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0x00000189BSODCritical

0x00000189 — Bad Object Header | Blue Screen Fix Guide

BAD_OBJECT_HEADER

Windows 10Windows 11

What Does 0x00000189 Mean?

An object header was found to be corrupt. The kernel detected that an object's header metadata is damaged.

Real-World Causes

  1. 1Memory corruption affecting kernel objects
  2. 2Driver corrupting object headers
  3. 3RAM failure
  4. 4Use-after-free bug

Symptoms

  • ⚠Blue screen with stop code BAD_OBJECT_HEADER
  • ⚠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 BAD_OBJECT_HEADER?
An object header was found to be corrupt. The kernel detected that an object's header metadata is damaged.
Can I fix Bad Object Header 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

0x000000A7Bad Exhandle0x00000018Reference by Pointer

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.