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0x00000158BSODCritical

0x00000158 — Illegal Iommu Page Fault | Blue Screen Fix Guide

ILLEGAL_IOMMU_PAGE_FAULT

Windows 10Windows 11

What Does 0x00000158 Mean?

An illegal page fault was detected by the IOMMU (I/O Memory Management Unit).

Real-World Causes

  1. 1Driver DMA to invalid address
  2. 2IOMMU configuration error
  3. 3Device attempting unauthorized memory access

Symptoms

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

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Check all hardware connections
  3. 3Run Windows Memory Diagnostic
  4. 4Check for overheating

Advanced Fix

For experienced users and IT professionals

  1. 1Run comprehensive hardware diagnostics
  2. 2Test components individually (CPU, RAM, GPU)
  3. 3Check for firmware/BIOS updates
  4. 4Inspect motherboard for physical damage

Frequently Asked Questions

What causes ILLEGAL_IOMMU_PAGE_FAULT?
An illegal page fault was detected by the IOMMU (I/O Memory Management Unit).
Can I fix Illegal Iommu Page Fault 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

0x000000E6Driver Verifier DMA Violation0x00000124WHEA Uncorrectable Error

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.