PFN_LIST_CORRUPT (0x4E)

What is 0x0000004E?

PFN_LIST_CORRUPT (0x4E) is a critical-severity Windows operating system issue. The Page Frame Number (PFN) database list was detected as corrupted. This is a critical memory management BSOD. Most commonly caused by driver conflicts writing to page tables incorrectly, physical RAM hardware failure, or corrupted system files. Use the steps below to track down and fix the cause.

Common Causes

• Corrupt device driver writing to page memory lists
• Faulty RAM hardware or memory controller
• Unstable memory timing (XMP) voltages
• System file registry directory corruption

Step-by-Step Fix Guide

• 1
  Run Windows Memory Diagnostic tool

  Begin with Run Windows Memory Diagnostic tool; it's the step that resolves 0x0000004E for the largest share of reported cases.

• 2
  Update motherboard chipset and graphics drivers

  Not every case resolves on the first try; the steps that follow cover rarer memory database instability situations.

• 3
  Run SFC scan to fix corrupted kernel files

  "Run SFC scan to fix corrupted kernel files" covers a less common but documented cause of 0x0000004E.

• 4
  Reset BIOS memory configurations to defaults

  "Reset BIOS memory configurations to defaults" is worth trying when corrupt device driver writing to page memory lists turns out to be the culprit.

Commands & Diagnostics

Frequently Asked Questions