Kernel Security Check Failure error in Windows 10

If you receive a Kernel Security Check Failure Stop Error or Blue Screen on Windows 10/8/7, then this post has some troubleshooting steps you may want to try out. This error is usually caused due to Memory or Driver incompatibility issues or corruption of system data.

Kernel Security Check Failure

If you face this issue, here are a few things you may want to try. See which applies to your system and proceed with those suggestions.

1] First, install all the latest available Windows Updates and scan your computer with you antivirus software. You may want to also run System File Checker to replace corrupted system files, if any. You may want to also physically ensure that your RAM, Hard Disk, and other hardware components and accessories are connected properly.

2] Boot in Safe Mode or Clean Boot State and see if the problem disappears. If the problem does not occur then it you will have to identify the offending program or driver and uninstall it.

3] Run the Driver Verifier Manager to check for corrupt drivers. If need be uninstall and reinstall or update the drivers.

4] Windows 10 has a Memory Diagnostic Tool which you can use to check for possible memory problems, including testing of the Random Access Memory (RAM) on your computer. Run it and see if it throws up any issues.

5] Scan your Hard Disk for errors. To run Check Disk on your System Drive (C), type the following in CMD and hit Enter:

chkdsk /f C:

If required, restart your computer.

6] If you cannot log in to your Windows computer, boot into Advanced Startup Options and open an elevated command prompt window. The process is explained there in detail.

Once at that screen, select Troubleshoot > Advanced options >  Command Prompt. Using the CMD, you can access the more advanced built-in Windows tools easily.

If you wish to directly access these Advanced startup options when working on your Windows 10, you can do so via the Settings app of Windows 10 > Update & Security > Recovery > Advanced startup and click the Restart now button.

Now you will have to enable the Legacy Boot Policy. Type the following command and hit Enter:

bcdedit /set {default} bootmenupolicy legacy

Now you will be able to log into you Windows desktop or Safe Mode to carry out the troubleshooting suggestions mentioned above.