Any of Microsoft’s operating systems since Windows 98 may be affected by d3dx9_26.dll and other DirectX issues.
This includes Windows 11, Windows 10, Windows 8, etc.
How to Fix D3dx9_26.dll Errors
Don’t download d3dx9_26.dll individually from any “DLL download site”.
There are a number of reasons whydownloading DLLs from these sites is a bad idea.
reset your computerif you haven’t yet done so.
It’s unlikely this will fix the problem, but restarting is always a good first troubleshooting step.
Install DirectX Redist (June 2010).
This includes the d3dx9_26.dll file and should therefore fix the not found error.
Copy it wherever the error says it’s missing from.
Uninstall and then reinstallthe game or software program.
Restore the file from the latest DirectX package.
Update the driversfor your video card.
Need More Help?
There are quite a few ways d3dx9_26.dll errors may show up on your system.
In non-game applications, the error might appear before certain advanced graphics features of the program are used.
