Windows & BSOD · critical

How to fix0x00000019

BAD_POOL_HEADER (0x19)

What this error means

BAD_POOL_HEADER (0x19) is a critical-severity Windows operating system issue. The pool header checking routine detected corrupted memory blocks. This is a critical memory corruption BSOD. Most commonly caused by driver conflicts, hardware failure of RAM sticks, or active virus/malware memory injection. It's also often linked to unstable XMP/EXPO voltage offsets. The steps below are ordered to resolve this efficiently.

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 4 complete
01Run Windows Memory Diagnostic tool
  1. Run Windows Memory Diagnostic 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.

Browse related errors
02Update hardware drivers in Device Manager
  1. Update hardware drivers in Device Manager
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
03Clear motherboard CMOS settings
  1. Clear motherboard CMOS settings
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
04Scan for registry issues using SFC tool
  1. Scan for registry issues using SFC 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.

Browse related errors

Possible causes

  • Corrupt device driver memory structures
  • Faulty RAM memory module
  • Unstable XMP/EXPO voltage offsets
  • Antivirus software conflicts in memory

Useful Windows tools

These commands open Windows tools. Review changes before applying them.

mdsched.exe