If you are getting an error that ‘d3dx9_43.dll is missing’ while starting an application in Windows 7, follow the following steps to fix it:
1. Go to Microsoft’s website to get ‘DirectX End-User Runtime Web Installer‘.





Click ‘Download’ to download the ‘dxwebsetup.exe’ file.
2. Execute the downloaded ‘dxwebsetup.exe’ file and it will download and install the optional DirectX components.











Click ‘Finish’ when done. Try running your application now, the ‘d3dx9_43.dll is missing’ error will not appear again.

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