d3dx9_31.dll File Information
  • DLL File Name:d3dx9_31.dll
  • File Type:Win32/64 DLL
  • Product Name:Microsoft DirectX for Windows
  • Developer:Microsoft Corporation
  • File Version:9.15.779.0
  • File Size:2.3MB - 3.79MB
  • Language Code:English (U.S.)
  • Character Set:Unicode
  • MD5 Checksum:Multiple Files
  • Copyright:© Microsoft Corporation. All rights reserved.

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fix d3dx9_31.dll error

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D3dx9_31.dll Errors and Solutions

The file d3dx9_31.dll is a 32/64bit Windows DLL module for Microsoft DirectX for Windows software or other related programs. The file is also referred as D3DX9D.dll. The file and the associated Microsoft DirectX for Windows software was developed by Microsoft Corporation. The file was licensed as © Microsoft Corporation. All rights reserved..

d3dx9_31.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.

  • This application failed to start because d3dx9_31.dll was not found.
  • The file d3dx9_31.dll is missing or corrupted.
  • A required component is missing: d3dx9_31.dll. Please install the application again.
  • Error loading d3dx9_31.dll. The specified module could not be found.
  • The program can't start because d3dx9_31.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • D3dx9_31.dll is either not designed to run on Windows or it contains an error.

To fix the error, you need to copy the missing d3dx9_31.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. The current version of dll file available on our site is 9.15.779.0 with a size of 2.3MB - 3.79MB.

How to Install d3dx9_31.dll

You can download d3dx9_31.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted d3dx9_31.dll file to the installation folder of the application or game.

Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.

Register DLL File Using Microsoft Regsvr

Copy the file to "C:\Windows\SysWOW64\" (32bit)

Copy the file to "C:\Windows\System32\" (64bit)

You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

Right-click the "Command Prompt" search result and click the "Run as administrator" option.

Paste the following command into the Command Line window that opens up and press Enter key.

%windir%\System32\regsvr32.exe d3dx9_31.dll & %windir%\SysWoW64\regsvr32.exe d3dx9_31.dll

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Download d3dx9_31.dll
Version OS Size Language File
9.15.779.0 32bit 2.3MB English Download
9.15.779.0 64bit 3.8MB English Download

Please note : This is a free download. No guarantees or warranties are given or implied. Please download and install the file at your own risk...

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External Resources

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D3dx9_31.dll - D3dx9_31.dll Not Found Error - Missing D3dx9_31.dll- - pcsupport.about.com

D3dx9_31.dll not found errors are almost always caused by directx problems. error messages might show up as d3dx9_31.dll not found or d3dx9_31.dll file is missing.


Bioshock Not Running Even After Installing Xlive.dll, d3dx9_31.dll- - forums.2kgames.com

Hello folks, i just got bioshock2 installed on my friends 64bit win7 laptop, upon- i am pretty sure that just placing the. dll file in to that folder rarely-