League of Legends Error Code 005: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
Error Code 005
Brand
League of Legends
Product Type
game
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
League of Legends Error Code 005 appears when the game client fails to log you into your account during startup. This login authentication error typically occurs due to server connectivity issues, corrupted game files, or network configuration problems.
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Tools You'll Need

How to Fix Error Code Error Code 005

  1. Check League of Legends Server Status

  2. Restart the League Client Completely

  3. Run League of Legends as Administrator

  4. Flush DNS and Reset Network Settings

  5. Disable Firewall and Antivirus Temporarily

    Remember to re-enable your firewall and antivirus protection after testing

  6. Use Riot Games Hextech Repair Tool

  7. Change DNS Servers

  8. Reinstall League of Legends Client

    Back up any custom settings or keybindings before uninstalling
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When to Call a Professional

Contact Riot Games Support if the error persists after trying all troubleshooting steps, especially if you suspect your account has been compromised or if you're experiencing consistent authentication failures across multiple days.

Frequently Asked Questions

What causes League of Legends Error Code 005?
Error Code 005 is typically caused by server connectivity issues, corrupted game files, network configuration problems, firewall blocking the connection, or temporary authentication server downtime.
How long does it take to fix LoL Error 005?
Most cases can be resolved within 30-60 minutes by following the troubleshooting steps. Simple fixes like restarting the client may work immediately, while more complex solutions like reinstalling may take longer.
Can Error Code 005 be caused by my internet connection?
Yes, unstable internet connections, DNS issues, or network configuration problems can trigger Error 005. Try switching to a wired connection or different network to test if this resolves the issue.
Is Error Code 005 the same as other LoL login errors?
Error Code 005 specifically indicates a login authentication failure, which is different from other codes like Error 004 (connection timeout) or Error 003 (server unavailable). Each error requires different troubleshooting approaches.
Should I create a new League of Legends account if Error 005 won't go away?
No, creating a new account won't fix Error 005 since it's a client-side or network connectivity issue, not an account-specific problem. Focus on the technical troubleshooting steps instead.

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