What causes a Kernel crash?
Kernel crash occurs due to faulty software or drivers. In addition to this, kernel crash can also occurs due to incompatible or faulty hardware, like memory problems. When the Kernel crash occurs on your system, it is advised to disconnect all the external hardware to know if it occurred due to a hardware or software issue.
Is Kernel Security Check Failure serious?
Kernel Security Check Failure is a serious issue. It is a Blue Screen of Death error. There are multiple causes of BSOD on a Windows PC, like memory issues, system file corruption, hard disk errors, etc. Since it is a serious error, you should not ignore it and troubleshoot it ASAP. If possible, repair your Windows Operating System.
Fix Kernel Security Check Failure BSOD
If you receive KERNEL_SECURITY_CHECK_FAILURE blue screen, here are a few things you may want to try. See which applies to your system and proceed with those suggestions. If you can log in normally, good; else you will have to boot into Safe Mode, enter Advanced Startup options screen, or use the Installation Media to boot to be able to carry out these instructions.
1] Run Windows Update
First, install all the latest available Windows Updates and scan your computer with your antivirus software.
2] Run System File Checker
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.
3] Run the Driver Verifier Manager
Run the Driver Verifier Manager to check for corrupt drivers. If need be, uninstall and reinstall or update the drivers.
4] Run Memory Diagnostic Tool
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
Scan your Hard Disk for errors. To run Check Disk on your System Drive (C), type the following in CMD and hit Enter: If required, restart your computer.
6] Troubleshoot in Clean Boot State
Boot in Safe Mode or Clean Boot State and see if the problem disappears. If the problem does not occur then you will have to manually identify the offending program or driver and uninstall it.
7] Enable the Legacy Boot Policy
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: Now you will be able to log into your Windows desktop or Safe Mode to carry out the troubleshooting suggestions mentioned above. All the best! See this post if you receive a Critical Process Died error in Windows 11/10.
