Reddit Validated Operating System Error Code 0xC0000374: How to Fix It

Easy 30-60 minutes High Severity Verified June 2026
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Error Code
0xC0000374
Brand
Reddit Validated
Product Type
operating_system
Severity
High
DIY Difficulty
Easy
Estimated Fix Time
30-60 minutes
Error code 0xC0000374 indicates heap corruption – a memory management bug where an application damages the heap, often causing crashes. This guide provides software-level fixes to resolve the issue without hardware replacement.
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How to Fix Error Code 0xC0000374

  1. Run System File Checker and DISM Scans

    Back up important data before running these tools, though they are generally safe.

  2. Uninstall Recently Installed Software

  3. Perform a Clean Boot

    This is a diagnostic step; you'll need to re-enable services later for normal operation.

  4. Update Device Drivers

  5. Check for Windows Updates

    Ensure you have a stable internet connection and save your work before updating.

  6. Run Memory Diagnostics

    This tool will restart your computer immediately. Save all work first.

  7. Repair or Reinstall the Affected Application

    Reinstalling may lose app data; backup if possible.
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When to Call a Professional

If the error persists after all steps, consider memory hardware failure. Contact a technician or replace RAM sticks.

Frequently Asked Questions

What is error code 0xC0000374?
It's a Windows error indicating heap corruption, meaning an application has corrupted the memory heap, often causing crashes.
Can bad RAM cause 0xC0000374?
Yes, faulty RAM can cause heap corruption. Run Windows Memory Diagnostic to check.
Is error 0xC0000374 a virus?
It's not a virus itself, but malware can corrupt system files and trigger this error. Running a full antivirus scan is recommended.
Does reinstalling Windows fix 0xC0000374?
Yes, a clean Windows installation can resolve the error, but it's a last resort. Try the steps above first.
How do I fix heap corruption on Windows 11?
The same steps apply for Windows 10 and 11: SFC/DISM scans, driver updates, clean boot, and memory diagnostics.

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