If you are trying to run a game or an application that requires DirectX, you may encounter an error message saying that D3dx9 45.dll is missing from your computer. This can be frustrating and prevent you from enjoying your favorite games or programs. But don't worry, there are some easy ways to fix this problem and get your DirectX working properly again.
In this article, we will explain what D3dx9 45.dll is, why it is missing, and how to download and install it correctly. We will also provide some tips on how to avoid this error in the future. Follow the steps below and you should be able to solve the D3dx9 45.dll missing error in no time.
What is D3dx9 45.dll?
D3dx9 45.dll is a dynamic link library file that is part of the DirectX software package. DirectX is a collection of APIs (application programming interfaces) that enable Windows-based computers to run and display multimedia content such as games, videos, and graphics. D3dx9 45.dll is one of the many files that make up the DirectX 9 Extensions, which provide additional functionality and features for DirectX 9.
D3dx9 45.dll is usually located in the same folder as the program or game that requires it. However, sometimes it may be missing, corrupted, or overwritten by another version. This can cause the program or game to fail to start or run properly, and display an error message like this:
The program can't start because D3dx9 45.dll is missing from your computer. Try reinstalling the program to fix this problem.
There are several possible reasons why D3dx9 45.dll may be missing from your computer, such as:
You have deleted or moved the file by mistake.
You have installed or uninstalled a program or game that has overwritten or removed the file.
You have a virus or malware infection that has damaged or deleted the file.
You have a registry problem that has corrupted or deleted the file's entry.
You have an outdated or incompatible version of DirectX installed on your computer.
How to Download and Install D3dx9 45.dll?
The easiest and safest way to fix the D3dx9 45.dll missing error is to download and install the latest version of DirectX from the official Microsoft website[^1^]. This will ensure that you have all the necessary files and updates for your DirectX software. Here are the steps to do this:
Go to https://www.microsoft.com/en-us/download/details.aspx?id=35 and click on Download.
Select your preferred language and click Next.
Save the file dxwebsetup.exe to your computer and run it.
Follow the instructions on the screen to complete the installation process.
Restart your computer and try running the program or game that was giving you the error.
If this method does not work, you can also try downloading and installing D3dx9 45.dll manually from a reliable source such as https://www.dll-files.com/d3dx9_43.dll.html. However, this method is not recommended as it may expose your computer to security risks or cause further problems. Here are the steps to do this:
Go to https://www.dll-files.com/d3dx9_43.dll.html and click on Download.
Select the version of D3dx9 45.dll that matches your system architecture (32-bit or 64-bit) and click Next.
Save the file d3dx9_43.zip to your computer and extract it using a tool such as WinZip or WinRAR.