Now try to start the game again and see if the problem is resolved. Run this program as administrator – League of Legends Launcher Once in Properties, click on the Compatibility tab and check the option Run this program as administrator. Right click on the game launcher and select Properties. Therefore, in some cases, the patch fails just because you don't have admin privileges. Windows has tightened the leash on what third-party apps with limited permissions can do. Do it even if you are logged in as an administrator. Solution 1: start the game as administratorīefore trying something technical, you should try to start the game as administrator. Once you are absolutely sure that you have an open internet connection, only then can you continue. If you are using an Internet connection behind a firewall or using an institute's local area network, you may experience this problem as some network actions are restricted in these cases. There is no good internet connection or there are DNS problemsīefore starting with the solutions, make sure you have an administrator account on your computer and that you have a good internet connection that does not belong to any organization. The configuration files are unique for each user and if any of the files are not working properly, you may run into the problem. LoL configuration files are corrupted and need to be replaced. Windows Defender was also reported / Firewall caused problems. There may be an antivirus software that blocks various actions performed by the game when downloading the patch and installing it. The game client is broken and needs to be replaced. The game installation is damaged and needs to be repaired. The patch always requires a little extra space so you can download the code and then deploy it. There is not enough space on your hard drive. The game does not have administrator privileges and the computer does not allow you to patch. The error code 004 in League of Legends it can happen for different reasons, as it is related to the update or patch of the game. What causes the error code 004 en League of Legends? If simple reboot doesn't work, you can go ahead with the following solutions. Most of the time, the problem is fixed simply by restarting the game client and trying to patch again. The error code 004 can happen to any player when updating their League of Legends (LoL) and the fixes are pretty straightforward.

Patching is an act of adding code snippets to the game to enhance the game, fix bugs and introduce new functions.

The error message further indicates that restarting the game could fix the problem. League of Legends usually presents users with an error code 004 in which the client declares that the game patch has failed.

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