Since DirectX is utilized by most Windows based games and advanced graphics programs, errors usually show up only when using these programs.
D3dx9_39.dll Errors
There are several ways d3dx9_39.dll errors can show up on your computer. Here are some of the more common specific messages:
D3DX9_39.DLL Not FoundD3dx9_39.dll not found. Reinstalling might help fix thisFile d3dx9_39.dll not foundThe file d3dx9_39.dll is missing
The error could apply to any program that utilizes DirectX, but it usually applies to video games. It might be seen when the program or game is first starting or at some point during the initial installation. Some common games that have been known to generate these errors include Combat Arms, Evidyon: Project Volucris, League of Legends, Prince of Persia, Warhammer 40,000: Dawn of War, and more.
How to Fix D3dx9_39.dll Errors
Need More Help?
If you don’t want to fix this problem yourself, see How Do I Get My Computer Fixed? for a full list of your support options, plus help with everything along the way like figuring out repair costs, getting your files off, choosing a repair service, and a lot more. Usually, if a game or another program utilizes DirectX, the software developers will include a copy on the installation disc. Sometimes, though not often, this version is a better fit for the program than the latest version available online.