Many PC games (e.g., BioShock, The Witcher 2, Mass Effect 2 ) include a _CommonRedist\DirectX or DirectX folder. Running the DXSetup.exe inside will install the required DLLs.
This will place the correct version of d3dx9_46.dll into: d3dx9 46.dll file download
Follow the prompts (you can usually uncheck any optional toolbars). Restart your computer. 2. Reinstall the Program Many PC games (e