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0x000000CCBSODCritical

0x000000CC — Page Fault in Freed Special Pool | Blue Screen Fix Guide

PAGE_FAULT_IN_FREED_SPECIAL_POOL

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x000000CC Mean?

A driver accessed memory in a Special Pool allocation that had already been freed.

Real-World Causes

  1. 1Use-after-free bug in driver
  2. 2Driver accessing freed memory
  3. 3Memory corruption

Symptoms

  • ⚠Blue screen with stop code PAGE_FAULT_IN_FREED_SPECIAL_POOL
  • ⚠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 Windows Memory Diagnostic (mdsched.exe)
  3. 3Reseat RAM modules
  4. 4Check for Windows updates

Advanced Fix

For experienced users and IT professionals

  1. 1Test RAM with MemTest86 for multiple passes
  2. 2Analyze minidump with WinDbg
  3. 3Check for memory leaks using poolmon
  4. 4Inspect physical RAM slots and modules

Frequently Asked Questions

What causes PAGE_FAULT_IN_FREED_SPECIAL_POOL?
A driver accessed memory in a Special Pool allocation that had already been freed.
Can I fix Page Fault in Freed Special Pool 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

0x000000CDPage Fault Beyond End of Allocation0x000000C1Special Pool Detected Memory Corruption

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.