How To Fix ‘d3dx9_43.dll missing’ Error In Windows 7
 

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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‘.


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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.


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