Fix d3dx9_39.dll related errors in Killing Floor 2

One of the major frustrations of PC gamers is the infamous "[certain.dll] file is missing" type of errors. Often when install Killing Floor 2 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 Killing Floor 2. Once we have diagnosed d3dx9_39.dll error in Killing Floor 2, we will look at various ways to fix it.

Intro to Killing Floor 2

6-player co-op Zed-slaughtering mayhem. And now, 12-player Versus Survival mode, too - now you can BE the Zeds!

  • Developer: Tripwire Interactive
  • Publisher: Tripwire Interactive
  • Release Date: 18 Nov, 2016

What You Need to Run Killing Floor 2

Minimum Killing Floor 2 Requirements

  • Operating System: Win7 64-bit, Win8/8.1 64-bit
  • Processor: Core 2 Duo E8200 2.66GHz or Phenom II X2 545
  • RAM/Memory: 3 GB RAM
  • DirectX Version: Version 10
  • Disk Space: 20 GB available space
  • Display Card: GeForce GTS 250 or Radeon HD 4830

How to Fix d3dx9_39.dll is missing error in Killing Floor 2

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 Killing Floor 2 is to just download and install the version of DirectX that is required by Killing Floor 2.

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 Killing Floor 2 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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