Drivers · high

How to fix0x000000C5

DRIVER_CORRUPTED_EXPOOL

What this error means

This high-severity issue affects the system driver. A driver attempted to access an invalid memory pool at an elevated IRQL. This can also stem from faulty system RAM. 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 3 complete
01Run System File Checker (SFC)
  1. Run System File Checker (SFC)
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 system drivers and BIOS
  1. Update system drivers and BIOS
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
03Test memory using MemTest86
  1. Test memory using 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.

Browse related errors

Possible causes

  • Buggy driver attempting to access invalid memory
  • Kernel memory pool corruption
  • Faulty system RAM

Useful Windows tools

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

mdsched.exe