ErrorFindly
0x0000003EBSODCritical

0x0000003E — Multiprocessor Configuration not Supported | Blue Screen Fix Guide

MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x0000003E Mean?

The multiprocessor configuration of this system is not supported. The processors are asymmetric or incompatible.

Real-World Causes

  1. 1Mismatched CPU types in multi-processor system
  2. 2BIOS configuration error
  3. 3Unsupported CPU combination

Symptoms

  • ⚠Blue screen with stop code MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED
  • ⚠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 MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED?
The multiprocessor configuration of this system is not supported. The processors are asymmetric or incompatible.
Can I fix Multiprocessor Configuration not Supported 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

0x0000005DUnsupported Processor0x00000079Mismatched HAL

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.