The D3dx9_26.dll missing error can be repaired quite easily as you’ll find out in the following post. This module is part of an important component called DirectX and this is where you need to start in order to repair this annoying error message.
As mentioned earlier this dll module is part of Microsoft DirectX.
DirectX is offers Windows-based PCs an enhanced and better experience when running and displaying multimedia based programs. This specific dl module is usually located at your C:\Windows\System32 folder.
Common known problems
You might encounter errors with this dll file when running multimedia based applications like PC games as one example. You’d usually encounter the following error message: d3dx9_26.dll is missing or The program can't start because d3dx9_26.dll is missing from your computer. Try reinstalling the program to fix this problem.
What causes this error?
(1) Using incompatible version of this file
(2) The file is missing from your PC
(3) The file is corrupted
(4) Using incorrect/outdated drivers
(1) Download the latest DirectX installation
Usually, your Windows auto-update should take care of that, however, unfortunately it seems like it doesn’t offer regular updates to that part of Windows. So, simply download the latest DirectX installation from Microsoft’s site and install it – this in most cases solves the problem.
In case it didn’t solve the problem…
(2) Detect and replace incompatible/corrupt/outdated drivers
Problematic drivers are another common reason for the D3dx9_26.dll missing error. You can use the following drivers scanner in order to detect and replace problematic drivers.