Many games from the mid-2000s were developed using a specific version of the DirectX Software Development Kit (SDK). Because these applications are "linked" to specific DLL files (like d3dx9_35.dll ), they will crash or fail to launch if those exact files are missing, even if you have a newer version of DirectX installed.
Method 1: The Official Microsoft DirectX End-User Runtimes (Recommended)
(a small number of later DirectX 9 games and tools) require the 64‑bit versions, which are installed into C:\Windows\System32 . directx 90c extra files x86 x64
Failing to install both can lead to inconsistent behavior where some games work, and others crash immediately. The Solution: DirectX Redistributable (June 2010)
Required for 64-bit games. They reside in C:\Windows\System32 . Many games from the mid-2000s were developed using
Legacy games are almost exclusively 32-bit applications. Even on a 64-bit operating system, a 32-bit game requires the 32-bit versions of the DirectX 9.0c extra files.
Used by 64-bit applications and emulators that utilize older rendering pipelines. System Directory Placement Failing to install both can lead to inconsistent
If your gaming PC is offline, or if the web installer fails due to server issues, you should use the comprehensive offline archive. This package contains every single extra file ever released for DirectX 9.0c.
This error often points to an architecture mismatch. For example, a 32-bit application may be trying to load a 64-bit DLL, or vice versa. It could also indicate a corrupted Visual C++ Redistributable. Here’s how to resolve it:
Run the downloaded file ( directx_Jun2010_redist.exe ).