If you are attempting to relive the survival horror classic Resident Evil 4 on PC, you may have encountered a frustrating roadblock immediately upon launching the game. Instead of stepping into the shoes of Leon S. Kennedy, you are greeted by a system error message stating that or "d3dx9-30.dll was not found."
Instead of downloading a single DLL file from a third-party site (which can be risky), the safest and most effective way to fix this is to update your DirectX libraries directly from Microsoft. download d3dx9-30.dll resident evil 4