How to Fix d3dx9_43.dll Missing Error in Windows 10. Microsoft upgraded the Direct X version to DirectX 12 in Windows 10. The d3dx9_43.dll Missing Error in Windows 10 appears like The program can’t start because d3dx9_43.dll is missing from your computer. Try reinstalling the program to fix this problem. So the graphics performance got enhanced in Windows 10 owing to DirectX12, but we also some errors to deal with. However there is a fix. Usually the error appears for applications using high end graphics (mostly games). When the application or game which may be designed for a previous DirectX version, the error appears.
Below are other files which are also associated with the d3dx9_43.dll Missing Error:
- D3DX9_24.DLL through D3DX9_43.DLL
- D3DX10.DLL through D3DX10_43.DLL
- D3DX11_42.DLL and D3DX11_43.DLL
- D3DCSX_42.DLL and D3DCSX_43.DLL
- XACTENGINE2_0.DLL through XACTENGINE2_9.DLL
- XACTENGINE3_0.DLL through XACTENGINE3_7.DLL
- XAUDIO2_0.DLL through XAUDIO2_7.DLL
- XAPOFX1_0.DLL through XAPOFX1_5.DLL
- X3DAUDIO1_0.DLL through X3DAUDIO1_7.DLL
- XINPUT1_1.DLL through XINPUT1_3.DLL
So you may be facing the d3dx9_43.dll Missing Error because of any of the above listed dll files. If you are using Windows 8 or Windows 10 and facing the error, follow the steps mentioned below to resolve the issue.
How to Fix d3dx9_43.dll Missing Error in Windows 10
- Download DirectX End-User Runtime (EULA) from Microsoft’s website
- Connected to the Internet (if not already connected)
- Run the installer that you downloaded
- The installation begins while downloading some more files in the process
- Once installed, reboot the PC
Now you know how to fix d3dx9_43.dll Missing error. Check out How to fix Windows Live Mail Error 0x800ccc79.
