League of Legends has been around for many years and has dominated the esports scene. However, over time, it has built up a rogue’s gallery of bugs and error codes that come out of nowhere to haunt your gaming session. In this guide, we’ll go over every League of Legends error code, and how to fix all of them to hopefully get you back into The Rift ASAP.
How to Fix Every League of Legends Error
Error Code 0U
What Error Code 0U Means – Error Code 0U will often cause the client to display assets incorrectly and crash the game.
How to Fix Error Code 0U – You have a few options. Start by running the Hextech Repair Tool. If this doesn’t fix your issue, then try adding League of Legends as a Firewall exception and also repatch the game. If that also fails, reinstall League of Legends through the Hextech Repair Tool.
League of Legends Error Code 004 & Error Code 002
What League of Legends Error Code 004 & Error Code 002 Means – The client failed to patch the game.
How to Fix League of Legends Error Code 004 & Error Code 002: What probably happened is that you either A: lost your internet connection, B: shut off your computer, or C: there wasn’t enough space on your hard drive to download the patch. Just make sure all those issues are addressed, and you should be able to fix it.
What Error 7 Means: Riot’s servers are overloaded, disconnecting players.
How to Fix Error 7: Nothing really you can do. This one you’ll have to just wait out until Riot’s tech team can sort out the issue. Try again later.
League of Legends Error Code 1B
What League of Legends Error Code 1B means: This error usually pops up when you’re having issues with your ISP that keep you from being able to log into the game.
How to Fix League of Legends Error Code 1B: First try running League of Legends on admin mode. If that doesn’t work you’ll likely need to repair/reinstall the client.
Under Maintenance Error
What Under Maintenance Error Means: Strange error that makes it so you can’t download updates from Riot. Usually affects Linux users.
How to Fix Under Maintenance Error: Fixing this error will need the League of Legends client to be repaired.
Unexpected Error With Login Session
What Unexpected Error With Login Session Means: You have multiple instances of Legend of Legends open, and one of them is stuck.
How to Fix Unexpected Error With Login Session: Open up task manager, close down all your instances of League of Legends and start over with a new session.
What Error 0xc0000005 Means: Access to the client is blocked.
How to Fix Error 0xc0000005: Run League of Legends in Administrator mode; if that doesn’t work, do a full reinstall.
A Critical Error Has Occurred
What A Critical Error Has Occurred Means: Something else other than League of Legends is causing the game to break and crash.
How to Fix Critical Error Has Occurred: Close all other apps before playing League of Legends again.
Unexpected Login Error
What Unexpected Login Error Means: Your connection is weak, and you’re unable to connect or download important updates/patches.
How to fix Unexpected Login Error: Try resetting your router or improving your connection.
Unknown Direct X Error
What Unknown Direct X Error Means: Something is up with Direct X, and it won’t let you into League of Legends.
How to Fix Unknown Direct X Error: Update your game drivers. If that doesn’t work, try deleting the game.cfg file.
d3dx9_43.dll is Missing From Your Computer
What “the program can’t start because d3dx9_43.dll is missing from your computer” means: Usually a Windows problem that will prevent you from playing.
How to Fix “the program can’t start because d3dx9_43.dll is missing from your computer“: Make sure all of your Windows updates are downloaded. If it still doesn’t work, try a full reinstall.
If you’re tired of dealing with error codes but still want a little League of Legends in your life, check out our review of The Ruined King.
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