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Table of Contents
Steps:
Run SFC:
Run DISM (if SFC fails):
4. Check for Memory (RAM) Issues
Use Windows Memory Diagnostic:
5. Uninstall Recent Software or Updates
Uninstall suspicious software:
Uninstall recent Windows Updates:
6. Check for Disk Errors
Run CHKDSK:
Home Computer Tutorials Troubleshooting how to fix win 10 blue screen 'kernel_security_check_failure'

how to fix win 10 blue screen 'kernel_security_check_failure'

Jul 30, 2025 am 03:31 AM
blue screen

Boot into Safe Mode by triggering Automatic Repair and selecting Startup Settings. 2. Update or roll back drivers in Device Manager, focusing on display, network, and storage adapters. 3. Run sfc /scannow in Command Prompt (Admin); if issues persist, run DISM /Online /Cleanup-Image /RestoreHealth followed by SFC again. 4. Test RAM using Windows Memory Diagnostic or MemTest86 to detect hardware faults. 5. Uninstall recent software or Windows updates that may be causing conflicts. 6. Run chkdsk C: /f /r to check and repair disk errors. 7. Disable overclocking in BIOS/UEFI to eliminate instability. 8. Scan for malware using Windows Defender or Malwarebytes. 9. Perform a clean boot via msconfig to isolate conflicting software. 10. As a last resort, reset Windows via Recovery with "Keep my files" option. The "KERNEL_SECURITY_CHECK_FAILURE" error is typically caused by driver issues, memory problems, or corrupted system files, and can usually be resolved step by step without data loss.

how to fix win 10 blue screen \

The "KERNEL_SECURITY_CHECK_FAILURE" blue screen error in Windows 10 usually indicates that the operating system detected a corruption or inconsistency in kernel-mode data structures—often related to drivers, memory, or system files. While it can be alarming, it’s often fixable with systematic troubleshooting. Here’s how to fix it:

how to fix win 10 blue screen

1. Boot into Safe Mode

Before making changes, boot into Safe Mode to prevent problematic drivers or software from loading.

  • Restart your PC and interrupt the boot process 3 times to trigger Automatic Repair.
  • Go to Troubleshoot > Advanced Options > Startup Settings > Restart.
  • Press F4 or 5 (for Safe Mode with Networking).
  • Once in Safe Mode, proceed with the fixes below.

2. Update or Roll Back Drivers

Faulty or outdated drivers—especially for graphics, network, or storage—are common causes.

how to fix win 10 blue screen

Steps:

  • Press Win X > Device Manager.
  • Look for devices with a yellow warning icon.
  • Right-click and Update driver.
  • Focus on:
    • Display adapters
    • Network adapters
    • IDE/SATA controllers
  • If the issue started recently, roll back the driver:
    • Right-click device > Properties > Driver tab > Roll Back Driver (if available).

? Tip: Download the latest drivers from your PC or component manufacturer’s website (e.g., Intel, NVIDIA, AMD) instead of relying on Windows Update.


3. Run System File Checker (SFC) and DISM

Corrupted system files can trigger this error.

how to fix win 10 blue screen

Run SFC:

  • Open Command Prompt as Admin (search cmd > right-click > Run as administrator).
  • Type:
    sfc /scannow
  • Wait for the scan to complete. If it finds and fixes issues, reboot and test.

Run DISM (if SFC fails):

  • In the same Command Prompt:
    DISM /Online /Cleanup-Image /RestoreHealth
  • Wait for completion (may take 10–20 minutes), then run sfc /scannow again.

4. Check for Memory (RAM) Issues

Kernel corruption can stem from faulty RAM.

Use Windows Memory Diagnostic:

  • Search for Windows Memory Diagnostic and run it.
  • Choose Restart now and check for problems.
  • After reboot, the test will run. If errors are found, test each RAM stick individually if possible.

? For more thorough testing, use MemTest86 (bootable USB tool).


5. Uninstall Recent Software or Updates

Recently installed software, especially antivirus, virtualization tools, or overclocking utilities, can interfere with kernel operations.

Uninstall suspicious software:

  • Go to Settings > Apps > Installed apps.
  • Remove anything installed just before the BSODs started.

Uninstall recent Windows Updates:

  • Go to Settings > Windows Update > Update history > Uninstall updates.
  • Remove the most recent quality or feature updates if the problem began after an update.

6. Check for Disk Errors

Hard drive or SSD issues can corrupt system data.

Run CHKDSK:

  • Open Command Prompt (Admin).
  • Type:
    chkdsk C: /f /r
  • Press Y to schedule on next reboot.
  • Restart your PC and let the scan run (can take hours on large drives).

7. Disable Overclocking

If you’ve overclocked your CPU, GPU, or RAM, revert to default settings.

  • Enter BIOS/UEFI and reset to default or optimized defaults.
  • Save and exit.

Overclocking can cause instability that Windows interprets as a security check failure.


8. Scan for Malware

Rarely, malware can tamper with kernel operations.

  • Run a full scan using Windows Defender or a trusted antivirus.
  • Consider using Malwarebytes for a second opinion.

9. Perform a Clean Boot (Identify Conflicting Software)

Start Windows with minimal drivers and startup programs.

  • Press Win R, type msconfig, hit Enter.
  • Under Services, check Hide all Microsoft services, then click Disable all.
  • Go to Startup tab > Open Task Manager > disable all startup items.
  • Restart. If the BSOD doesn’t occur, re-enable services/apps one by one to find the culprit.

10. Reset Windows (Last Resort)

If nothing works, consider resetting Windows.

  • Go to Settings > System > Recovery > Reset this PC.
  • Choose Keep my files and reinstall Windows.
  • This preserves your data but removes apps and settings that might be causing issues.

Bottom line:
"KERNEL_SECURITY_CHECK_FAILURE" is often caused by drivers, memory issues, or corrupted system files. Start with SFC/DISM, driver updates, and Safe Mode testing. Rule out hardware (RAM, disk) early. Avoid third-party "driver fixer" tools—they often make things worse.

Basically, go step by step. Most cases are fixable without losing your data.

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