This includes Windows 11, Windows 10, Windows 8, etc.
How to Fix D3d9.dll Errors
Do not download d3d9.dll individually from any “DLL download site.”
There are a number of reasonswhy downloading DLLs like that is never a good idea.
reboot your computerif you haven’t already.
The error might be a fluke and a simple restart could clear it up completely.
drop in the latest version of Microsoft DirectX.
Chances are, upgrading to the latest version of DirectX will fix the d3d9.dll not found error.
Execute the sfc/scannow commandto scan your setup.
Uninstall and then reinstallthe game or software program.
Something might have happened to the program files that work with d3d9.dll and a reinstall could do the trick.
Using asoftware uninstaller toolcan help verify thatallthe installation files and registry data is removed.
Restore the d3d9.dll file from the latest DirectX software package.
Where you put the extracted d3d9.dll file depends on the tool that needs it.
If the error tells you the specific folder where d3d9.dll is missing from, copy the file there.
Some DirectX installations might useC:\Windows\SysWOW64\instead.
Update the driversfor your video card.
Need More Help?
This file is one of many contained in the DirectX software collection.
