The missing d3dx9_43.dll error usually occurs during gameplay when you enable Game Mode. This issue is about Microsoft DirectX said grouping of APIs to handle multimedia related tasks. Specifically, we talk about game programming and video playing on this platform. d3dx9_43.dll file one of the main file components of DirectX, and once this file is missing, an error appears on the screen. If you go through this too, don’t worry, as we will be discussing a few solutions that promise to solve the problem.

How to fix “D3DX9_43.DLL is missing from your computer” error when playing a PES game

We have found some practical means of solving this error, but first, let’s take a look at the general messages you see in this mess going on.

  • D3dx9_43.DLL Not Found
  • The error of missing file d3dx9_43.dll
  • File d3dx9_43.dll not found.
  • D3dx9_43.dll not found. Reinstalling might help fix this.

Now let’s go over the solutions directly.

Method 1: Update to the latest version of Microsoft DirectX

The latest update is capable of restoring the missing component with newly developed files. DirectX updates can fulfill your needs. For Windows 10, the newest version is DirectX 12. You can access it by going to the Windows Update option. Here are the guidelines for doing the following:

Step 1: Click Start from your PC and select Settings.

Step 2: When you open the default Settings app, you can see different categories. Click on Update & Security .

Step 3: On the next page, Windows Update appears on the top of the page in the left pane. Click on Check for Updates on the right side as indicated in the given video.

Step 4: The operating system starts scanning for available updates that include the latest version of DirectX.

If the update fails, you still have the error d3dx9_43.dll is missing, then follow the next steps.

Method 2: Download and run the DirectX End-User Runtime Web Installer

An incompatible DirectX version could also be responsible for the d3dx9_43.dll is missing error in Windows 10 operating system. But have nothing to worry about with the help of DirectX End-User Runtime Web Installer, you can revert to DirectX version 9.0 or any other old version. You need to follow the below steps to do the following:

Step 1: Launch any web browser and go to Microsoft’s official website.

Step 2: After visiting the page, you will see a search box in the top right corner. Enter ” DirectX End-User Runtime Web Installer ” and press the Enter key.

Step 3: From the results, locate and click on the same option.

Step 4: Before continuing to Download, press the Select Language drop-down menu to choose the appropriate language.

Sửa lỗi d3dx9_43.dll missing windows 10

Step 5: The next task is to wait for the download to finish. Follow the instructions that appear on the screen to complete the installation. Finally, give an attempt to the game and check for the existence of the bug.

Unfortunately, if the error message d3dx9_43.dll is missing still appears, you should try updating the “video card driver”.

Method 3: Update Video Card Driver

Incompatibility, old, and an outdated video card driver, could also be the reason behind this mess. As a result, it is advisable to update it once encountered by an error. Manual updates are pretty easy from the manufacturer’s website. The process is as follows:

Step 1: Go to Driver’s manufacturer’s official website using your preferred web browser.

Step 2: Search for the most recent driver on that page. Download the version that is compatible with PC configuration and Windows 10 Operating System.

Method 4: Reinstall the affected program

There is a probability that the error related to the game or program is affected. If you cannot solve the error with all of the above solutions, try to install the program again. It could be a perfect solution.


DirectX is an essential program in the case of Video games. This is the reason it gives great importance to game freaks. The missing d3dx9_43.dll errors eventually affect DirectX. Therefore, you need to fix this persistent error as soon as possible. Read and follow the procedures to solve and eliminate problems. By doing so, you can have a perfect and effortless gaming experience on your computer.