Microsoft Windows Error Code 0xC000004C: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
0xC000004C
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 0xC000004C indicates that the working set limit for a process is invalid. This usually occurs due to corrupted system files, memory management issues, or incorrect virtual memory settings. The error can prevent applications from starting or cause system instability.
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Tools You'll Need

How to Fix Error Code 0xC000004C

  1. Restart Your Computer

  2. Run System File Checker (SFC)

    Do not close the Command Prompt window during the scan.

  3. Run DISM Tool

    This process may take 15-20 minutes. Ensure your internet connection is stable.

  4. Adjust Virtual Memory Settings

    Changing virtual memory settings incorrectly can cause system instability. Only adjust as recommended.

  5. Check for Windows Updates

  6. Perform a Clean Boot

    This disables third-party services. Re-enable them after troubleshooting.

  7. Check for Memory Problems

    The test will restart your computer and take some time.
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When to Call a Professional

If none of the above steps resolve the error, the issue may be related to faulty hardware (e.g., failing RAM or hard drive). Contact a professional technician to run hardware diagnostics.

Frequently Asked Questions

What is error 0xC000004C in Windows?
Error 0xC000004C is a STATUS_BAD_WORKING_SET_LIMIT error, meaning the working set limit (a memory management parameter) is invalid. This often indicates system file corruption or misconfigured virtual memory settings.
Can this error be caused by faulty RAM?
Yes, faulty or incompatible RAM can cause memory management errors like 0xC000004C. Running Windows Memory Diagnostic can help identify if RAM is the culprit.
How do I fix error 0xC000004C without reinstalling Windows?
Try running SFC and DISM scan tools, adjusting virtual memory settings, performing a clean boot, and installing Windows updates. These steps often resolve the issue without reinstalling.
Is error 0xC000004C dangerous?
The error itself is not dangerous, but it can prevent applications from running and cause system instability. It should be addressed to ensure normal system operation.
Does this error occur on Windows 10 or 11 only?
Error 0xC000004C can occur on any Windows version, including Windows 10 and 11, as well as older versions like Windows 7 and 8.

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