The Kernel Security Check Failure can be a recurring problem once your computer has succumbed to it, until resolved. This is a type of Blue Screen Of Death (BSOD) error of Windows that is rather not as harmful;
but the possible repetitiveness and randomness of the error results in loss of unsaved data that you might be working on as it crashes active programs and puts the reliability of the system in question. The error may occur at some point while you are working, or it would not even allow you to log in to your system at the start. This is a system failure caused due to either of: incompatibility of device drivers, damage of drivers, memory incompatibly or corrupt system data.
Because of the newer software updates of the system, the hardware may lose their compatibility. This is commonly faced after upgrading to Windows 10.
Searching the minidump files which Windows creates when the computers faces a BSOD and crashes can help to understand the reason for the Kernel Security Failure Error. Information about the error is consisted in these files and they are saved as .dmp files. Also check out article for solving wsappx issue.WhoCrashed and BlueScreenView utilities can be used to search the minidump files in Windows 10.
Use the following methods to solve this problem. If you cannot access your computer, you can boot up your PC in safe mode and proceed.
- Protect from Viruses and Malicious Apps:
Viruses or other malicious apps may have damaged the Windows system files. Do a full deep scan for such malign software and get rid of all, which are found to be a problem. Run the antivirus software and protect your computer from further dangers.
- Repair Missing and Corrupted System Files:
Run the System File Checker tool to check the system files for any corrupted or missing ones. This can be done by pressing Windows + X on your keyboard. Go to Command Prompt/Windows PowerShell (Admin). Select ‘Yes’ in the pop up window and you will be taken to the command prompt. In this window type the command: sfc/scannow and press Enter. The scan can take a bit longer time; do not interrupt the scan. This process automatically replaces corrupted or missing files. After the completion of this process, reboot your PC.
- Check hard drive for errors:
The hard disk can be checked for errors by scanning. To do this, press Windows + X, and then press A. Select ‘Yes’ on the Windows PowerShell pop window that appears. Here type: chkdsk/f/rC: and hit Enter key. The disk scan can be time consuming. Do not interrupt the scan. Sometimes for this process to be done, you may be required to reboot your PC in order to free some space needed for the process. If so, reboot the system.
- Check RAM for errors:
The Kernel Security Check Failure Error can also occur because of incompatibility of memory. This is most often due to damage to the physical memory i.e., RAM. To check the error in your
RAM, Memory Diagnostic Tool can be used. To use this, press Windows + R and the Run dialog box will be shown. In this type: mdsched.exe and press Enter. Then the Windows Memory Diagnostic window will be opened giving two options for you to select from.
They are: To check for the problems:
- By restarting now, i.e., immediately: This is done by saving your current work and closing all the open programs before restarting.
- When you start your computer the next time: This will not be done immediately, but the next time you use your computer once you shut down.
Your PC tells you that the first option is recommended. Taking the first option can be beneficial as the risk of facing this BSOD can be reduced because of the fact that it can occur at random times.
After selecting the first option, your system will be rebooted and the RAM will be checked. If any error is detected in the RAM, you will have to purchase a new one and replace it.
- Keep Windows and Drivers Updated:
Since one of the main reasons for this error to occur is incompatibility between the system software and the hardware components, it is highly recommended that you keep both updated—Windows 10 and drivers.
If you are facing this BSOD after upgrading to Windows 10, updating all your drivers might be the solution. If this did not work, then check the above methods in case of upgrading.
Updating Windows will improve the stability of the system through bug fixes. Windows will notify you of the updates. To let your PC download and install updates automatically, enable Windows Update.
- Clean boot
There is a possibility of third party intervention to be the source for the BSOD error. When this is the reasons, performing clean boot can be useful in knowing the reason for Kernel Security Check Failure Error.
Clean boot is booting your system minimally and is used as a troubleshooting technique. To do this, go to Task Manager. Then click on Startup tab. Here you can see all the programs that start upon booting your computer. Disable all of them and restart your PC. If it works fine, there is a troubling app in those which you disabled. Enable the programs one by one and reboot your system every time. This way you can find the culprit and uninstall it.
- Restoring windows (in the worst condition):
If all these did not work, you can still fix the BSOD by restoring your computer. This rolls back your PC to its previous stage when it was working well. Restoring your PC to earlier restore points when the system was free of this error can help.
- Reset or Reinstall: (in the worst condition):
If the problem persists even after trying all methods, you can reset or re-install your operating system.
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