“The program can’t start because D3DX9_25.dll is missing.” “How to fix the D3DX9_25.dll error,” “The file D3DX9_25.dll is missing .” One of the most common errors, according to dozens of users, is related to the D3DX9_25.dll file. Apparently, the error in question arises when trying to run a specific program that depends on that file. The good news is that this error has an easy solution, which we’ll see below.
Solution to the error D3DX9_25.dll is missing from your computer
As with most DLL files, the execution of certain programs depends on the Visual Studio C++ library . This is a set of libraries developed by Microsoft for the correct execution of certain graphical applications. The solution, therefore, is to reinstall this library.
Before proceeding with the download, the first thing we’ll need to do is determine our computer’s architecture, which can be 32-bit or 64-bit. To do this, right-click the Windows icon in the Start menu; then click System. The window that appears will show the PC’s information, including the processor architecture in the System Type section .
Now we can proceed to download the program from the Microsoft website . The installation process is the same as for any other program, although we’ll need to restart the computer once the libraries are installed .
Download the D3DX9_25.dll file to install it manually
If the problem persists, the next step is to download the file manually and install it in its corresponding execution directory.
- Download D3DX9_25.dll 32-bit
- Download D3DX9_25.dll 64-bit
Now we just have to paste the file into the root of the following path folder.
- Local disk C:/Windows/System32/
If our computer’s architecture is 32-bit, we will also have to paste the file in the following path:
- Local disk C:/Windows/SysWOW64/
Move the D3DX9_25.dll file to the program installation path
Another way to force a specific program to run is to move the library in question to the application’s installation path. Simply right-click the program’s icon on the Windows desktop and then click Open File Location.
In the folder that will open next, we will move the library that we just downloaded , as can be seen in the screenshot above.
And if none of the above works…
We’ll need to use the Windows command prompt, also known as CMD. Simply type its name into the Windows Start menu search bar, then right-click the program icon to run it with administrative privileges .
Within the CMD, we will write the following command:
- sfc /scannow
Windows will automatically run a diagnostic tool that scans for any errors found on the system. The process may take a few minutes , depending on the speed of your computer’s hard drive.
