There are many errors code message pop up when trying to open some Apps on a PC, such messages are 0x80004005, 0x80070002, 0x80070057, 0x80070005, or D3dx9_43.dll, if you check our previous posts, you will find how to fix most of the error mentioned above.
Most of those errors are caused by a problem with Microsoft DirectX, Microsoft Visual C++, or .NET Framework. But error D3dx9_43.dll usually arises from Microsoft DirectX problem. In this tutorial, we are going to explain how to fix D3dx9_43.dll Not Found or Missing Errors.
What is D3dx9_43.dll?
D3dx9_43.dll is a file, and it is one of the DirectX software collection files. DirectX is required by most Windows games and some Applications that require advanced graphics programs before could run perfectly. So, d3dx9_43 DLL errors usually show up only when you use these advanced programs.
How to Fix D3dx9_43.dll Not Found, or Missing Errors?
There are many way error d3dx9_43.dll can display on your Computer. Here are the common ways the error shows up: The file d3dx9_43.dll is missing, D3dx9_43.DLL Not Found, D3dx9_43.dll not found. Reinstalling might help fix this or File d3dx9_43.dll not found. If you see any of the messages, they complaining about the same problem. This problem happens to both old Miscrosoft windows and the new ones.
How to Fix D3dx9_43.dll Errors
Some people try to fix this error by downloading a new d3dx9_43.dll DLL file from some sites, this cannot actually fix the problem. So, you have already tried this, you are advised to delete those files from your computer and try the methods below:
Restart your computer if you haven’t yet. The d3dx9_43.dll error might be an iffy and an ordinary restart could solve the issue.
Install the latest version of Microsoft DirectX from Microsoft official website. The error d3dx9_43.dll not found error could be fixed by just upgrading to the latest version of DirectX.
Microsoft sometimes releases updates to DirectX without updating the version number, so you may be thinking your DirectX is up to date meanwhile it is actually not, just make sure that you install the latest released of DirectX.
How Do I Fix The Application Was Unable to Start (0xc000007b)” error in Windows
You can install the same DirectX installation program for all windows, such as Windows 11, 10, 8,8.1, 7, and Vista, XP… It replaces any missing Direct 12, DirectX 11, DirectX 10, or DirectX 9 files.
If installing the latest DirectX version from Microsoft doesn’t solve the d3dx9_43.dll error on your windows then do DirectX installation program on your game or application DVD. Usually, if an App uses DirectX, the software developers should include a copy of DirectX on the installation file. Sometimes the DirectX version included in the software installation file works better for the program than installing the latest version online.
Uninstall the App from your Computer and reinstall it again. Possibly, it might be the files in the program that perfectly work with d3dx9_43.dll and a reinstall could get it solved.
If you have tried all the above methods and none works for you then you can restore the d3dx9_43.dll file from the latest DirectX software package, and extract the d3dx9_43.dll one by one from the DirectX downloadable package.
Another method is by updating video card drivers. In some situations, updating the drivers for the video card in your computer could fix this DirectX issue.