Fix d3dx9_39.dll related errors in LOTUS-Simulator

One of the major frustrations of PC gamers is the infamous "[certain.dll] file is missing" type of errors. Often when install LOTUS-Simulator 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 LOTUS-Simulator. Once we have diagnosed d3dx9_39.dll error in LOTUS-Simulator, we will look at various ways to fix it.

Intro to LOTUS-Simulator

For the first time, bus, tram and train are simulated extremely realistic in a single game and you can drive them, build them or create the world around. LOTUS simulation will never be the same!

  • Developer: Oriolus Software GmbH
  • Publisher: Oriolus Software GmbH
  • Relase Date: 15 Sep, 2018

How to Fix d3dx9_39.dll is missing error in LOTUS-Simulator

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 LOTUS-Simulator is to just download and install the version of DirectX that is required by LOTUS-Simulator.

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 LOTUS-Simulator 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

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