Microsoft Windows Error Code 0xC0000067: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
0xC0000067
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 0xC0000067 (STATUS_ILLEGAL_FUNCTION) means a program or driver tried to perform an action that isn't allowed in its current state. This often happens when a system file is corrupted, a driver is incompatible, or a program tries to use a function that doesn't exist.
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How to Fix Error Code 0xC0000067

  1. Restart Your PC

  2. Run System File Checker (SFC)

    Do not close the Command Prompt window until the scan is complete.

  3. Check for Windows Updates

  4. Uninstall Recently Installed Software

    Back up any important data before uninstalling.

  5. Perform a Clean Boot

    After troubleshooting, revert the changes using the same steps.

  6. Run DISM Tool

    This process can take 15-30 minutes. Do not interrupt.

  7. Check for Driver Issues

    Avoid using third-party driver updaters; get drivers from official sources.

  8. System Restore

    System Restore will not affect personal files, but it may remove recently installed programs.
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When to Call a Professional

If none of these steps resolve the error, or if you encounter other blue screens, consider contacting a professional technician. This could indicate deeper hardware or software issues requiring advanced diagnostics.

Frequently Asked Questions

What causes error 0xC0000067 in Windows?
This error is typically caused by corrupted system files, incompatible drivers, or software that tries to perform an illegal function. It can also occur after a failed Windows update or malware infection.
How do I fix error 0xC0000067 without reinstalling Windows?
Try the steps in our guide: run SFC, DISM, check for updates, uninstall problematic software, perform a clean boot, and update drivers. These often resolve the error without a full reinstall.
Is error 0xC0000067 a blue screen error?
Yes, error 0xC0000067 is a bug check code that results in a Blue Screen of Death (BSOD) in Windows. It indicates that a program called a function that is not allowed in the current state.
Can a virus cause error 0xC0000067?
Yes, malware can corrupt system files or interfere with function calls, leading to this error. Run a full antivirus scan to rule out infection.
Should I reinstall Windows to fix error 0xC0000067?
This should be a last resort. Try all the troubleshooting steps first. If they fail, a clean installation of Windows may be necessary to resolve persistent system corruption.

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