Symptoms
Safe fixes (recommended, in order)
: Your system has a newer version of DirectX (like DX11 or DX12), but the game specifically requires these older legacy components.
There is no "new" version of d3dx3_30.dll – the naming suggests a typo. If you actually need d3dx9_30.dll , the steps above will resolve the issue. If a program specifically asks for d3dx3_30.dll , that program is likely very old or incorrectly written.
Users typically see an error message like "The program can't start because d3dx9_30.dll is missing from your computer" when launching specific games. This happens because the software requires a specific version of the DirectX runtime that is not currently installed or has become corrupted on your system. How to Fix the Error The most reliable and safest ways to resolve this are: Install DirectX End-User Runtimes : Download and run the DirectX End-User Runtime Web Installer
Symptoms
Safe fixes (recommended, in order)
: Your system has a newer version of DirectX (like DX11 or DX12), but the game specifically requires these older legacy components.
There is no "new" version of d3dx3_30.dll – the naming suggests a typo. If you actually need d3dx9_30.dll , the steps above will resolve the issue. If a program specifically asks for d3dx3_30.dll , that program is likely very old or incorrectly written.
Users typically see an error message like "The program can't start because d3dx9_30.dll is missing from your computer" when launching specific games. This happens because the software requires a specific version of the DirectX runtime that is not currently installed or has become corrupted on your system. How to Fix the Error The most reliable and safest ways to resolve this are: Install DirectX End-User Runtimes : Download and run the DirectX End-User Runtime Web Installer
