Microsoft Windows Error Code 0xC000007A: How to Fix It

Medium 30 minutes to 2 hours depending on the step Medium Severity Verified June 2026
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Error Code
0xC000007A
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30 minutes to 2 hours depending on the step
Error 0xC000007A, also known as STATUS_PROCEDURE_NOT_FOUND, indicates that a program is trying to call a function from a DLL file, but the function can't be found. This often happens after a software update, installation, or corruption. Don't worry — you can usually fix it by reinstalling the problematic software or repairing system files.
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Tools You'll Need

How to Fix Error Code 0xC000007A

  1. Restart Your Computer

  2. Reinstall the Problematic Application

    Make sure to back up any important data related to the program before uninstalling.

  3. Run System File Checker (SFC)

  4. Run DISM to Repair System Image

    Ensure you have a stable internet connection as DISM may download files from Windows Update.

  5. Update Windows and Drivers

  6. Perform a Clean Boot

    After troubleshooting, re-enable services and startup items to restore normal functionality.

  7. Check for Malware

  8. Use System Restore

    This will undo recent changes, including installed programs and updates, but your personal files remain intact.

  9. Repair Install Windows (In-place Upgrade)

    Back up your data before proceeding. This process can take an hour or more.
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When to Call a Professional

If none of these steps resolve the error, consider contacting a professional technician or Microsoft Support. Persistent DLL errors can indicate deeper system corruption or hardware issues (e.g., failing hard drive). A pro can run advanced diagnostics or perform a clean install of Windows.

Frequently Asked Questions

What does error 0xC000007A mean?
It means a program tried to call a function from a DLL file but couldn't find it. This is typically caused by a corrupt or missing DLL, incompatible software, or a broken update.
Can I fix error 0xC000007A without reinstalling Windows?
Yes, in most cases. Try reinstalling the offending application, running SFC and DISM, updating drivers, or performing a system restore. A clean install is a last resort.
Is error 0xC000007A a virus?
Not directly, but malware can cause DLL errors. Run a full antivirus scan to rule out infection.
How do I find out which program is causing error 0xC000007A?
Check the error message — it usually mentions the program name. If not, review recent installations or updates in Control Panel > Programs > Programs and Features.
Does error 0xC000007A affect all Windows versions?
Yes, it can occur on Windows 7, 8, 10, and 11. The fix steps are similar across versions, though some menu paths may differ slightly.

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