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

The article will discuss what d3dx9_43.dll is, why this file is needed and how to install it. Based on the results of reading the article, you will find all the answers to the questions posed and you can independently eliminate errors caused by the absence of this library in the system.

Definition

Initially, before proceeding directly to the story of how to fix the error, it is worth explaining what d3dx9_43.dll is, because you need to know what we are dealing with.

So, d3dx9_43.dll is a library that is one of the components of DirectX 9. The window with the message "Error, d3dx9_43.dll is missing" appears most often when starting games, but sometimes it can also be found in programs. The fact is that this component works with 3D models that are directly found in games or in programs with modeling.

It is also interesting that DirectX 10 or even 12 can be installed on the computer, but the error will still appear. This is due to the fact that in different versions of packages there are different libraries that may not be compatible with certain applications.

Now that we know what d3dx9_43.dll is, we can go directly to how to fix the error caused by the absence of this library.

Method One: By Installing DirectX 9

Understanding what d3dx9_43.dll is, you learned that this is part of the DirectX 9 package. From this, we can already conclude that to add this library to the system, you just need to install the appropriate package. By the way, this particular method is the most correct and safe, which is why we will analyze it first.

So, first you need to download DirectX 9 to your computer. This should be done only from the official website microsoft.com, as the virus infected software may be located on unreliable resources. To download the package correctly, you need to do the following:

1. In any search engine, enter the query "download directx 9".
2. Find and follow the link with the microsoft.com domain name.
3. On the page that opens, select the system language from the drop-down list.
4. Click the "Download" button.

After that, the DirectX distribution will start downloading, wait for it to finish, and then do the following:

1. Run the downloaded file.
2. In the window that opens, set the switch to I accept the agreement.
3. Click the Next button.
4. Wait until the package is installed.
5. Click the Finish button.

After completing all the points, the desired library will be installed in the system, and you can easily start all the programs and games that were not working before.

Method Two: Using the DLL-File.com Client

The above method, as already mentioned, is the most correct, however, as you can see, for its implementation it is necessary to spend a lot of time. The method that will be presented now will take it away from you at least, and in the same way as the previous one, it is completely safe.

To install the desired library in the system, we will use a special program from the DLL-File.com website, with its help you can quickly find and install any dll-file. But since our article is about d3dx9_43.dll, then we will install it.

So, for the correct installation you need to do the following:

1. Open the program.
2. In the search bar on the main screen, write the name of the library.
3. Click the "Search DLL file" button.
4. Click on the name of the library found.
5. Click the "Install" button.

After you do this, the program will automatically download the dll file from the Internet and install it on your computer.

Method Three: Manual Installation

If you like to do everything manually, then this library can be installed in the same way. To do this, you need to download the file and place it in the desired directory on the computer. Just now, we will figure out where to throw d3dx9_43.dll.

So, first download the file to your computer. After that, be sure to check it for viruses, as attackers often put them there. After that, you need to place the downloaded file in a directory. And here there is a difficulty, for example, on Windows 8 d3dx9_43.dll needs to be placed in a folder located on the path "C: \ Windows \ System32", just like in Windows 7 and 10. But in Windows 95/98 / Me the path another: "C: \ Windows \ System", while on Windows NT / 2000 it is: C: \ WINNT \ System32. It is also worth noting that on 64-bit systems, sometimes you need to put the library along the path "C: \ Windows \ SysWOW64".