League of Legends Error Code 004 Solution

The "Error Code 004" encountered while updating on the League of Legends Launcher screen brings with it many errors, making the players lose their patience. If you are encountering such an error, you can find the solution by following the steps below.

Why Do I Get League of Legends Error Code 004?

The main reason why you may encounter any error while updating may be due to the lack of free space on the LoL installed disk. For this, check if you have free space by accessing the LoL installed disk. The minimum disk space we recommend is 30GB. Another issue may be a problem with your internet. Sudden network disconnections may cause various errors or the server may not be accessible. These things go like this. We can reach the solution of the problem by researching for you and realizing the suggestions that the users have tried and found a solution.

How To Fix League of Legends Error Code 004?

To get rid of this error code or various error codes completely, we can perform the following suggestions.

1-) Run as Administrator

Running as an administrator, which is one of the solution methods we use by default, can prevent various errors. For this, let's run the League of Legends game as an administrator and check whether the update process has taken place.

2-) Check Disk Space

Check if you have free space by accessing the League of Legends installed disk as we explained above. If you have less than 30GB of storage space left, you can free up space by deleting unnecessary programs.

3-) Turn off the Antivirus System

Any antivirus program can block the downloaded patch for no reason. You can continue the process by disabling any antivirus program you use for this. What we need to do to stop the Windows Defender software is as follows;

• Open the Start search screen by typing Virus and Threat Protection.
• Click on Manage settings below.
• We disable real-time protection.

After this process, Windows Defender Security Protection will be disabled. Run the League of Legends game again as an administrator and try to perform the update process.

4-) Clear DNS Cache

If none of the suggestions above worked, we can solve the problem by clearing the dns cache. For this;

• Type cmd in the start search screen and run as administrator.
• Type the command ipconfig /flushdns on the command prompt and press enter.
• After this process, it will show that your dns cache has been successfully cleared.
• Then type netsh winsock reset command again on the command prompt screen and press enter.

After this process, restart the computer and run League of Legends as an administrator.

5-) Use Hextech Repair Tool

We can get rid of such various errors by using the Hextexh repair tool developed by Riot Games. But we do not know if this process provides a definitive solution. After all, if they developed such an application, why shouldn't it work for us?

• Download the Hextech repair tool. Click to download.
• Right click on the downloaded Hextech application and run it as administrator.
• After this process, wait for the installation process to complete.
• After the Hextech application is installed and opened, select the settings as in the picture below and press the Start button.

After this process is done, restart your computer and try to log in to the League of Legends game.