Windows & BSOD · critical

How to fixPFN_LIST_CORRUPT

0x0000004E PFN List Corrupt

What this error means

PFN_LIST_CORRUPT shows up as a critical-severity Windows operating system fault. The PFN (Page Frame Number) data structure is corrupted. The system detected an inconsistency in memory. Common triggers are registry corruption, faulty RAM and bad hard disk driver. Follow the steps below to fix it.

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Run MemTest86
  1. Run MemTest86
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02Run the disk error repair tool
  1. Run the disk error repair tool
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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03Uninstall suspect drivers
  1. Uninstall suspect drivers
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Registry corruption
  • Faulty RAM
  • Bad hard disk driver