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

Issue: 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 fileD3dx9_42.dll might be missing, corrupted or damaged and cause errors while trying to run video game or an application.

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

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 FortectMac Washing Machine X9 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

Fix it now!
To repair damaged system, you have to purchase the licensed version of Fortect.

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

  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 errorUpdate the needed river to fix d3dx9_42.dll error.

Register D3dx9_42.dll Using Microsoft Register Server

Fix it now!
To repair damaged system, you have to purchase the licensed version of Fortect.
  • 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 promptRe-register the d3dx9_42.dll file via 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

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 appYou can try reinstalling or uninstalling the program or game entirely when d3dx9_42.dll gets delivered.

Repair your Errors automatically team is trying to do its best to help users find the best solutions for eliminating their errors. If you don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:

do it now!
Download Fix
Compatible with Microsoft Windows
Still having problems?
If you failed to fix your error using Fortect, reach our support team for help. Please, let us know all details that you think we should know about your problem.
Fortect - a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
To repair damaged system, you have to purchase the licensed version of Fortect malware removal tool.

Protect your online privacy with a VPN client

A VPN is crucial when it comes to user privacy. Online trackers such as cookies can not only be used by social media platforms and other websites but also your Internet Service Provider and the government. Even if you apply the most secure settings via your web browser, you can still be tracked via apps that are connected to the internet. Besides, privacy-focused browsers like Tor is are not an optimal choice due to diminished connection speeds. The best solution for your ultimate privacy is Private Internet Access – be anonymous and secure online.


Data recovery tools can prevent permanent file loss

Data recovery software is one of the options that could help you recover your files. Once you delete a file, it does not vanish into thin air – it remains on your system as long as no new data is written on top of it. Data Recovery Pro is recovery software that searchers for working copies of deleted files within your hard drive. By using the tool, you can prevent loss of valuable documents, school work, personal pictures, and other crucial files.

About the author
Jake Doe
Jake Doe - Computer technology geek

Jake Doe is the 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
About the company Esolutions


What you can add more about the problem: "How to Fix "D3dx9_42.dll Is Missing" Error on Windows?"