The antivirus software in your machine way creates a block and prevents the tool from running effectively. If even after running the Hextech repair tool you still cannot clear the error, try disabling your firewall. To fix this, you need to try connecting to other servers available. The error 003 may be caused by an issue within the server you are trying to connect to. There are plenty of available League of Legends (LOL) servers. Once downloaded and installed successfully, run the application and then relaunch your game client.īe sure to run this tool under administrative rights to automatically clean up the occurring error. This tool is downloadable from the website Riot games for free. Use the Hextech repair toolĬoming in highly recommended by a large pool of League of Legend gamers, the Hextech repair tool can fix different connection issues like error 003. This means you may need to repeat this process every time there is a new patch in store. Note that Riot Games tends to download new versions of these files for every new patch. The error should be gone but if not, try the next solution. From the pop-up box, select “Run this program as an administrator” and launch the game client again. On the game’s icon on your desktop, right-click and click on the Compatibility tab. Follow the steps recommended to do this right This is because doing so will assist the game to reach every resource needed to perform seamlessly. If your user rights are limited or you have some admin privileged programs competing with your game files, this could cause a system crash leading to error 003.īy running the league of Legends game client and the executable file as an administrator, the error 003 can be quickly resolved. It is important to remember not to delete all the files because this might affect the core game files. Go to Rads, then Projects to lol_game_client releases.Ĭlick on delete the latest release file that will delete the last patch which your computer will try to download again. To do this Close your game client and find your list of installed program files. Delete data from Release fileĪ significant number of gamers have reported a quick resolution to the error 003 by deleting the Release file’s contents. However, if the issue persists, check your internet connection before relaunching the game. Once back online, you may try launching the game again. Simply close your game client and restart your machine. Table Summary: How to Fix error code 003 on League of Legendsįixing error code 003 on League of Legends Restart computerĪgain, this is the most basic troubleshooting technique you should use as a first attempt at fixing the error.

Fixing error code 003 on League of Legends.

Hextech repair tool not working