How to Fix Kernel Security Check Failure Error in Windows 11

Experiencing the “Kernel Security Check Failure” error in Windows 11 can be concerning, but with this detailed tutorial, you can troubleshoot and resolve the issue effectively:

How to Fix Kernel Security Check Failure Error in Windows 11

Step 1: Update Windows 11

1. Check for Updates:
   • Open Settings (Win + I) and go to “Windows Update.”
   • Install any pending updates to ensure your system is running the latest version.

Step 2: Update Device Drivers

2. Update Drivers:
   • Press Win + X and select “Device Manager.”
   • Check for any devices with a yellow exclamation mark, indicating a driver issue. Right-click and choose “Update driver” for each.

Step 3: Run Windows Memory Diagnostic

3. Check RAM:
   • Press Win + R to open the Run dialog, type mdsched.exe, and press Enter.
   • Choose the option to restart your computer and check for memory problems. Windows will run a memory diagnostic on the next restart.

Step 4: Scan for Malware

4. Run Windows Defender:
   • Open Windows Security by clicking on the shield icon in the taskbar.
   • Go to “Virus & threat protection” and run a full scan to check for malware or viruses.

Step 5: Check Hard Drive for Errors

5. Run CHKDSK:
   • Open Command Prompt as an administrator.
   • Type chkdsk /f and press Enter. Allow the tool to scan and fix any disk errors on the next system restart.

Step 6: Verify Recently Installed Software

6. Check Recent Installs:
   • If the error started after installing new software, consider uninstalling or rolling back the recent changes.
   • Go to “Settings” > “Apps” and uninstall any recently installed applications.

Step 7: Disable Overclocking

7. Disable Overclocking:
   • If your system is overclocked, revert it to default settings. Overclocking can sometimes lead to stability issues.

Step 8: Restore System Files

8. Run SFC Scan:
   • Open Command Prompt as an administrator.
   • Type sfc /scannow and press Enter. Allow the tool to scan and repair corrupted system files.

Step 9: Check for Hardware Issues

9. Check Hardware:
   • Ensure that your hardware components are functioning properly. Reseat RAM modules, check cable connections, and inspect for any signs of damage.

Step 10: Perform System Restore

10. System Restore:
    • If the error persists, perform a system restore to revert your system to a previous state.
    • Open the Start menu, type “Create a restore point,” and select the result. Click on the “System Restore” button and follow the on-screen instructions.

Step 11: Check for Third-Party Antivirus Issues

11. Verify Antivirus Software:
    • Some third-party antivirus programs can cause conflicts. Temporarily disable or uninstall third-party antivirus software and check if the error persists.

Conclusion

By diligently following these steps, you can troubleshoot and resolve the “Kernel Security Check Failure” error in Windows 11. If the issue persists, it’s advisable to seek assistance from Microsoft support or relevant forums for further analysis and solutions.