Microsoft Windows Error Code 0xC000007D: How to Fix It

Medium 30 minutes to 1 hour Medium Severity Verified June 2026
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Error Code
0xC000007D
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30 minutes to 1 hour
Error code 0xC000007D, also known as STATUS_BAD_INHERITANCE_ACL, indicates that a program or system process encountered a malformed Access Control List (ACL) inheritance rule. This typically happens when file or folder permissions are corrupted or improperly configured, preventing the application from accessing necessary resources. The error is medium severity and usually affects specific applications rather than the entire operating system.
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Tools You'll Need

How to Fix Error Code 0xC000007D

  1. Run System File Checker (SFC) Scan

  2. Reset ACL Permissions Using icacls

    This command can take a long time on large drives. Do not interrupt it.

  3. Perform a Clean Boot

  4. Reinstall the Problematic Application

    Back up any app data before uninstalling.

  5. Run DISM Tool to Repair System Image

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When to Call a Professional

If the error persists after all steps, it may indicate deeper system corruption or hardware issues. Consider contacting a professional technician or Microsoft support.

Frequently Asked Questions

What causes error 0xC000007D?
This error is caused by malformed ACL inheritance on files or folders, often due to permission changes, malware, or a faulty application installation.
Can error 0xC000007D damage my computer?
The error itself is not harmful, but it may prevent certain applications from running correctly. Fixing it restores normal functionality.
Do I need to reinstall Windows to fix this error?
Rarely. The steps above usually resolve it. Reinstalling Windows should be a last resort.
Is error 0xC000007D related to malware?
It can be. Malware can corrupt ACL settings. Running a full antivirus scan is recommended.
Does this error affect games?
Yes, many games and applications may trigger this error if their installation or user profile has corrupted permissions.

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