CAD tip # 8595:

Question

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Cannot run program - 3d3dx9_43.dll is missing

If you get the message about a missing DLL file "d3dx9_43.dll" when trying to run 3ds Max (or other application), this is probably caused by a problem in the Windows system component - DirectX.

3ds Max requires full support of DirectX and some versions of graphics card drivers do not properly provide this support. Try to update the Windows driver of your graphics card, or to change the graphics mode of your 3ds Max, or to update the system component DirectX by reinstalling its runtime from DownloadMicrosoft DirectX runtime 9.0x.

3dsmax

* CAD

19.4.2012 10328×

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3ds Max

applies to: 3ds Max ·

See also:
Tip 14080:	AutoCAD 2025 is not displaying some fonts correctly.
Tip 12951:	How to disable DirectX 12 in AutoCAD 2022/2023/2024?
Tip 10791:	How to force Fusion 360 to use DirectX 9 or 11?
Tip 9141:	Improving presentation quality for 3D models in Navisworks 2013.
Tip 8937:	Using 3D models from 3ds Max for Direct3D applications in Windows 8.

Selected tip: Y2K9 bug in 3ds max 2008 - activation error (expired).

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