Download d3dx9_42.dll file to fix Horizon Forbidden West’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 Horizon Forbidden West 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 Horizon Forbidden West. Once we have diagnosed d3dx9_42.dll error in Horizon Forbidden West, we will look at various ways to fix it.

  • Developer: Guerrilla Games
  • Publisher: Sony Interactive Entertainment
  • Release Date: 2021

What You Need to Run Horizon Forbidden West

Minimum Horizon Forbidden West Requirements

  • Operating System: Win 7 64
  • Processor: Intel Core i5-2500K 3.3GHz / AMD FX-8320
  • RAM/Memory: 8 GB RAM
  • DirectX Version: DirectX 11 Compatible Graphics Card
  • Disk Space: 65 GB Hard drive space
  • Display Card: AMD Radeon RX 570 4GB or NVIDIA GeForce GTX 970 4GB

How to Fix d3dx9_42.dll is missing error in Horizon Forbidden West

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 Horizon Forbidden West is to just download and install the version of DirectX that is required by Horizon Forbidden West.

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 Horizon Forbidden West 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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