One of the major frustrations of PC gamers is the infamous "[certain.dll] file is missing" type of errors. Often when install League of Legends and try to play it, you will encounter this d3dx9_39.dll file missing error. In this post, we will learn how to diagnose d3dx9_39.dll related error in League of Legends. Once we have diagnosed d3dx9_39.dll error in League of Legends, we will look at various ways to fix it.
Intro to League of Legends
League of Legends is a multiplayer online battle arena video game developed and published by Riot Games for Microsoft Windows and macOS. The game follows a freemium model and is supported by microtransactions, and was inspired by the Warcraft III: The Frozen Throne mod, Defense of the Ancients.
- Developer: Riot Games
- Publisher: Riot Games
- Release Date: October 27, 2009
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How to Fix d3dx9_39.dll is missing error in League of Legends
Download & install DirectX
DirectX is a bunch of APIs mixed together that handle multimedia related tasks such as playing high fi video games, video and 3D content. One of the basic steps to fix d3dx9_39.dll is missing error in League of Legends is to just download and install the version of DirectX that is required by League of Legends.
Typically, DirectX 9 or 11 do just fine for most video games.Download DirectX9 here.
Often, just downloading and installing DirectX will solve your problem. However, if you are still facing the problem. Let's move on the next step, shall we?
Download & install d3dx9_39.dll
Another way of fixing d3dx9_39.dll is missing error in League of Legends is to simply download d3dx9_39.dll file as per your PC configuration and install it in Windows\System32.
To download file from our secure servers, go to the following page: fix d3dx9_39.dll related errors