A lot of our users that are still using Windows 8 32 and 64 bit versions have sent us different reports about the d3dx9_30.dll is missing from your computer. Try reinstalling the program to fix this problem. Even the users using the Windows 8 Pro are not immune to it, because it can happen to any operating system. The d3dx9_30.dll error occurs mostly when you attempt to run some games causing the game.exe to stop responding. Windows 8’s corrupted DirectX files is the cause of this problem. You could try reinstalling the DirectX through the official website, but there’s a simpler way to fix this d3dx9_30.dll is missing error.
After spending hours on various forums and threads I found that a lot of users having the same issue with dll file when attempting to run various programs. There are various solutions to fix the issue, but some of them involve downloading some third-party software, which is risky. Therefore, if you’re unable to fix the d3dx9_30.dll is missing error by reinstalling DirectX, or you’re just not interested, you can download and then install the d3dx9_30.dll library from https://fix4dll.com/d3dx9_30_dll. Doing this should fix your Windows 8 d3dx9_30.dll is missing error. You can get the installation instructions on the website, then copy and paste it. If you found this guide helpful in fixing your d3dx9_30.dll is missing error, please feel free to share so others can benefit from it.