This includes Windows 11, Windows 10, etc.

How to Fix D3dx9_39.dll Errors

Don’t download theDLL filefrom a “DLL download” site.

There are a number of reasonswhy downloading DLLs like that is almost always a bad idea.

D3dx9_39.dll error message

If you already have, delete the file immediately and continue with these steps.

start your computerif you haven’t yet.

The error might be a fluke and a simple restart could clear it up completely.

load the latest version of Microsoft DirectX.

Chances are, upgrading to the latest version of DirectX will fix the “not found” error.

The DirectX program you’re looking for might be nameddxsetupor something similar.

One quick way to find it is to search with a tool likeEverything.

Uninstall the game or software program and then reinstall it again.

Restore the d3dx9_39.dll file from the latest DirectX package.

Update the drivers for your video card.

Need More Help?

This means issues related to this file are caused in one way or another by a problem with DirectX.

There are several ways d3dx9_39.dll errors can show up on your gear.