Windows Operating System Error Code 0x000000C5: How to Fix It

Medium 1-3 hours Critical Severity Verified June 2026
Error Code
0x000000C5
Brand
Windows
Product Type
operating_system
Severity
Critical
DIY Difficulty
Medium
Estimated Fix Time
1-3 hours
Windows error code 0x000000C5, also known as DRIVER_CORRUPTED_EXPOOL, is a critical blue screen error that occurs when a device driver corrupts the system memory pool. This error typically happens due to faulty or incompatible drivers, damaged system files, or hardware issues that cause your computer to crash and restart.
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Tools You'll Need

How to Fix Error Code 0x000000C5

  1. Restart in Safe Mode

    Save any important work before forcing a shutdown as unsaved data will be lost.
  2. Check Recently Installed Hardware or Software

  3. Update Device Drivers

  4. Run Windows Memory Diagnostic

  5. Run System File Checker

  6. Check Hard Drive for Errors

    Ensure your computer is connected to a reliable power source as this process should not be interrupted.
  7. Perform System Restore

Parts You May Need

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When to Call a Professional

Contact a professional technician if the blue screen continues after trying all troubleshooting steps, if you're uncomfortable working with system settings, if hardware replacement is needed, or if you suspect motherboard or CPU issues. Also seek help if the error occurs frequently and prevents normal computer operation.

Frequently Asked Questions

What causes Windows error code 0x000000C5?
Error 0x000000C5 is typically caused by corrupted or incompatible device drivers, faulty RAM, hard drive errors, or damaged system files. Recently installed hardware or software can also trigger this error.
Can I fix 0x000000C5 error myself?
Yes, most cases can be resolved through software troubleshooting like updating drivers, running system diagnostics, or performing system restore. However, if hardware is faulty, professional repair may be needed.
Is error 0x000000C5 serious?
Yes, this is a critical system error that causes blue screen crashes. While often fixable through software solutions, it should be addressed promptly to prevent data loss and system instability.
How do I prevent 0x000000C5 error from happening again?
Keep drivers updated, avoid installing untested software, run regular system maintenance, use reliable antivirus software, and ensure your computer has adequate cooling and clean power supply.