Download d3dx9_42.dll file to fix Microsoft Flight Simulator’s d3dx9_42.dll error

One of the major frustrations of PC gamers is the infamous "[certain.dll] file is missing" type of errors. Often when install Microsoft Flight Simulator and try to play it, you will encounter this d3dx9_42.dll file missing error. In this post, we will learn how to diagnose d3dx9_42.dll related error in Microsoft Flight Simulator. Once we have diagnosed d3dx9_42.dll error in Microsoft Flight Simulator, we will look at various ways to fix it.

Intro to Microsoft Flight Simulator

Microsoft Flight Simulator is a series of amateur flight simulator programs for Microsoft Windows operating systems. In this game, you have to control your aircraft and land it carefully and make a successful landing, share your skills in any situation of weather, the rounds of this game are very difficult but if you landed your aircraft you'll be the winner of this game and the new aircraft will be unlocked for you. In the new edition of Microsoft Flight Simulator 5 new aircraft are released, if you want to download the new edition of this game you can easily download it from Steam. Microsoft Flight Simulator can be played on Xbox Series X and Series S, Microsoft Windows, Xbox Cloud Gaming, and OpenXR.

  • Developer: Microsoft Corporation, Xbox Game Studios,
  • Publisher: Microsoft Corporation, Xbox Game Studios, Ubisoft, subLOGIC, ak tronic Software & Services GmbH, Xplosiv
  • Release Date: December 18, 2014

What You Need to Run Microsoft Flight Simulator

Minimum Microsoft Flight Simulator Requirements

  • Operating System: Win 7 64
  • Processor: Intel Core i5-4460 3.2GHz / AMD Ryzen R3 1200
  • RAM/Memory: 8 GB RAM
  • DirectX Version: DirectX 11 Compatible Graphics Card
  • Disk Space: 150 GB Hard drive space
  • Display Card: AMD Radeon RX 570 4GB or NVIDIA GeForce GTX 770

Microsoft Flight Simulator Gameplay

How to Fix d3dx9_42.dll is missing error in Microsoft Flight 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_42.dll is missing error in Microsoft Flight Simulator is to just download and install the version of DirectX that is required by Microsoft Flight 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_42.dll

Another way of fixing d3dx9_42.dll is missing error in Microsoft Flight Simulator is to simply download d3dx9_42.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_42.dll related errors

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