0x00000139BSODCritical

0x00000139 — Kernel Mode Heap Corruption | Blue Screen Fix Guide

KERNEL_MODE_HEAP_CORRUPTION

Windows 10Windows 11

What Does 0x00000139 Mean?

The kernel detected heap corruption in kernel-mode code. A driver has corrupted the kernel heap.

Real-World Causes

  1. 1Driver heap buffer overflow
  2. 2Use-after-free in driver
  3. 3Double-free in driver
  4. 4Driver corrupting kernel heap metadata

Symptoms

  • Blue screen with stop code KERNEL_MODE_HEAP_CORRUPTION
  • System reboots unexpectedly
  • Possible data loss from unsaved work

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Run Windows Memory Diagnostic (mdsched.exe)
  3. 3Reseat RAM modules
  4. 4Check for Windows updates

Advanced Fix

For experienced users and IT professionals

  1. 1Test RAM with MemTest86 for multiple passes
  2. 2Analyze minidump with WinDbg
  3. 3Check for memory leaks using poolmon
  4. 4Inspect physical RAM slots and modules

Frequently Asked Questions

What causes KERNEL_MODE_HEAP_CORRUPTION?
The kernel detected heap corruption in kernel-mode code. A driver has corrupted the kernel heap.
Can I fix Kernel Mode Heap Corruption myself?
In many cases yes. Start with basic troubleshooting like restarting, updating drivers, and running System File Checker. If the issue persists, advanced analysis of crash dumps may be needed.

Related Error Codes

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.