How to Fix the Blue Screen Error "KERNEL_SECURITY_CHECK_FAILURE"

The "Blue Screen of Death" (BSOD) with the error code KERNEL_SECURITY_CHECK_FAILURE is a common issue on Windows systems, signaling a critical problem that requires attention. This error is often related to drivers, incompatible hardware, corrupted system files, or even malware. Below, we’ll go over the main causes and solutions to fix this error.

Main Causes of KERNEL_SECURITY_CHECK_FAILURE

  • Driver Issues: Outdated, damaged, or incompatible device drivers can disrupt system kernel operations, leading to this error.
  • Malware: Certain viruses and ransomware can corrupt system files, resulting in the KERNEL_SECURITY_CHECK_FAILURE error.
  • Memory Errors: Faulty RAM or issues within memory can prevent essential data from being accessed, causing this failure.
  • Hardware Issues: Incorrectly connected or faulty hardware like hard drives or graphics cards can cause system conflicts.

How to Fix KERNEL_SECURITY_CHECK_FAILURE

Try the following steps to troubleshoot and resolve the issue:

1. Update Device Drivers

Ensure all your device drivers are up-to-date. Here’s how:

  • Open the Device Manager by right-clicking the Start button and selecting it from the menu.
  • Look for devices with issues (indicated by yellow exclamation marks) and update their drivers online.
  • It’s best to download drivers directly from the manufacturer's website.

2. Run System File Checker (SFC) Scan

Corrupted system files can also cause this error. Run the SFC tool as follows:

  • Open the Command Prompt as an administrator.
  • Type sfc /scannow and press Enter.
  • Wait for the scan to complete and restore any damaged files.

3. Perform a Memory Diagnostic

Windows Memory Diagnostic can help identify RAM issues:

  • Press Win + R, type mdsched.exe, and hit Enter.
  • Select the option to restart and check for memory issues.

4. Scan for Malware

Use antivirus software to check for threats:

  • Use the built-in Windows Defender or a third-party antivirus for a deep system scan.
  • Remove any detected threats and restart your computer.

5. Update Windows to the Latest Version

Microsoft frequently releases updates to fix system issues. Check for updates:

  • Go to Settings → Update & Security → Windows Update.
  • Install any available updates and restart your system.