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Fix League of Legends Error Code 0U

How to Fix League of Legends Error Code 0U

By
Angel Marquez
2023-07-06 02:23:09

Read this article in: Espanol | Francais | Deutsch | Portugues | Italiano



Learn How to Fix League of Legends Error Code 0U with our comprehensive step-by-step guide.


League of Legends is a popular online multiplayer game that has captivated millions of players worldwide. However, like any other game, it is not immune to technical issues. One common problem that players encounter is the League of Legends Error Code 0U. This error can be frustrating, but fear not! In this blog post, we will guide you through various troubleshooting steps to help you fix this error and get back to enjoying your gaming experience.

Check Server Status


Before diving into the troubleshooting process, it's crucial to ensure that the League of Legends servers are up and running. Sometimes, the error may be caused by server maintenance or issues on the game's end. To check the server status, follow these steps:

  • 1. Visit the official League of Legends website.
  • 2. Look for a server status page or section.
  • 3. Check if any server is marked as offline or experiencing issues.

If the servers are down, you may need to wait until they are back online. However, if the servers are operational, proceed to the next step.

Check Your Connectivity


A stable internet connection is vital for a smooth gaming experience. Inconsistent or weak internet connections can often trigger errors like Error Code 0U. Here's what you can do to ensure your connectivity is up to par:

  • 1. Restart your modem and router.
  • 2. Connect your computer directly to the modem via an Ethernet cable.
  • 3. Disable any VPN or proxy services that may interfere with your connection.
  • 4. Run a speed test to check your internet speed and stability.
  • 5. Contact your internet service provider if you notice any issues or if your speed is significantly lower than expected.

Disable Antivirus/Firewall


Sometimes, antivirus and firewall software can conflict with League of Legends, resulting in Error Code 0U. To rule out this possibility, temporarily disable your antivirus and firewall software by following these general steps:

  • 1. Locate the antivirus or firewall software running on your computer.
  • 2. Open the software's settings or preferences.
  • 3. Look for options to disable or turn off the software temporarily.
  • 4. Disable both the antivirus and firewall components.
  • 5. Launch League of Legends and see if the error persists.

Remember to re-enable your antivirus and firewall after troubleshooting to maintain the security of your system.

Verify the Integrity of Game Files




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Corrupted or missing game files can also cause Error Code 0U. Verifying the integrity of game files is an essential step in resolving this issue. Here's how you can do it within the League of Legends client:

  • 1. Open the League of Legends client.
  • 2. Click on the gear icon located at the top-right corner to open the settings menu.
  • 3. Select the "Initiate Full Repair" or "Repair" option.
  • 4. Wait for the repair process to complete.
  • 5. Launch the game and see if the error persists.

Run the Recommended Game Troubleshooter


League of Legends provides a built-in troubleshooter that can help identify and fix various issues. Here's how you can access and run the recommended game troubleshooter:

  • 1. Launch the League of Legends client.
  • 2. Go to the settings menu by clicking on the gear icon at the top-right corner.
  • 3. Select the "Help & Support" option.
  • 4. Look for the troubleshooter or diagnostic tool.
  • 5. Follow the on-screen instructions to run the troubleshooter.
  • 6. Implement any troubleshooting steps recommended by the tool.
  • 7. Launch the game and check if the error has been resolved.

Update Your Graphics Drivers


Outdated or incompatible graphics drivers can often lead to errors in games like League of Legends. To ensure that your graphics drivers are up to date, follow these steps:

  • 1. Determine the manufacturer and model of your graphics card (e.g., NVIDIA, AMD, Intel).
  • 2. Visit the official website of the graphics card manufacturer.
  • 3. Search for the latest drivers for your specific graphics card model.
  • 4. Download and install the updated drivers according to the manufacturer's instructions.
  • 5. Restart your computer and launch League of Legends to see if the error persists.

Add League of Legends as a Firewall Exception


Firewall settings can sometimes block League of Legends from accessing the necessary network resources, resulting in Error Code 0U. To add League of Legends as a firewall exception, follow these steps:

  • 1. Open your computer's firewall settings.
  • 2. Look for an option to add an exception or allow a program.
  • 3. Browse for the League of Legends executable file (usually located in the game's installation folder).
  • 4. Add the executable file as an exception or allow it to bypass the firewall.
  • 5. Save the changes and launch the game to check if the error has been resolved.


League of Legends Error Code 0U can be frustrating, but with the troubleshooting steps mentioned in this blog post, you should be able to resolve the issue and get back to enjoying the game. Remember to always check the server status, ensure your connectivity is stable, and follow the recommended steps to fix any potential conflicts or issues. If the problem persists, don't hesitate to reach out to League of Legends support for further assistance. Good luck and happy gaming!





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