ErrorFindly
0x00000049BSODCritical

0x00000049 — Page Fault with Interrupts Off | Blue Screen Fix Guide

PAGE_FAULT_WITH_INTERRUPTS_OFF

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x00000049 Mean?

A page fault occurred while interrupts were disabled, which is an illegal operation.

Real-World Causes

  1. 1Driver accessing paged memory at raised IRQL
  2. 2Corrupted page tables
  3. 3Driver IRQL violation

Symptoms

  • ⚠Blue screen with stop code PAGE_FAULT_WITH_INTERRUPTS_OFF
  • ⚠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 System File Checker (sfc /scannow)
  3. 3Check Windows Update
  4. 4Run DISM /Online /Cleanup-Image /RestoreHealth

Advanced Fix

For experienced users and IT professionals

  1. 1Analyze minidump with WinDbg
  2. 2Check Event Viewer for correlated errors
  3. 3Use Process Monitor to trace system activity
  4. 4Perform clean boot to isolate the cause

Frequently Asked Questions

What causes PAGE_FAULT_WITH_INTERRUPTS_OFF?
A page fault occurred while interrupts were disabled, which is an illegal operation.
Can I fix Page Fault with Interrupts Off 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

0x0000000AIRQL not Less or Equal0x00000050Page Fault in Nonpaged Area

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.