ErrorFindly
0x00000048BSODCritical

0x00000048 — Cancel State in Completed IRP | Blue Screen Fix Guide

CANCEL_STATE_IN_COMPLETED_IRP

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x00000048 Mean?

An IRP that has already been completed was found with a cancel routine still set, indicating a driver bug.

Real-World Causes

  1. 1Driver not clearing cancel routine before completing IRP
  2. 2Race condition in I/O cancellation
  3. 3Driver bug

Symptoms

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

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Update or roll back recently installed drivers
  3. 3Run System File Checker (sfc /scannow)
  4. 4Check Windows Update for driver updates

Advanced Fix

For experienced users and IT professionals

  1. 1Analyze crash dump with WinDbg
  2. 2Run Driver Verifier to isolate faulty driver
  3. 3Use Safe Mode to uninstall problematic drivers
  4. 4Check Event Viewer for related errors

Frequently Asked Questions

What causes CANCEL_STATE_IN_COMPLETED_IRP?
An IRP that has already been completed was found with a cancel routine still set, indicating a driver bug.
Can I fix Cancel State in Completed IRP 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

0x00000044Multiple IRP Complete Requests0x0000002AInconsistent IRP

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.