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posted this on July 03, 2013 15:00
League of Legends keeps many notes on the operation of your game during a play session. Specific logs are kept for patching, PVP.Net chat and playing the game. When seeking assistance with a technical issue it is important to submit the logs that are relevant to your information. This will help to quickly pinpoint the problem and provide a timely solution.
Please do not copy and paste logs into your response. This not only makes them harder to read but also often omits vital information contained in the log. Simply attach the file to your support ticket or forum post.
Below are the links to instructions on how to acquire different logs from League of Legends:
These logs are useful for: Stuck Patches, Server Unavailable and Unspecified Launcher Errors
The patcher is responsible for keeping your installation of League of Legends up to date with the newest champion, skins and features. Problems that require patcher logs occur when you first boot up the game and before you hit the "Play" button. There are two log files that will contain any error messages you receive while at this window:
Directory: C:\Riot Games\League of Legends\RADS
C:\Riot Games\League of Legends\Logs\Patcher Logs
In-Game r3d Logs:
These logs are useful for: In-Game Errors, Graphical Problems and Frame Rate Issues
A game log is created each time you play a game. It contains vital information about your loading process and will log any errors that occur during the course of the game. These logs are essential for troubleshooting in situations where you have problems in-game.
Each file appears like this: [2013-08-27T15-40-03] _r3dlog.txt
C:\Riot Games\League of Legends\Logs\Game - R3d Logs
Air/PVP.Net/Chat - LolClient Logs:
These logs are useful for: Chat Problems, Login Problems, Store Problems and Profile Errors
PVP.Net is our platform for in-game chat, along with your friend's list, profile page and matchmaking. Its logs contain all the information about errors you receive from the Login Screen through champion selection. This logging function ends when you enter a game after the champion select timer expires. One log is created per each play session, and each file will appear like this: LolClient.20110429.200043.log (The file name will include the time it was created - in this case: April 29th, 2011 at 20:00:43 (8PM)).
C:\Riot Games\League of Legends\RADS\projects\lol_air_client\releases\[VERSION NUMBER]\deploy\logs\
These Diagnostics are useful for: In-Game Errors, Blue Screens and Most Issues
These give us information about your systems hardware configuration and are useful in almost all situations. It is a good idea to include a DirectX Diagnostic (DxDiag) when you experience any technical problems.
Here is a short guide to obtaining a DxDiag:
Press [Windows Key] + 'R' key
Type dxdiag in the field and hit 'Ok'
The DirectX Diagnostic Tool will open. Press the "Save All Information..." button.
Maestro is a piece of software that allows various game executable files to communicate with one another. There are two Maestro logs (maestro-server.log and maestro-game_client.log) and both are vital to troubleshooting potential problems with Maestro: