Full Fix: D3dx9_43.dll error still present on Windows 10 8.1 and 7.

Windows 10 is prone to a variety of DirectX error messages that can be caused by missing DLL files. These are the most common ones in Windows 10. Users have reported encountering the error right after opening a new game or other application. Common errors are followed by a warning informing users about the missing d3dx9_43.dll file.

To help you solve the problem, we have listed all the possible causes.

Windows 10: How to fix “d3dx9_43.dll is missing” error

D3dx9_43.dll has been removed. This error occurs most frequently in games. Here are some of the problems users are reporting:

• The D3dx943 dll does not exist in Windows 7, Windows 8.1 and Windows 10. – You shouldn’t have to use Windows 10 for this problem.
• D3dx9_43.dll does not work in PES 2017, League of Legends. Resident Evil 6. World of Tanks. Street Fighter X Tekken. Oblivion Black Operations. Far Cry 4. GTA 5. This issue can be a problem in many games. If you encounter this problem, make sure you are using the correct version of DirectX.
• D3dx9_43.dll not found This is a variant of a bug that can be fixed by updating drivers.

Solution 1 – Reinstall DirectX

D3dx9_43.dll has been deleted. An error message may appear if DirectX is missing. To resolve this issue, you can download DirectX directly from the Microsoft website. This link will take you to the DirectX installation page.

You can resolve this issue by using the DirectX file provided with the game. The DirectX installation file is included with almost all games. You can find it on your installation media or in the directory.

Look in the redistribution/directx directory . Run the DirectX installation file in this directory.

DirectX should solve the problem once you install it.

Solution 2: Check if your graphics driver is up to date

However, on Windows 10, and older versions of Windows 10, a lack of proper GPU drivers could cause similar issues. DirectX refers to your GPU. With its cooperation, you will be able to enjoy the visual effects. You will probably experience similar or worse issues if your drivers are not compatible with the latest version of DirectX.

For example, some generic drivers offered by Windows Update might work for your devices. Using the official driver and manually installing GPU drivers is the best way to avoid problems.

Make sure to properly check and update your GPU drivers. You can download legacy drivers for your older graphics cards from the manufacturer's official website

.

Just go to the manufacturer's official website, search for the GPU model you are looking for, and download the latest drivers.

Drivers can be downloaded using third-party software, such as TweakBit Driver Updater . You can easily download missing drivers with this software.

Now restart your computer to install the correct drivers.

3. Reinstall the problematic program

User reports indicate that d3dx9_43.dll is missing. Sometimes third-party applications can cause this error. It's possible that the third-party application you want to install isn't installed correctly. This can lead to many problems.

Reinstalling the problematic application is the best way to fix it. You have several options, but this is the best way to resolve the IObit Uninstaller issue.

If you don't know what uninstaller means, it is an application that can completely remove all files and registry entries. Uninstall the application to get rid of it.

The problem will be solved when you reinstall the application.

Solution 4: Scan for malware and check your antivirus software

Users report that malware infections can sometimes cause a " d3dx9_43.dll does not exist" error . Although this is unlikely, it's a good idea to scan your entire system for potential malware infections.

Your antivirus software could be causing the problem if your computer is not infected. It is possible that your antivirus software is causing problems on your system. If this happens, disable it. If your antivirus does not work, you may need to remove the program and get a new one.

Bitdefender antivirus is excellent and doesn't interfere with your computer. It also offers top-notch protection.

Solution 5: Perform an SFC or DISM scan

Sometimes, a corrupted file can cause a "d3dx9_43.dll does not exist " error . An SFC scan is the best option to fix it. The scanner will repair your Windows installation. It can be performed as follows:

1. Press Windows Key + X. Now open Win + X. Now select Administrative Command Prompt. You don't need Command Prompt . You can use the same PowerShell (Administrator) option.

2. After the warning appears, you can enter SFC /scannow. Press Please enter. It is possible to do so.

3. The process will then begin. This process can take up to 15 minutes, so do not interrupt it.

Once the scan is complete, the problem should be resolved. If the problem persists, you can use the DISM scan. Follow these steps for the DISM scan.

1. Execute Command Prompt with Administrative Privileges

2. Now run the command DISM online/Image Cleanup/Health Restore.

3. The DISM scan should now begin. You should not interrupt the DISM scan as it may take up to 20 minutes.

Once the DISM scan is complete, you can check if there are any remaining issues. It is possible to run another SFC scan, if the scan was not possible previously, and if this did not resolve the issue.

Solution 6 – Copy the missing file to another PC

The error message "Unable to load d3dx9_43.dll" keeps appearing . You might be able to fix it by copying the file to another computer. You can download the file from many sites; however, they may contain malware. Therefore, we recommend that you do not use these sites.

It is best to get the file from someone you know to fix it. Please note that this may not be possible if your friend does not have the file.

Solution 7 – Install the latest updates

D3dx9_43.dll has been deleted. This error may occur if the application you are trying to use is not up to date. You can resolve this issue by ensuring your application is up to date. It is also important that your system is up to date.

Windows 10 usually downloads updates automatically. However, you can always check for updates manually by following these steps:

1. Launch the Settings app . This is the quickest and most efficient way to do it: Windows key + I.

2. Open the Settings app . Navigate to the Update & Security section.

3. Click here Stay tuned for more updates button.

If updates are available, they will be downloaded and installed automatically in the background. Once the update has downloaded, restart your computer and it will be installed.

Once your system is updated, the issue should be resolved.

That should conclude it. The solutions presented should resolve your “d3dx9_43.dll is missing error” issue. If you have any questions, please post them in the comments section.

Editor's Note : The original September 2017 publication of this article has been revised and updated.

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