Microsoft Windows Error Code 0xC000005E: How to Fix It

Medium 30-45 minutes Medium Severity Verified June 2026
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Error Code
0xC000005E
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-45 minutes
Error code 0xC000005E, also known as STATUS_CANT_OPEN_ANONYMOUS, indicates that Windows cannot complete an anonymous logon request, often due to misconfigured security settings or insufficient permissions. This error typically appears when trying to access network resources or system services. The following guide will help you resolve it step by step.
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Tools You'll Need

How to Fix Error Code 0xC000005E

  1. Run System File Checker (SFC)

  2. Check Local Security Policy

    Changing security policies can affect network access; ensure you have administrative rights.

  3. Adjust Anonymous Logon Registry Key

    Editing the registry incorrectly can cause system issues. Backup the registry before making changes.

  4. Enable Anonymous Logon via Group Policy

  5. Restart Required Services

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When to Call a Professional

If the error persists after following all steps, or if you are uncomfortable editing the registry or group policy, seek help from a professional IT technician. They can perform advanced troubleshooting or repair your Windows installation.

Frequently Asked Questions

What causes error 0xC000005E in Windows?
This error occurs when Windows tries to authenticate via anonymous logon but fails due to security restrictions, such as restrictive local security policies, registry settings, or group policy configurations that block anonymous access.
Can error 0xC000005E be fixed without reinstalling Windows?
Yes, in most cases it can be fixed by adjusting security policies, registry settings, or using system file checker. Reinstallation is rarely needed.
Is error 0xC000005E related to network issues?
Yes, it often appears when accessing network shares or resources that require anonymous logon. Network permissions and service configurations are common culprits.
Do I need to be an administrator to fix error 0xC000005E?
Yes, administrative privileges are required to change security policies, edit registry, and restart services.
What if I don't have access to gpedit.msc?
Group Policy Editor is only available in Windows Pro, Enterprise, or Education editions. If you have Windows Home, use the registry method (Step 3) or local security policy (Step 2) instead.

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