d3dx9_43.dll: what is it and how to fix the error caused by the absence of this file

In this article we will talk about what is d3dx9_43.dll, why there is an error related to the absence of this library and how to fix it. Despite the fact that the software most often has these components in its composition, there are exceptions that become the cause of this error, but first things first.

Definition

Now we will examine in detail what d3dx9_43.dll is, we will also find out why there are errors in the system associated with this component, and after that we will give an answer on how to fix this very error.

d3dx9_43.dll is a component of the DirectX 9 package known to gamers. Based on the fact that DirectX is used for working with 3D graphics, we can conclude that the d3dx9_43.dll library is necessary to provide tools for the interaction of the operating system with the graphic components of a particular software, most often, of course, games.

Causes of error

The error arises when, when the program or game starts, the system scans all the libraries and does not find the necessary one. Purely theoretically, the game could start, but the display of 3D models would be incorrect, so the system interrupts this process at the initial stage.

If everything is clear with the definition, then there are many reasons for the error. The most common is when d3dx9_43.dll is missing after installing Windows, when you need to download a lot more to the operating system. But there are times when the antivirus considers the file to be infected and quarantines it, and it is not so much the fault of the antivirus itself as the user, because the file was infected due to careless use of the Internet.

Now, knowing what it is - d3dx9_43.dll, you can proceed to resolve the error caused by its absence.

Solution One: Install DirectX 9

After we found out what it is - d3dx9_43.dll, we can make a reasonable conclusion that fixing the error can be done by installing the DirectX 9 package, because we know what library we need with this package.

However, one cannot be decisive here either, because one must know how to download and install this library. Not. There is nothing unusual in this, it is installed like any other application in the system, but it is important to know where to download it from. We’ll talk about this now.

Since DirectX is a system component, you need to download it exclusively from the official Microsoft website, otherwise you can pick up a virus that will only aggravate the situation. So, follow the instructions to properly download and install the package:

1. In any search engine, search for "download directx 9".
2. In the search results, click on the link in the domain name of which is indicated microsoft.com.
3. On the download site, initially determine the language of your operating system and click the "Download" button.

That's all, now the download of the component we need has started. Upon its completion, run the file and perform the installation. This is done quite simply: at the first stage you need to agree to the license agreement and click the Install button, and at the second, after the installation process, click the Finish button.

Now you know how to fix the error associated with the absence of the d3dx9_43.dll program, but if this method did not work for you, then go on to the next one.

The second solution: using DLL-File.com

To fix the error caused by the d3dx9_43.dll file in Windows 7, and in any other version of the operating system, you can use a special program called DLL-Files.com. This is a fairly convenient and simple application that will do all the work for you, the main thing is to correctly specify the necessary parameters for it.

So, to fix the error using this program, you must first download it. It is recommended to download from the official site, as this is a 100% guarantee that you will not catch the virus. After downloading and installing the program, run it and follow these steps:

1. On the main screen in its central part, enter the name dll in the search bar.
2. Click on the "Search Now" button.
3. At the end of the search, click on the name of the desired library with the left mouse button.
4. Click the "Install" button.

Next, the program will automatically download and install the library in your system. As you can see, the second method is quite fast compared to the first. By the way, with the help of this program you can install other libraries that cause an error.

Third Solution: Manual Installation

If none of the methods helped you, then you can always fix everything manually. Of course, this will require a lot of knowledge in the field of the operating system, but with the help of the detailed instructions that will be attached below, you will succeed:

1. You need to download the d3dx9_43.dll file to your computer. You can download it on any thematic site, since there are a lot of them. However, be careful, many attackers spread viruses in this way.
2. Having downloaded the file to the computer, it would be nice to scan it with antivirus, just in case.
3. If no threats are detected, then you can proceed with the installation. It happens a little differently than a regular program. You need to move this file to the System32 directory, which is located on the path "C: \ Windows \ System32".

After you move the library file there, the error will be fixed, which means that you can safely open programs that were not working before that.