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[FIXED] d3dx9_43.dll Missing or Not Found Error in Windows

The “d3dx9_43.dll” file is contained in Microsoft DirectX. It is usually utilized in games based on Windows and in advanced graphics programs. The “d3dx9_43.dll Missing or Not Found” error can be encountered in almost all versions of Windows and usually occurs when video games are launched. The major reason behind the stated error is that DirectX is not installed on your system.

This guide will state the fixes to resolve the “d3dx9_43.dll Missing or Not Found Error” in Windows.

How to Fix the “d3dx9_43.dll Missing or Not Found” Error in Windows?

To fix the mentioned error in Windows, consider the following fixes:

Fix 1: Download DirectX

Download “DirectX” from the Microsoft website by clicking the “Download” button:

After doing so, install it on your system.

Fix 2: Scan For Malware

The stated error can be eradicated by removing the malware in the PC. To do so, utilize the following steps.

Step 1: Open Virus & threat protection

From the Startup menu, open the “Virus & threat protection” settings:

Step 2: Scan for Threats

Select the “Quick scan” option in the “Current threats” section:

As a result, a quick scan will start displaying the progress, estimated time, and the number of scanned files:

Fix 3: Check for Graphics Driver Updates

The outdated driver can also lead to encountering the missing d3dx9_43.dll errors. Therefore, it is essential to update the graphics driver.

Step 1: Open Device Manager

Open the “Device Manager” from the Startup menu:

Step 2: Update Graphics Driver

Right-click the stated Graphics driver and click the “Update Driver” option:

Step 3: Select Mode of Searching Driver

You will be taken to the below-stated window. Here, choose the “Search automatically for drivers” option:


After doing so, wait till the search completes and it installs the available updates.

Fix 4: Run SFC Scan

The stated error can also be due to the presence of corrupt files. These files can be removed by running a “System File Checker” or “SFC” scan by utilizing the following commands.

Step 1: Open Command Prompt

From the Startup menu, type cmd to run “Command Prompt”:

Step 2: Run as Administrator

Execute the Command Prompt as an administrator:

Step 3: Initiate Scan

Type the below-stated command to initiate the system scan and locate the corrupted files:

>sfc /scannow

Fix 5: Install/Download the Latest Updates

The outdated Windows can also be an issue resulting in a missing d3dx9_43.dll error. Therefore, install the latest updates with the help of the following instructions.

Step 1: Open Settings

Open Settings from the Startup menu:

Graphical user interface, application Description automatically generated

Step 2: Select Update & Security Option

From Settings, choose the “Update & Security” option:

Step 3: Check For Updates

Here, check for the Window updates by clicking the “Check for updates” button:

In case the updates are available, install them immediately.

Fix 6: Copy/Import the Missing File From Another PC

If the stated error persists, resolve it by copying the missing d3dx9_43.dll file from another PC and installing it on your system.

Conclusion

To fix the “d3dx9_43.dll Missing or Not Found” error in Windows, download DirectX, scan for malware, check for graphics driver updates, run SFC Scan, install the latest updates, or copy the missing file from another PC. This write-up practically explained the fixes to resolve the mentioned error related to the d3dx9_43.dll file.

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Source: linuxhint.com

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