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0x0000004DBSODCritical

0x0000004D — No Pages Available | Blue Screen Fix Guide

NO_PAGES_AVAILABLE

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x0000004D Mean?

No free pages are available to satisfy a memory allocation. The system has run out of physical memory pages.

Real-World Causes

  1. 1Extreme memory pressure
  2. 2Memory leak in driver or application
  3. 3Insufficient RAM for workload

Symptoms

  • ⚠Blue screen with stop code NO_PAGES_AVAILABLE
  • ⚠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 NO_PAGES_AVAILABLE?
No free pages are available to satisfy a memory allocation. The system has run out of physical memory pages.
Can I fix No Pages Available 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

0x00000041Must Succeed Pool Empty0x0000001AMemory Management

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.