← Back to DatabaseHow to Fix Error 003
Topic: League of Legends Client Errors | Status: Updated
What is this error?
Error 003 is a connectivity issue encountered in the League of Legends client that prevents players from launching the game. This error typically indicates problems with the game servers or the player's internet connection.
How to Fix It
- Check Server Status: Visit the official League of Legends server status website to ensure there are no ongoing maintenance or server outages affecting gameplay.
- Restart Your Client: Close the League of Legends client completely and then restart it to see if the error resolves itself.
- Reboot Your Router: Unplug your router, wait for about 10 seconds, then plug it back in. This can help refresh your internet connection.
- Disable Firewall/Antivirus: Temporarily disable any firewall or antivirus software that might be blocking the League of Legends client from accessing the internet.
- Flush DNS Cache: Open the Command Prompt (CMD) as an administrator and enter the command “ipconfig /flushdns” to clear any potential DNS issues that may be causing connectivity problems.
- Check Network Settings: Ensure your network settings are configured correctly, specifically checking for any proxy settings that may need to be adjusted or removed.
- Reinstall League of Legends: If all else fails, uninstall and then reinstall the League of Legends client to ensure you have the latest version and that no files are corrupted.
Disclaimer: This is an educational guide. We are not responsible for data loss. Always backup your system.
