KERNEL_SECURITY_CHECK_FAILURE 🪟 Windows

Blue screen: KERNEL_SECURITY_CHECK_FAILURE (0x00000139)

The kernel detected corruption of a critical data structure — usually a bad driver, memory issue or disk corruption.

Seen on: Windows

Meaning

Frequently follows driver updates, antivirus changes, faulty RAM or corrupted system files. Some games’ anti-cheat drivers also trigger it.

Common causes

  • Incompatible driver/anti-cheat
  • Faulty RAM
  • Corrupt system files
  • Disk errors

⚡ Quick fix

  1. Update/roll back recent drivers
  2. Run sfc, DISM and chkdsk
  3. Test memory

Detailed fix by platform

Windows

  1. powershell
    sfc /scannow
    chkdsk C: /scan
    mdsched.exe

How to diagnose

  1. Recent — New drivers/anti-cheat?
  2. Files — SFC result
  3. RAM — Diagnostic result

🔧 Still not fixed?

Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:

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