Solving League of Legends Error Code 900: A Comprehensive Guide

League of Legends (LoL) is one of the most popular online multiplayer games in the world, boasting millions of players. However, like any complex software, it’s not immune to technical issues. One common problem that players encounter is error code 900. If you’re facing this issue, don’t worry; we’ve got you covered. In this article, we’ll explore the causes of error code 900 and provide you with a step-by-step guide on how to solve the League of Legends error code 900.

What is lol Error Code 900?

Error Code 900 is one of several issues players may encounter while launching or playing League of Legends. This error typically occurs during:

• Login attempts,
• Game client updates, or
• Mid-game play.

While it can disrupt your gaming experience, the good news is that Error Code 900 is often solvable with the right troubleshooting techniques.

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What Does Error Code 900 Mean?

This error is generally a sign that something is preventing your game client from communicating with the Riot Games servers. This can be caused by:

1. Network Disruptions: Poor or unstable internet connections.
2. Corrupted Game Files: Missing or damaged files can prevent the game from running correctly.
3. Outdated Client Version: Running an older version of the game can trigger compatibility issues.
4. Server Downtime: Riot Games servers might be undergoing maintenance or experiencing high traffic.
5. Firewall or Antivirus Blockage: Security software might block the game from accessing the internet.

Understanding the root cause can save you time and effort when applying fixes.

Common Causes of Error Code 900:

1. Server Issues: Sometimes, Error Code 900 can be caused by server problems on Riot Games’ end. In such cases, the issue is not within your control, and you can only wait for Riot Games to resolve the server-related problem.
2. Corrupt Game Files: Corrupt game files can lead to various errors, including Error Code 900. If any game files are damaged or missing, it can prevent the game from launching.
3. Firewall or antivirus blocking: Your firewall or antivirus software may sometimes block League of Legends from connecting to the game servers, leading to Error Code 900.
4. Outdated or Conflicting Software: Outdated drivers, conflicting software, or background applications can also interfere with League of Legends and trigger this error.

Step-by-Step Guide to Fix Error Code 900

Here’s a detailed walkthrough to fix League of Legends Error Code 900. Follow these steps to troubleshoot the issue effectively and get back to your game.

Step 1: Check Riot Games Server Status

The first step in fixing Error Code 900 is ensuring the issue isn’t server-side. Riot Games servers occasionally experience outages or maintenance.

• Visit the official Riot Games Server Status Page.
• Select your region and check if the servers are operational.
• If servers are down, there’s nothing you can do but wait for Riot to resolve the issue.

Step 2: Restart Your System and Router

Restarting your computer and router is a quick way to refresh your connection and fix temporary network glitches.

1. Turn off your router and unplug it from the power source.
2. Wait 30 seconds, then plug it back in and power it on.
3. Restart your computer and launch League of Legends.

This simple step often resolves minor connectivity issues.

Step 3: Update Your League of Legends Client

An outdated game client is one of the most common causes of Error Code 900. Riot Games frequently releases patches to improve game performance and fix bugs.

1. Launch the League of Legends client.
2. The launcher will automatically check for updates.
3. If updates are available, allow the client to download and install them.
4. Restart the game after the update is complete.

Step 4: Use the Repair Tool to Fix Corrupted Files

League of Legends comes with a built-in repair tool to fix corrupted or missing files.

1. Open the League of Legends client.
2. Click the gear icon in the top-right corner.
3. Select “Initiate Full Repair” from the settings menu.
4. Wait for the repair process to complete.
5. Restart the game and check if the error persists.

This step ensures all game files are intact and properly configured.

Step 5: Check Firewall and Antivirus Settings

Firewalls and antivirus software are known to block League of Legends from accessing necessary resources. To fix this:

1. Open your firewall or antivirus software settings.
2. Add League of Legends to the list of trusted applications.
3. Ensure the following ports are open for Riot Games:
   • TCP: 2099, 5222, 5223, 8393-8400
   • UDP: 3478-3479, 8088
4. Save the changes and restart your computer.

If you’re not sure how to do this, consult the documentation for your firewall or antivirus software.

Step 6: Reinstall League of Legends

If none of the above steps work, reinstalling the game may resolve deeper issues.

1. Uninstall League of Legends from your system.
   • On Windows, go to Control Panel > Programs > Uninstall a Program.
   • On Mac, drag the League of Legends application to the trash.
2. Visit the official League of Legends website.
3. Download and install the latest version of the game.
4. Launch the game and log in to see if the issue is resolved.

Pro Tips to Avoid Error Code 900

1. Keep Your Game Client Updated: Enable automatic updates to avoid running into compatibility issues.
2. Monitor Your Internet Connection: Use a stable and fast internet connection for a seamless gaming experience.
3. Check Server Status Regularly: Avoid peak hours or check Riot’s status page before logging in.
4. Optimise Your Device: Clear temporary files and close background applications to free up system resources.

Conclusion

League of Legends Error Code 900 can be a frustrating roadblock for avid players, but it’s usually solvable with the right troubleshooting steps. By following the guidelines provided in this article, you can get back into the game and continue your journey in the Rift. Remember that patience is key, and sometimes the issue may be on Riot Games’ end, requiring some time for resolution. Good luck, and may your games be error-free!

Feel free to contact us if you have any problems; we will try to help you 🙂

FAQs About Error Code 900