It is a part of Microsoft DirectX for Windows that was developed by Microsoft Corporation. It is described in a Dll file known as Direct3D 9 Extensions. Some games or random applications may fail to run properly if the d3dx9_43.dll is missing. It usually occurs when launching the program and most users would receive a pop up message on the screen indicating that the d3dx9_43.dll file is not present.

It is one of the files in the DirectX software collection. The error messages usually appears because most advanced graphic programs and Window based games use the DirectX. There are several ways in which your computer can display the d3dx9_43.dll error message. They include;

  • “The file d3dx9_43.dll is missing”
  • “File d3dx9_43.dll not found”
  • “D3dx9_43.dll not found”
  • “D3dx9_43.dll not found. Reinstalling the program can fix this issue”

It is important to determine the reasons why the d3dx9_43.dll error messages pops out on your screen.Troubleshooting the error message would involve various procedures and the d3dx9_43.dll error is likely to affect any Microsoft operating systems. This problem applies to Windows 7, Windows 7, Windows 10, Windows XP, Windows 98, Windows 2000 and Windows Vista.


How can I fix the d3dx9_43.dll errors?

There are various ways in which you can fix the d3dx9_43.dll errors. They include;

  • Installing the latest Microsoft DirectX version

The error can be fixed by upgrading to the latest version of DirectX. It has a simple installation program which works for a various versions of Windows such as Windows 7, 8, 9 and 10.

  • Reinstalling the program

If you were launching a game or a random application and you received a d3dx9_43.dll error message on your screen, uninstall the program and reinstall it for the second time. Chances are that some of the DirectX files were corrupted after the first installation.

  • Use the recent DirectX Software package to restore the d3dx9_43.dll file

If some of the troubleshooting steps did not work, you can solve the d3dx9_43.dllby restoring the initial Dll file by extracting it from DirectX downloadable package.

  • Updating the video card drivers

The issue may be as a result of outdated video card drivers. It is necessary that your video card drivers are up to date for the program to run properly.

  • Restart your computer

Restarting your PC can be one of the solutions of clearing the d3dx9_43.dll error completely. It also helps to refresh the programs running in the background as the problem may be a fluke.