Along with the MSVCP140.dll, MSVCP100.dll and VCRUNTIME140.dll errors, the D3DX9_43.dll error is one of the most common failures in Windows 10 . In general, these types of errors usually occur when launching a certain game or application in the form of a window with the message “The program cannot be started because d3dx9_43.dll is missing from the computer. Try reinstalling the program to correct this problem ”or“ The program can't start because d3dx9_43.dll is missing ”.
The good news is that it has an easy solution , and we will not need to resort to any third party to proceed with it.
How to install D3DX9_43.dll in Windows 10, Windows 8 and Windows 7
The D3DX9_43.dll error is often related to the Visual C ++ libraries for Visual Studio on Windows 10, 7 or 8. Therefore, we will have to resort to them to solve the D3DX9_43.dll error.
- Download Visual C ++ for Windows
Before proceeding with the download through the Microsoft page, we will have to check the type of system that our computer runs (32 or 64 bits). The process is as simple as right clicking on the Windows icon on the Start bar and accessing System. In the Type of system section we can see the exact amount at which our system runs.
Once we have made sure of the amount of bits on our computer, we will click on the download link and select one of the two files to download. In the case of 64-bit systems, we will have to download the x64 file , while for 32-bit systems it will be the x86 file .
Finally we will install the tool as if it were a common program and we will restart the computer so that the changes are applied .
Where to download D3DX9_43.dll for Windows 10, 7 and 8
If the above process did not work, we will most likely have to install the file in question manually.
- Download D3DX9_43.dll for 32-bit systems
- Download D3DX9_43.dll for 64-bit systems
When we have downloaded the file and unzipped it, the next step to solve the D3DX9_43.dll is missing error is based on moving the same file both to the program folder that issues the error and to the system folders .
In the case that GTA V, Google Chrome, LoL or WoW is the program that shows us the error, we will right-click on its icon on the Windows Desktop and select the option Open the file location .
Finally we will paste the D3DX9_43.dll file into the folder containing the erratic application or game. In the event that several programs are affected, we will have to repeat this same process as many times as there are number of programs .
To prevent the error from occurring again in other programs, it is recommended to paste the same file in the following path:
- C: \ Windows \ System32 \
Solution to D3DX9_43.dll error if none of the above works
In the event that none of the above has worked to solve the error D3DX9_43.dll is missing or D3DX9_43.dll is missing, we will have to resort to the Command Prompt to repair the files related to the Windows libraries.
Accessing the program is as simple as typing in the Windows CMD search bar and right-clicking to run it with administrative privileges .
Then we will write the following command:
- sfc / scannow
Automatically a diagnostic tool will be run, in addition to adding missing libraries, it will repair all those files that show some type of error . Once the process is finished, it is recommended to restart the computer for the changes to take effect.