If you've ever installed your favorite games on your computer, you've likely faced errors like “d3dx9_43.dll is missing” or “msvcr100.dll is missing.” It can be frustrating to spend hours downloading your beloved game only to encounter errors when reinstalling. Let Mytour guide you through resolving this issue!

For errors like “d3dx9_xx,” the main cause is often the absence of DirectX 9.0c on your computer. Here, we'll present two common methods to fix this issue.
Method 1: Download and Install DirectX 9.0c
Step 1: Download the DirectX 9.0c installer from the following link:
Step 2: After downloading, you'll have the file “directx_Jun2010_redist.” Remember to create a new folder for extracting the DirectX installer.

Step 3:

Step 4: In the extracted folder, you'll find the DXSETUP file. Run that file to install DirectX 9.0c.

Step 5: After running the DXSETUP file, proceed with the normal installation process.

Method 2: Download the d3dx9_43.dll file from dll-files.com
Step 1: Visit the website at the following address:
https://www.dll-files.com/d3dx9_43.dll.html
Choose the suitable 32-bit or 64-bit version for your Windows and click on Download.

Step 2: After downloading, extract the file to obtain “D3DX9_43.dll”.

Step 3: In this step, move the “D3DX9_43.dll” file as follows:
For Windows 32-bit: C:\Windows\System32
For Windows 64-bit: C:\Windows\SysWOW64\

With the two methods provided by Mytour, we hope readers can independently troubleshoot DirectX issues that may arise during game installation by following the detailed steps outlined in the article. Wishing you all success!