How to Fix "D3dx9_42.dll Is Missing" Error on Windows?

by Jake Doe - -
12

Question

Issue: How to Fix "D3dx9_42.dll Is Missing" Error on Windows?

Help! I cannot start Need For Speed game on my PC. When I open it, I get “The program can’t start because d3dx9_42.dll is missing from your computer.” It suggests that I install the program to fix the problem. However, I am not sure where to start. Can you explain how to solve this problem with d3dx9_42.dll?

Solved Answer

D3dx9_42.dll error is caused by the corrupted DLL file associated with certain software. Various Windows-based games contain such advanced graphics programs and D3dx9_42.dll errors usually appear when using programs or games.[1] There are many versions of such errors and causes, as well as solutions.

D3dx9_42.dll is a file that is part of DirectX software. Receiving an error message associated with this file means that you are experiencing an error with Microsoft DirectX. Microsoft DirectX is a set of application programming interfaces (APIs) that help to handle tasks related to game programming, video, and other multimedia.[2]

You should never attempt to download a missing file from random Internet websites because it is simply not a safe move to make.[3]  You can easily download a malicious or corrupted file instead of the one that you really need. However, to ease the task for you, UGetFix experts prepared an easy guide on how to fix “d3dx9_42.dll is missing” issue.

 Error cause by the corrupt d3dx9_42.dll file

In most cases, the error appears when the user runs or tries to play a video game. This error appears on various versions of Windows operating system, from 98 to Windows 10. Unfortunately, the latter one has some additional bugs and update on the OS might cause more issues besides D3dx9_42.dll error. So check the latest update before attempting any solutions.

The solutions provided below can help to solve the following problems associated with the file:

  • “D3dx9_42.dll not found. Reinstalling might help fix this”;
  • “File d3dx9_42.dll not found”;
  • “The file d3dx9_42.dll is missing”;
  • “D3dx9_42.DLL Not Found.” 

Fix d3dx9_42.dll Is Missing Error on Windows

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Provided instructions might not help for everyone to resolve the issue with the missing d3dx9_42.dll file. You should try using software that helps to resolve various Windows errors and issues automatically. Our team recommend using Reimage program for this. You can also remove malicious programs, PUPs, corrupted or infected files this way. 

Install the latest version of DirectX to fix d3dx9_42.dll error

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In most cases, receiving “d3dx9_42.dll is missing” error indicates that you have an unsupported (outdated) version of DirectX installed on your PC. The issue can be easily solved.

  1. Download the latest version of DirectX from Microsoft’s official website here.
  2. Once you download the file, open it and follow further instructions.
  3. After installing the software, restart your computer and attempt to relaunch your game.

Update Graphics Drivers

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  1. Press these two keyboard keys at the same time: Windows Key + X. From a menu that appears on your screen, select Device Manager. Another option to invite this panel is to open Run prompt by pressing down Windows Key + R, entering devmgmt.msc, and clicking OK.
  2. Find Display adapters category and expand it by clicking the arrow next to it. Now, find the video card and right-click on it. Here, select Update Driver and carry out the instructions provided by prompt messages.
  3. Restart your computer to see if the issue was solved.
    Fix d3dx9_42.dll error

Register D3dx9_42.dll Using Microsoft Register Server

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Go to Start and type command.
  • Don't press Enter immediately and while holding Ctrl +Shift on the keyboard press the Enter button.
  • A permission dialog box appears, hit Yes.
  • Type regsv32 /i d3dx9_42.dll and press Enter.
    Run command prompt
  • This will re-register the file.
  • When it is done, close the command prompt.
  • Restart the program.

Reinstall or repair the game causing d3dx9_42.dll error

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

It is possible that some errors occurred during the installation of your preferred game.

  1. Go to Control Panel > Apps and Features.
  2. Find the game that won’t start and select it. Then click Repair or Change.
  3. Follow the directions.
  4. If the suggested method doesn’t solve the issue, try completely uninstalling and reinstalling the game.
    Uninstall the game or app

Repair your Errors automatically

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About the author

Jake Doe
Jake Doe - Computer technology geek

Jake Doe is a News Editor at Ugetfix. Since he met Ugnius Kiguolis in 2003, they both launched several projects that spread awareness about cybercrimes, malware, and other computer-related problems.

Contact Jake Doe
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