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KERNEL_SECURITY_CHECK_FAILURE: Windows stop error

Last checked 2026-10-17 · 3 fixes · reviewed answer

TL;DRThis is a Windows blue screen error that occurs when the kernel detects a security violation, often causing the system to crash and restart unexpectedly.

Likely causes

  1. A recently installed or faulty driver is most likely triggering the security check failure in the kernel.most likely
  2. Corrupted system files or memory issues are possible causes that lead to kernel instability.possible
  3. Hardware problems such as failing RAM or storage are less likely but can produce this stop error.less likely

How to fix it

Safest first: SafeChanges settingsDangerous
  1. Restart the computerSafe

    Power off completely and turn it back on to see if the error occurs again after a simple reboot.

  2. Check for recent changesSafe

    Think about any new software or hardware added before the error started and consider removing it if possible.

  3. Boot into safe modeChanges settings

    Restart while holding the shift key and select safe mode from the recovery options to test if the issue happens in a minimal environment.

If that didn't fix it

The computer may keep crashing repeatedly, making it difficult or impossible to use normally.

When to see a technician

If the error continues after trying basic restarts and safe mode, consult a technician to inspect for hardware faults.

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