer, such as keyboards, headphones, external hard drives, etc.
3. If the error persists, reconnect all external devices and restart your computer.

Fix 3: Update Your Drivers

Kernel Security Check failure errors may appear on your device due to outdated drivers. Here, you can find information about updating drivers and potentially fixing issues they cause.

In this case, a driver update is only a potential fix for the blue screen problem. So, here is how you can do it:

1. On your keyboard, press Windows Key + X and then choose Device Manager.
2. Expand all sections and check if any drivers are outdated. Generally, the driver will display a yellow exclamation mark if it’s experiencing problems.
3. Using the context menu, right-click on any driver that requires updating and choose Properties.
   
   
4. On the Driver tab, click the Update Driver button.
   
   
5. If Windows 11 cannot find a driver automatically, you can locate it manually by using the search function.
6. Please wait until the driver installation has been completed. In case other drivers show an error or are outdated, update them as soon as possible.
7. To finalize the changes made by the new driver(s), we recommend restarting your computer. It is now time to test whether the Kernel Security Check Failure BSOD error is still present.

Fix 5: Install Windows Updates

As a Windows user, it is very important that you check for the new Windows updates because Microsoft constantly updates Windows. Here are the steps you need to follow:

1. On your keyboard, press Win + I to open the Windows Settings window. 
2. Click on Windows Update.
3. Finally, click Check For Updates.
   
   

Fix 6: Run System File Checker

You will be able to scan your whole system for errors by running the System File Checker (SFC). Follow these steps to run SFC on Windows 11:

1. Open the CMD using admin rights.
2. To start the process, type or paste the following command and press Enter: sfc /scannow
   
   

Fix 7: Use the CheckDisk Tool

It is possible that a faulty drive will cause Windows 11 to show you Kernel Security Check Failure at startup. Using the CHKDSK command, you can scan your hard drive for problems and fix them if possible.

1. Open CMD using admin rights.
2. Afterwards, enter the following command into the Command Prompt: chkdsk C: /f /r /x
   
   
3. Your system will now prompt you to schedule the check for the next time it restarts. If you want to do that, press Y and then press ENTER.

Once the check disk tool has run, restart your Windows 11 PC to see if the error has been resolved. If the error persists, try the next fix.

Also Read: 

1. Fix Error 0x8096002A: No Error Description Available
2. How to Fix the Install Error 0x80070103 in Windows 11
3. How To Fix Windows Activation Errors Appears On Your PC

Fix 8: Reset the Windows

Lastly, resetting Windows may be the only way to solve your problem. Although this method works in most cases, it should always be the last option owing to the complexity and loss of data involved. 

During a system reset, you can choose whether to completely wipe the system and reinstall Windows or keep the files while removing the applications and settings. You will have to make this decision. So, let’s see how to reset your device:

1. Launch the Settings app as discussed earlier, and in the System tab, select Recovery.
2. Under Recovery options, click on Reset PC next to Reset this PC.
   
   
3. It will now pop up a window asking you to reset your PC. Next, you will need to decide whether you want to keep your files or remove everything. Click the desired option. Our choice was to remove everything, the second option.
   
   
4. Choose Local reinstall when asked how you want to reinstall Windows.
5. Click on Next to proceed if you are new to resettings. Nonetheless, if you understand the concept, you may adjust the settings as per your preference by clicking Change settings.
6. At the bottom, click Reset to start the process of resetting your PC. Once the PC resets, the Kernel Security Check Failure error will disappear.

So, that’s all we have for you on how to fix Kernel Security Check Failure BSOD on Windows 11 PC. It’s our hope that this guide has helped you. In case you need more info regarding the Kernel failure error, comment below and let us know. 

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