Memory · critical

How to fixBAD_POOL_HEADER

Bad memory pool header

What this error means

BAD_POOL_HEADER is a critical-severity system memory (RAM) problem. Pool manager detected corrupted data in memory. It could be the RAM or the driver. This usually traces back to defective RAM and malware. Use the steps below to track down and fix the cause.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01MemTest86

MemTest86.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Update the drivers

Update the drivers.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Antivirus scan

Antivirus scan.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Defective RAM
  • Corrupt driver
  • Malware