Fix it already by applying these DIY troubleshooting ideas.
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Whats the d3dx9_43.dll Missing Error?
All the latest Windows 11 and 10 PCs come with built-in DirectX 12 support.
Try the fixes below in the order they appear.
Re-Install DirectX
DirectX June 2010
3.
Allow Microsoft Store App Updates
Lets consider that you installed a game app through the Microsoft Store.
When trying to play the game, you see the The file d3dx9_43.dll is missing warning.
In this situation, do the following:
App updates in Microsoft Store
6.
Apply Pending Windows Updates
Look for Windows updates that you havent applied yet.
Heres how its done:
How to start Windows 11 Updates
7.
Heres how:
Run DISM check
8.
Uninstall and Reinstall the Game App
Often, the game app may install with corrupt game files.
Hence, the component on the game installation folder that recognizes the d3dx9_43.dll file, may be corrupted.
Thus, the game EXE file is unable to determine that the d3dx9_43.dll file is present.
In this situation, you gotta uninstall the game app from Apps > Installed apps.
Then, re-load the game carefully.
Dont run any background app or other software when youre installing the game app.
For example, the game app no longer supports Windows 10 or 11.
You need Windows 7 or 8 OSs to run it.
The game app cant just utilize the DirectX DLL files under the current Windows environment.
Try the troubleshooting mentioned here one at a time and the issue should resolve in no time.
Next up,How to Check GPU Health Using These Best Methods.
