How to Fix d3dx9_39.dll Missing/Corrupt Errors? (+DLL Download)

DLL Files Solved issue

Question asked by:

Sierra C.

Issue:

Experiencing Error for d3dx9_39.dll

Hi peeps, can you guide me on how to fix the d3dx9_39.dll missing error?
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We will be discussing a common, yet confusing issue that you might have encountered while using your PC: the “d3dx9_39.dll file is missing” error. If you have run into this error or any other related to this DLL file, it’s undoubtedly frustrating and puzzling.
No need to panic though; we’re here to help you out. In this detailed guide we’ll explain the error and show you how to easily fix it.
We have a total of 7 different ways and 2 bonus ones.

Fix d3dx9_39.dll Missing Error

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Understanding the d3dx9_39.dll Missing Error

Before getting into the solutions, let’s quickly understand what ‘d3dx9_39.dll’ is to handle this error successfully. The d3dx9_39.dll file is essentially a part of Microsoft DirectX, which is required to run graphics-intensive games and apps. When this DLL1 file disappears or becomes corrupt, Windows displays a pop-up that says, “The program can’t start because d3dx9_39.dll is missing from your computer.”
This error message appears when you open an application or game that relies on DirectX functionality. Frequently occurring causes include outdated Windows, defective game files, or outdated graphics drivers. 
If your DirectX is faulty — you might experience another DLL error associated with d3d11.dll.

Some other error messages you may experience are:

  • “The program can’t start because d3dx9_39.dll is missing from your computer. Try reinstalling the program to fix this problem.”
  • “There was a problem starting d3dx9_39.dll. The specified module could not be found.”
  • “Error loading d3dx9_39.dll. The specified module could not be found.”
  • “The code execution cannot proceed because d3dx9_39.dll was not found. Reinstalling the program may fix this problem.”
  • “d3dx9_39.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support.”

TL;DR: Quick and Easy Ways to Fix d3dx9_39.dll
Missing Error on Windows

In case you’re in a rush, consider these reliable and efficient fixes:

  1. Restart your PC to fix temporary glitches and conflicts.
  2. Make sure your Windows is running the latest version.
  3. Update your graphics driver to maintain compatibility and smooth operation.

As we continue reading this guide, we’ll look at both simple and advanced methods to fix this error so you may resume using your computer without any annoying disruptions. Let’s resolve this error together!

We have a few of the easiest and most time-efficient ways to fix the ole32.dll error. Let’s explore them:

Bonus Ways to Fix All d3dx9_39.dll Related Errors

Bonus Solution #1: Use a Dedicated DLL Fixer

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Downloading and running iolo System Mechanic can save you a lot of time and headache as it automatically detects and fixes all DLL errors, including d3dx9_39.dll.

Bonus Solution #2: Download d3dx9_39.dll for Free

If you’re just encountering a missing DLL issue, simply manually downloading the DLL file and placing it into an appropriate folder would most likely fix the issue.
Here’s where you can download it:

For 64-bit systems, the DLL files most often need to be placed in C:\WINDOWS\SYSWOW64.
For 32-bit systems, the DLL files most often need to be placed in C:\WINDOWS\SYSTEM32.
Sometimes DLL files need to be placed directly into your game/application folder that’s causing the issue.

3 Easy-to-Follow Solutions to Fix the Error
d3dx9_39.dll Missing (Time to Complete: ~5-10 mins)

Let’s now look at some easy fixes that you can try to get your PC back in working order. 

Solution 1: Restart Your PC

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A simple yet effective first step is to restart your computer. Restarting can help clear temporary glitches or issues that might be causing the ‘d3dx9_39.dll’ error. 

Click Restart
  • Press the “Start” button.
  • Tap the “Power” icon and select “Restart”.
  • Await the complete reboot of your system.

This may seem like an easy repair, but you’d be surprised at how often a simple restart resolves problems that appear to be difficult.

Solution 2: Install Latest Windows Updates

Keeping your Windows up-to-date is like giving your PC a health checkup. Updates often include patches for known bugs, which could be the culprit behind your DLL errors. Steps to Follow:

Click Check for Updates
  • Open “Settings” (you can use the shortcut ‘Windows + I’).
  • Go to “Update & Security”.
  • Click on “Windows Update”, then select “Check for updates”.
  • If updates are available, install them and restart your PC.

Remember, a well-maintained system is less prone to errors, so regular updates are key!

Solution 3: Update the Graphics Driver

Your graphics driver plays a crucial role in how your system handles graphics and video playback. An outdated or corrupt driver could be behind the missing DLL file.

  • Right-click on the “Start” button and select “Device Manager”.
  • Expand the “Display adapters” section.
  • Right-click on your graphics card and select “Update driver”.
  • Choose “Search automatically for updated driver software” and follow the prompts.
  • Restart your PC after the update.

If you’re uncomfortable with “Device Manager”, visit the official website of your graphics card manufacturer (such as NVIDIA or AMD) and download the latest drivers for your specific graphics card model. This approach guarantees that you’re getting the most optimized driver for your particular hardware.

Download updated driver in manufacturer's website

4 Advanced Solutions to Fix the Error
d3dx9_39.dll Missing (Time to Complete: ~10-12 mins)

Now that you’ve attempted the simple solutions for the ‘d3dx9_39.dll Missing’ error and are still confronted with that annoying error, it’s time to try advanced solutions to fix the issue.

Adv. Solution 1: Repair Corrupted System Files With “SFC”

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Missing or Corrupted System files may trigger the error. The System File Checker is an in-built tool designed to scan and fix corrupted or missing system files in the Windows operating system.

  • Enter “cmd” in the Windows search bar.
  • Click “Command Prompt”, then choose “Run as administrator”.
Type CMD then run as administrator
  • Press ‘Enter’ after typing sfc /scannow into the “Command Prompt”.
  • Give the scan time to finish. It’s worth waiting for even though it might take some time.
Type sfc scannow
  • After the scan, restart your computer to see whether the error still exists.

Adv. Solution 2: Reinstall DirectX

Similar to the Windows system, DirectX powers multimedia applications. Reinstalling the program can guarantee that all required files—including “d3dx9_39.dll”—are set up appropriately.

Download DirectX from Microsoft website
  • To reinstall “DirectX”, follow the on-screen directions.
  • After installation, restart your computer.

Adv. Solution 3: Scan your Computer for Malware

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Malware can sometimes interfere with system files, causing errors like ‘d3dx9_39.dll.’ Run a thorough malware scan using a reputable antivirus or anti-malware program to ensure your system is clean and secure.

  • Search for “Windows Security” in the “Start” menu to open it.
Type Windows Security
  • “Virus & threat protection” should be clicked.
Virus & Threat Protection Scan options
  • After selecting “Scan options,” choose “Full scan”.
Choose Full Scan
  • “Scan now” will open, and Windows will begin doing its magic.

Adv. Solution 4: Reinstall the Problematic Program

If a certain application is causing the error, the application may be the cause of the issue. Reinstalling the problematic app might help solve the error.

  • Open “Settings” > “Apps” > “Apps & features”.
  • Find the app that is giving you trouble, click on it, and choose “Uninstall”.
Uninstall Valorant in Apps
  • Follow the directions for uninstalling the software.
  • Reinstall the program or download it from a reliable source.

Final Words

In conclusion, the ‘d3dx9_39.dll’ error on Windows might be frustrating, but with the right set of solutions, we can resolve it.
We hope that by combining these solutions, you can troubleshoot the ‘d3dx9_39.dll’ error effectively.

If the problem persists, consider giving the provided auto-fix software a try. It’s designed to automatically and quickly address the issue.
Good luck!

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  1. What is a DLL? — via Wikipedia []
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About the author
Ross Zilbert - Expert Author

Ross is an avid author on WindowsGuided.com. He’s been working in the field of software and networks as a technician for more than 6 years.

Now he’s sharing his expertise and awesome guides with the broad public.