Solution to ‘d3dx9_41.dll not found’ Error

The d3dx9_41.dll file is part of DirectX, which is a set of APIs (Application Programming Interface). These APIs permit programmers to write programs that have the capability to access hardware features present in a computer without any prior knowledge of what hardware will be installed on the computer and which program will eventually use it.

Developed by Microsoft for its different versions of Windows operating systems, DirectX allows multimedia applications, such as games to take advantage of hardware acceleration features that are supported by graphics accelerators.


As d3dx9_41.dll is part of Microsoft’s Direct X and DirectX is mostly used by Windows operated games, you are likely to encounter an error related to this file when you try to run/install a game.

Here are some common error messages that may appear on your computer screen:

  • “D3dx9_41.dll not found. Reinstalling might help fix this"
  • "D3dx9_41.DLL Not Found"
  • “The file d3dx9_41.dll is missing"


The aforementioned errors may occur due to any of the following reasons:

  • The version of DirectX installed on your computer is old.
  • One or more files of the software with which you are receiving the error are corrupt, outdated, or missing.
  • Your video drivers are outdated


To fix the problem, you need to perform the following steps in the sequence they are listed.

Step 1 – Install the latest version of DirectX

Download and install the latest version of DirectX from Microsoft website. If you want to verify the version of DirectX installed on your computer before installing the latest one then this is what you need to do:

  1. Click Start.
  2. Click Run.
  3. In the Run dialog box, type dxdiag and then press Enter to open the DirectX Diagnostic Tool.
  4. Check the information listed against DirectX Version under the System tab.

Step 2 – Uninstall and reinstall the software

If the error persists, we recommend that you uninstall and reinstall the software with which you are getting the error.

For more information on how to uninstall a program on a Windows computer, refer to the steps listed below.

  1. Click Start.
  2. Click Control Panel.
  3. Double-click Add or Remove Programs to open its corresponding window.
  4. Select the program you wish to uninstall in the Currently installed programs list.
  5. Click Uninstall.
  6. Restart Windows after the uninstallation process is over.

Step 3 – Update your video driver

Lastly, update your video card drivers using a reliable and easy-to-use driver update tool. Although you install the latest drivers manually, the process, without a doubt, is cumbersome and time-consuming.