Microsoft Windows Error Code 0xC0000059: How to Fix It

Easy 30-60 minutes Medium Severity Verified June 2026
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Error Code
0xC0000059
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
30-60 minutes
Error code 0xC0000059 indicates that your Windows system has exceeded the working set quota, which controls how much memory a process can use. This typically occurs when too many programs are running or a specific application has a memory leak. Follow these steps to resolve the issue and prevent it from recurring.
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Tools You'll Need

How to Fix Error Code 0xC0000059

  1. Close Unnecessary Programs and Restart

  2. Check for Windows Updates

    Ensure your computer is plugged in during updates to avoid interruptions.

  3. Run a Memory Diagnostic

    Back up your data before running the diagnostic.

  4. Increase Virtual Memory (Paging File)

    Setting the paging file too large may consume disk space; adjust as needed.

  5. Scan for Malware

    Ensure your antivirus definitions are up to date before scanning.

  6. Check Event Viewer for Specific Process

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When to Call a Professional

If the error persists after all steps, or if the memory diagnostic detects hardware faults, you may need to replace the RAM. Seek professional help if you are not comfortable working inside your computer.

Frequently Asked Questions

What does error 0xC0000059 mean?
It means a program or the system has used more memory than allowed by the working set quota, usually due to too many active processes or a memory leak.
Can this error damage my computer?
The error itself does not cause damage, but it may indicate underlying hardware issues like faulty RAM. Continued use without fixing may lead to crashes or data loss.
Does reinstalling Windows fix error 0xC0000059?
Reinstalling Windows can resolve software-related causes, but it is a last resort. Try the steps above first.
Why does this error happen when I launch a specific program?
That program may have a memory leak or be requesting more memory than allowed. Update the program or reinstall it.
Is this error related to blue screen crashes?
Yes, error 0xC0000059 can appear in a blue screen of death (BSOD) if the working set quota violation occurs during system operations.

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