How to Troubleshoot ‘d3dx9_39.dll is missing’ on Windows 10

With the release of Windows 10, many people have been experiencing problems with their d3dx9_39.dll that is missing error message when trying to run games on their PC. This guide will help you troubleshoot your issue so that you can continue gaming without interruption

The “d3dx9_39.dll missing download” is a problem that can occur on Windows 10. The solution to fix this issue is to reinstall the Visual C++ Redistributable for Visual Studio 2015.

How to Troubleshoot 'd3dx9_39.dll is missing' on Windows 10

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The file d3dx9 39.dll is part of the Microsoft DirectX software suite. This implies that issues with d3dx9 39.dll are caused in some way by a Microsoft DirectX issue.

Because most Windows-based games and complex graphics applications utilize DirectX, faults are almost always limited to these products.

What causes the error d3dx9 39.dll is missing?


A viral assault on your computer may sometimes be devastating, causing damage to DirectX and other system files. Your computer can no longer work correctly as a result of these damaged system files.

It’s also conceivable that you’re running an out-of-date Microsoft DirectX version. It’s possible that it doesn’t have the most recent files. The most recent version of Microsoft DirectX is required for current games and apps. This is because it was designed by Microsoft to match the needs of current gaming and application software.

It’s also conceivable that the game or program you’re trying to install on your computer has setup issues. The installer is unable to successfully install the game or program due to these issues. As a consequence, it is unable to function correctly.

How can I fix the d3dx9 39.dll missing error?

Update for November 2021:

You may now use this program to avoid PC issues such as file loss and infection by utilizing it. It’s also a terrific method to get the most out of your computer’s performance. The software easily repairs common Windows system faults – no need to spend hours debugging when you have the correct answer right at your fingertips:

  • Step 1: Get the PC Repair & Optimizer Tool (Microsoft Gold Certified for Windows 10, 8, 7, XP, and Vista).
  • Step 2: Select “Start Scan” to look for Windows registry issues that might be causing your computer to malfunction.
  • Step 3: To address all faults, click “Repair All.”



Remove and reinstall the problematic software.

  1. Press the Windows logo key and the R key on the keyboard at the same time.
  2. Press the Enter key on your keyboard after you’ve typed control.
  3. Select a category under View by, then click Uninstall Program.
  4. Remove/Change the software you’re experiencing difficulties with by right-clicking it and selecting Remove/Change.
  5. To remove the software, follow the on-screen instructions.
  6. Reinstall the software after downloading it.

Make sure Windows is up to date.

  1. On your keyboard, press the Windows logo key.
  2. Then enter Windows Update and choose Windows Update Options from the results.
  3. Wait for Windows to automatically download and install the updates after clicking Check for updates.
  4. After the update is complete, restart your computer.

Installing the most recent DirectX version

  1. Visit the Microsoft DirectX Web Installer download page for further information.
  2. As soon as the website loads, the download begins automatically. Wait till the procedure is finished.
  3. To install the newest version of DirectX, double-click the downloaded file.
  4. Restart your computer and the software that’s giving you trouble.

Start your computer again.

Your RAM will be cleared and your system will be restarted with a simple reboot. In most circumstances, the d3dx9 39.dll error is merely a transient issue that may be resolved by restarting your computer if you haven’t done so before.

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Most Commonly Asked Questions

  1. Your computer should be restarted.
  2. Remove the dll file that was destroyed from the garbage.
  3. Using a free file recovery application, recover the lost dll file.
  4. Run a virus/malware scan throughout the whole machine.
  5. To reverse recent system modifications, use system restore.

The D3dx9 39. dll file is part of the Microsoft DirectX software, which supports your games as well as hardware like graphics processors. You’ll most likely require a d3dx9 39 file if the file is corrupted or missing in any manner.

You may also use the Windows system file checker to determine the reason of missing DLL files and resolve the issue. To launch System Commander, press WIN+R on your keyboard and input “cmd.” Enter “sfc /scannow” at the command prompt. This might take a few moments.



The “d3dx9_39.dll where to put” is a common error that has been present for a while. Microsoft has released an article on how to troubleshoot the problem.

Frequently Asked Questions

How do I fix missing dll files in Windows 10?

A: The dll files are in the installation folder.

Can play League of Legends because d3dx9_39 dll is missing?

A: League of Legends is not compatible with the current version of d3dx9_39.dll, which can be found at

Where is d3dx9_39 dll located?

A: D3dx9_39 is the name for a DirectX 9.0c which has been replaced by d3d11 on Windows 10 and later editions.

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