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How to fix Kernel Security Check Failure in Windows 10?

There are not a lot of reasons that can trigger a BSOD in Windows 10. However, the ones that do are quite the headache. While Windows is generally a pretty well-made and polished operating system, just like tech, it isn’t immune to random bugs or glitches. 

In this article, we’re looking at some fixes for the Kernel Security Check Failure in Windows 10. 


Scan your PC

The first thing you should do is run a complete and in-depth antivirus scan on your machine. Often malware trying to interact with the OS’s kernel would cause sustained high usage, eventually leading to such problems.

Also read: Windows 10 error code 0xc0000001: 6 Fixes


Look for updates

To update Windows 10, follow the steps given below.

Step 1: Click on the Start button at the bottom left of the screen, represented by the Windows icon.Step 2: From the menu, select the Settings option.Step 3: Now, click on the Update and Security tab.Step 4: Here, you will see all the updates that Windows have released. Click on the Download button to download all the updates. Now restart your PC when the update is done, and it should work just fine. 


Use the bcdedit command

You can use the bcdedit command to enable the legacy advanced boot menu and see if that solves your problem. 

Step 1: Open the Update & Security setting.

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Step 2: Then click on Recovery on the side panel to the left and then select Restart now below Advanced startup.

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Step 3: On the blue screen recovery window, click on Troubleshoot.

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Step 4: Select Advanced options.

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Step 5: Then select Command Prompt.

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Step 6: Once the Command Prompt opens, type the following commands one at a time.

BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY

Now restart your PC, and the Kernel Security Check Failure error should’ve been resolved.

Also read: TwDsUiLaunch.exe: Everything you need to know


Run an SFC scan

Corrupt files are the number one reason why your PC might be behaving weirdly. Here’s how you can get rid of them and potentially resolve your issue. 

Step 1: Press Windows Key + S to bring up the Cortana/Search box and search for Powershell. Open Windows Powershell from the search results.

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Step 2: Type sfc /scannow to scan your system for issues. 

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Step 3: If the SFC scan finds any problem, use the following command to resolve them. 

DISM /Online /Cleanup-Image /RestoreHealth
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Restart your PC, and the Kernel Security Check Failure error should be resolved. If that doesn’t help, you can also run a DISM scan to fix any other errors by using this guide


Run system restore

Lastly, if nothing else works, try restoring your system to a previous point where it was functioning properly. 

Step 1: Press the Windows key and search for Reset this PC. Then, launch the Recovery setting from the search results. 

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Step 2: Click on Open System Restore. 

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Step 3: Select the recommended restore point and click the Next button to proceed. 

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Also read: Windows update stuck at 0: 6 Fixes

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