How to Fix Kernel Security Check Failure in Windows 10

In case you encounter this problem, the article will teach you a few tasks that will help you get rid of this error.

Firstly, install the latest Windows Updates available and then scan your PC using the antivirus software installed on your PC. You can also run – System File Checker so that the corrupted files are replaced, in case there are any. You should also check your hard disk, RAM or any other hardware accessories/ components if connected properly.

Try to boot in Safe Mode/Clean Mode and check if the error vanishes. In case the error is eliminated then you need to determine the problem causing driver or program and then un-install it.

Run – Driver Verifier Manager to see if there are any corrupt drivers. If required just uninstall them and install it again or just update your drivers.

Windows 10 comes with a Memory Diagnostic tool which can be utilized to check if there are any memory problems for example test RAM on the PC. Run it and check if it shows up any problems.

Scan disk to check errors – In order to run – Check Disk on C: type the given below command in cmd and press enter

chkdsk /f C:

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If needed restart your PC

In case you are not able to log in to Windows PC, boot into – Advanced Startup options and then open the command prompt (elevated). Here is how the process goes

On the particular screen, select – Troubleshoot—Advanced options—Command Prompt. With CMD, you will be able to get advanced built-in Windows tools with ease.

In case you want to access the Advanced startup options directly while using your Windows 10, just go to – Settings app in Windows 10 –Update & Security—Recovery—Advanced startup and then click the button- Restart now

Next you need to enable – Legal Boot Policy and to do this you need to type the command given below and press Enter:

bcdedit /set {default} bootmenupolicy legacy

This will help you to log to Windows desktop/Safe Mode to perform troubleshooting tasks given above

Check for Viruses

In case you are not able to figure out the issue, try to carry out a virus/ransomeware check.

Install latest Windows updates and then run your antivirus software. In case viruses are found take required action to delete them from your system.

This error happens occurs due to various factors like memory issues, driver incompatibilities, viruses and hard disk failures. 

System Restore

1. Boot your PC via Windows installation media (DVD/ USB).
2. Press- Next from Language options
3. Select – Repair your computer.
4. Click – Troubleshoot– -Advanced Options–System Restore

5. Choose the earlier working state* and then click – Next

Lastly, check your selection and then press- Finish and then press – Yes if you agree

Wait till the restore process finishes.

 Your PC will restart a number of times while restore process is going on. Once the process gets over you can access Windows without any issues.

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