Microsoft Windows Error Code 0xC000005D: How to Fix It

Easy 30-60 minutes Medium Severity Verified June 2026
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Error Code
0xC000005D
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
30-60 minutes
Error 0xC000005D indicates a bad impersonation level in Windows, meaning a program tried to use an incorrect security token. This often occurs when running certain applications or during system updates. Follow these steps to resolve the issue.
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Tools You'll Need

How to Fix Error Code 0xC000005D

  1. Run System File Checker

  2. Perform a Clean Boot

  3. Check User Account Control Settings

  4. Reinstall the Problematic Application

    Back up any important data before uninstalling.

  5. Update Windows and Drivers

  6. Run Anti-Malware Scan

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When to Call a Professional

If the error persists after all steps, consider contacting Microsoft Support or a professional technician, as it may indicate deeper system corruption or hardware failure.

Frequently Asked Questions

What does error 0xC000005D mean?
It means a program tried to use an incorrect security impersonation token. This often happens due to corrupted files or permission issues.
Can error 0xC000005D be caused by hardware?
Rarely, but faulty RAM or hard drive issues can trigger system file corruption leading to this error. Run a memory diagnostic or check disk if other fixes fail.
Will resetting Windows fix error 0xC000005D?
Yes, resetting Windows (keeping files) can resolve the issue if system files are severely corrupted. Backup your data first.
Is error 0xC000005D a virus?
Not typically, but malware can cause system instability. Run a full antivirus scan to be safe.
How do I run SFC scan?
Open Command Prompt as administrator, type 'sfc /scannow', and press Enter. The tool will scan and repair corrupted system files.

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