How to Overcome D3DX9_43.dll is Missing When Running Games/Software

Eabdus

20 May, 2022

Do you know what D3DX9_43.dll means? This file is one of the files needed for game installation. So what causes this to happen? For those of you who often play games on PC, you will be surprised because it will issue a notification that D3DX9_43.dll is missing suddenly, this is because the file was lost or deleted unconsciously by yourself.

The problem arises when the installation of applications/software is common. Nobody wants that to happen, but what can you do? A fix is the last solution. Sometimes there are problems that arise when installing the application. One of them is when installing games like PES and others. Actually, installing the application is not difficult, you just have to understand the steps.

Then whatever makes the much-needed D3DX9_43.dll file is missing. In this article, we will discuss it. Note: make sure before you understand when you want to install the application on a computer or laptop so that there are no problems.

What is The Cause of Missing D3DX9_43.dll?

1. D3DX9_43.dll Got a Virus

The first cause that makes the D3DX9_4.dll file disappear is being exposed to a virus. Maybe when you download the file no problem occurs. However, when you extracted the file you forgot to turn off the antivirus. Antivirus does detect viruses in various files even though the marked files are not viruses, I also don't know why.

Therefore, when you want to install applications/software it is recommended to turn off the antivirus. So that during the installation process you will not experience any problems. That way the installation process will not be constrained at all.

2. Error When Downloading

When you want to download large-capacity files, the most important thing is that you must have a fast and stable internet connection. When your internet is slow, chances are the files you download will fail. If you use the internet download manager you can continue the process of downloading the file. But the problem is when you don't use the software to download and the download finishes suddenly sometimes this D3DX9_43.dll problem will appear.

Downloading files is easy because there are many sites that provide whatever we want, we just have to choose. However, when we download there are several things that cause download quality problems. One of them is an internet connection that is less stable. Maybe, D3DX9_43.dll is missing due to problems with unstable connections during download.

How to Solve D3DX9_4.dll is missing

Then how to solve the file D3DX9_43.dll is missing when running applications or games? There are two ways, follow the steps below for more details.

1. Check the Version of Windows You are Using First

The first step, check your computer's version of Windows. Whether to use the 32-bit or 64-bit version. By clicking the windows icon on the desktop.
After that, find and type "File Explorer".
Then, on File Explorer find "My Computer" or "This PC" right-click and select properties.
After that, you will see the version.

2. Download D3DX9_43.dll According to the Windows Version

At this stage, we need to download the missing D3DX9_43.dll file from our computer device. You can visit the following link.
Remember, we have to adjust the version of windows installed on the computer if our computer uses the 32-bit version then download the 32-bit version and for the 64-bit version choose the 64-bit version. then select download.
After the file is successfully downloaded, you need to extract it first. Select extract to D3DX9_43.
Next, right-click - copy file D3DX9_43.dll.
After that, go to Local Disk (C:) - Windows - System32. then paste the file there.
If you get a notification like the below just select "continue".
After that, try restarting your laptop or computer. Then the problem D3DX9_43.dll is missing problem that appears will disappear.