How to Fix “Kernel Security Check Failure” Error in Windows 10, 8.1, 8, 7


Encounter the Kernel Security Check Failure PC error and it prevents you from logging into your Windows PC? Don’t be pissed off. Here are top 2 fixes for the Kernel Security Check Failure error in Windows 10, Windows 8.1, Windows 8 and Windows 7.

1. Enable Legacy Advanced Boot Menu

You could try to enable legacy advanced boot menu to deal with the Kernel Security Check Failure Blue Screen error. Take these steps:

Step 1. Reboot your PC and insert your Windows installation disc and boot from the media.

Step 2. At the Windows Setup box, click Next to continue

Step 3. In the next window, click Repair your computer

Step 4. On the Choose an option screen, click Troubleshoot

Step 5. Click Advanced options

Step 6. Now select Command Prompt

Step 7. When Command Prompt window opens, type C: and hit Enter.

Step 8. On C: prompt, type the command below and hit Enter to enable legacy advanced boot menu:

BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY

2. Run SFC and Memory Diagnostic

If your Windows 10 fails to start correctly, you could also run the system file checker or run the memory diagnostic utility to fix it.

Step 1. Go to Settings, select Advanced Startup open the See advanced repair options menu

Step 2. In the new window, click Troubleshoot.

Step 3. Go to Advanced Options and click Startup Settings.

Step 4. Click the Restart button

Step 5. Open Search and type “cmd” in the search box.

Step 6. Launch Command Prompt as Administrator.

Step 7. Type the following command and hit Enter.

sfc /scannow

Note: When the scanning process completes, close the Command Prompt window.

Step 8. Open Search and type “memory” in the search box.

Step 9. Select Windows Memory Diagnostic

Step 10. Run as administrator and select Restart now.

After a PC reboot, the system will automatically check your RAM memory problem and offer possible reasons why you get the Kernel Security Check Failure error.

If you find other workable fixes for the Kernel Security Check Failure Blue Screen error in Windows, please don’t hesitate to share with us in the Comments section below. Thanks.

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