How we fixed Kernel Security Check Failure error for good

Ivan Jenic
by Ivan Jenic
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  • The meaning of the Kernel Security Check Failure in that one or several files failed a compatibility or integrity check and you have to update or replace it. The most common reason for this are the outdated drivers when you upgraded Windows to a new version.
  • System File Checker is a utility in Microsoft Windows that allows users to scan for and restore corruptions in Windows system files. Read everything about it in our complete guide.
  • We wrote extensively about Windows 10 errors. If you experience any other issue please refer to our hub.
fix Kernel Security Check Failure errors

10 Quick Solutions to Fix Kernel Security Check Failure

  1. Enable legacy advanced boot menu
  2. Use System File Checker and Memory Diagnostic
  3. Check the memory slot
  4. Check your hard drive
  5. Update your PC
  6. Scan your PC
  7. Check your disk for errors
  8. Kernel Security Check Failure after overclock
  9. Run System Restore
  10. Run Safe Mode

If you are reading this article, it means that you have gotten the Kernel Security Check Failure Blue Screen of Death (BSOD) error.

Many other users who upgraded their operating system toWindows 10 have experienced this issue.

Fortunately for you, by reading the lines below you will get a clue as to why you have this issue and what you need to do to fix this Windows Kernel BSOD onWindows 10.

Kernel Security Check Failure
The Kernel Security Check Failure PC error can occur for various reasons like memory issues, virus infections, and more.

However, the most common reason is that the drivers you were using for the previous Windows version are not compatible with the new Windows version.

As a result, the OS gives you the Kernel Security Check Failure error message followed by the 0x000000139 error code.

In this article, we’ll explain why this issue occurs and how you can fix it.

There are two possibilities to this issue, either you can get into your Windows 10 PC and from time to time you get the “Kernel Security Check failure” Blue Screen of Death, or you simply cannot log in to your operating system and your device gives you this error message every time you power it up.

If you cannot log in at all into Windows 10 then follow the steps below:

We’ve written extensively about Kernel security issues before. Bookmark these guides in case you need them later.

Steps to fix Kernel Security Check errors

1. Enable legacy advanced boot menu

  1. Restart your computer and insert a Windows 10 bootable media into the optical media drive. For more information on how to create a Windows 10 bootable media, check out this article.
  2. On the displayed Windows Setup box, click Next
  3. On the next page, click on Repair your computer
  4. On the Choose an option screen, click TroubleshootKernel Security Check Failure
  5. Click on Advanced optionsKernel Security Check Failure fix
  6. Now select Command PromptKernel Security Check Failure fix error
  7. On the newly opened Command Prompt window, type C: and hit Enter.
  8. On C: prompt, type the following command and press Enter to enable legacy advanced boot menu:
    • BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACYKernel Security Check Failure fix
  9. Once the command executes successfully, type EXIT to close the Command Prompt window.
  10. Go back to the ‘Choose an option’ screen, click Continue and start your computer normally.

If this didn’t help, use the solution below.

2. Use System File Checker and Memory Diagnostic

  1. If your Windows 10 fails to start correctly, go to Settings , select Advanced Startup to open the ‘See advanced repair options’ menu
  2. In the new window, left click or tap on Troubleshoot
  3. Go to Advanced Options and click or tap on Startup Settings.Kernel Security Check Failure fix
  4. Left-click the Restart button located on the lower right side of the screen.
  5. Your operating system should boot with the minimum system requirements.
  6. When your PC has booted, move the mouse over to the upper right side of the window.
  7. Left-click the Search feature located on the menu.
  8. In the search box, type cmd.
  9. Launch Command Prompt as an Administrator.kernel check failure fix
  10. Type the following command: sfc /scannow and hit Enter.Kernel Security Check Failure fix
  11. Wait until the scanning process completes. Type Exit to close the Command Prompt window and hit Enter.
  12. Move the mouse cursor again over to the upper right side of the screen.
  13. Go to the Search feature.
  14. In the search box, type memory, and select Windows Memory DiagnosticKernel Security Check Failure fix
  15. Run as administrator and select Restart now and check for problemsKernel Security Check Failure fix
  16. After reboot, the OS will automatically check your RAM and display the possible reasons as to why you get the Blue Screen of Death error.
  17. Reboot your PC normally.
  18. Check to see if the Kernel Security Check Failure BSOD error persists.

Learn everything about System File Checker and your nightmare with Windows errors will end!

3. Check the memory slot

Don’t forget to check the memory slot to make sure it’s properly placed into the socket and functioning correctly.

It is always a safe bet to try and replace the memory slot or change the slot in which it is plugged into the motherboard. Reboot your PC to see if the issue persists.

4. Check your hard drive

Make sure that your hard drive functions correctly. More specifically, make sure that it is plugged in correctly into your device. If you have a spare hard drive, try changing it to see if it starts correctly.

Now, if your operating system starts and only gives you this Windows Kernel error occasionally, continue with the following steps below.

5. Update your PC

Make sure that you’re running the latest Windows OS updates on your machine. As a quick reminder, Microsoft constantly rolls out Windows updates to improve the system’s stability and fix various issues.

To access the Windows Update section, you can simply type “update” in the search box. This method works on all Windows versions. Then go to Windows Update, check for updates and install the available updates.

Kernel Security Check Failure fix


Editor’s Note: This article continues on the next page. If you’re interested in learning more about BSOD errors, check out our wide collection of guides.

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