d3dx9_43.dll: Fix DLL Issues In Windows 7/8/10


You have downloaded the game and installed it for a long time, but at the end, you get the system error message, “The program can’t start because d3dx9_43.dll is missing from the computer. Try reinstalling the program to fix the problem.” 

It becomes really frustrating, and you lose a lot of time as well. Not only after installing the game, but you can get this msg even randomly in a game that was running smoothly last day on your computer. 

Being frustrated is normal, but you need to find out more about the issue and how to fix it. Don’t worry; there are plenty of things that you can do to fix this issue by yourself. We will show you some of the best fixes in this article that will help you with the d3dx9_43.dll issue. 

Top Methods Top Fix The d3dx9_43.dll Issue. 

In this article, we will help you to find out some of the best methods to fix the d3dx9_43.dll. You can try these methods to resolve the issue and get back to your game. All of these methods might not work for you, but one of them will indeed work. So, without further ado, here are the methods given below in detail. 

1. Update The Graphics Card Drivers 

Update The Graphics Card Drivers 

One of the first things you need to try when you are getting the error “d3dx9_43.dll missing” is updating graphics card drives. Many times this issue occurs due to the lack of drivers in graphics cards. 

So, you will need to check if the drivers are missing or outdated when you receive this error. If the drivers are outdated, you will need to update them properly. To download the drivers, you will need to visit the official website and choose the operating system. 

Here are the steps you need to follow to update the GPU drivers

  • Press both R+Windows key to open the Run box and type “devmgmt.msc and ok. You will get a list from which you have to choose the “Device Manager” option. 
  • From there, click on the “Display Adapters” to expand it and get the graphic drivers. 
  • Right-click on the graphic drivers to get the option “Update Driver Software.” 
  • It will automatically search for the latest update 
  • In case there is an update available, install it and restart your computer. 

Apart from this, you can also visit the official website of the graphics card and search for the latest updates to download and install manually. It will help you get the latest drivers available in a few clicks. If this method did not help you fix the d3dx9_43.dll issue, then here are some other methods you need to try. 

2. Reinstall DirectX

Reinstall DirectX

The d3dx9_43.dll missing error occurs when you are not running the latest DirectX version on your computer. So, you will need to get the latest DirectX version to fix this issue and get back on the game. To download the latest DirectX version, you will need to visit the official website of Microsoft. 

However, there is another way to get the latest DirectX file by checking the game package that you are getting errors on. Mostly, the game packages come with the latest version of DirectX with it. So, you just have to find the setup file and run it. However, if you are not able to find it, download it from the official Microsoft website. 

Once you have got the setup file either from downloading it or in the game package, you will need to install it and check if the d3dx9_43.dll missing error is fixed or still there. 

3. Reinstall The Application 

Reinstall The Application

Many times the issue occurs when the program is not properly installed. Before you proceed with the d3dx9_43.dll download, you need to make sure that the program is installed properly. The error does say to reinstall the program as the error occurs. If the installation process is not done right, you will get plenty of other problems when running it. 

So, try to reinstall the program, and this time make sure that your antivirus is not deleting files or removing them without notifying you. Many times, the antiviruses remove the files from the game package that make the d3dx9_43.dll file goes missing. So, you can pause the security for the installation process, or you can turn on the notification. 

It will help you to know when the antivirus is detecting any harmful file and take action manually. After installing the program, you need to check if the error is there or it is gone. If the error is there, here is another method that you can try. 

4. Remove The Latest Updates

Remove The Latest Updates

If you are facing the issue d3dx9_43 dll Windows 10, 8, or 7 missing after installing a new update, you have to remove the latest update. There are some updates of antivirus or Windows that can remove the d3dx9_43.dll file from your computer. 

So, if you are suddenly getting the error message when trying to open a game or program after updating your antivirus or firewall, you will need to go back to the previous update. To do that, you will need to look at the currency version and uninstall the program. 

After that, download the last version and install it on your computer. Also, if you want to get back the d3dx9_43.dll file, you can download it from the official website of Microsoft or any other sources. This might have helped you fix the issue and get your game running. 

Frequently Asked Questions:

Q1. How Can I Fix d3dx9_43 dll?

There are plenty of ways available that you can use to fix the d3dx9_43.dll error. Some of the most common ones include downloading the file, copying the file from others, reinstalling the file, restarting your PC, and many more. One of these fixes will help you get back the d3dx9_43.dll and run the program successfully.

Q2. How Do I Fix Missing dll Files In Windows 10 8 7?

You can take the help of a built-in file checker to find the missing dll files in Windows 10,8, and 7. Also, you can replace the corrupted ones by downloading them from the official website. If none of these works, you can run the DISM tool to repair the Windows system image and fix the corrupted component store.

Q3. Why Is d3dx9 43 dll Missing?

The d3dx9_43.dll can miss for many different reasons. It can disappear due to outdated drivers, antivirus, corrupted files, damaged installation, and many other reasons. You will need to check, fix the issue with one of the methods and run the program again.

Q4. How Do I Fix Corrupted Files In Windows 7?

There are plenty of ways available to fix corrupted files in Windows 7. HEre are some of the best ones given below to help you find out the best one for you.

• Perform the system restore process
• Restart the PC
• Update the Windows 
• Recover all the DLL files with the help of software
• Reinstall the program will issues
• Run an SFC scan
• Update your drivers

The list goes on but one of these fixes will help you fix the issue.


One of the most unfortunate and frustrating things that happen with Windows users is d3dx9_43.dll missing when they start an application. There are plenty of reasons that can cause this issue to occur. However, there is also a wide range of fixes available that can help you to resolve the issue. 

You can find some of the best ones in this article with details. We have handpicked the most effective and best fixes and explained them in this article. Go through them and follow the steps to fix the issue easily. If this article has helped you fix the issue, make sure to share it with others.

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