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D3dx9_42.dll Not Found: How to Fix It in 5 Steps

Reinstalling the DirectX app can fix the issue

3 min. read

Updated onApril 2, 2024

updated onApril 2, 2024

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Key notes

D3dx9_42.dll is a Dynamic Link Library file developed by Microsoft and is an important system file for the Windows operating system.

If thisDLL file is missingor corrupted, you might see an error while playing video games or using graphics software. In this guide, we will discuss some easy fixes to resolve the issue in no time.

What causes the d3dx9_42.dll missing error?

What causes the d3dx9_42.dll missing error?

There could be several reasons for this DLL missing error; some of the common ones are mentioned here:

Now that you know the causes, let us dive into the solutions to fix them.

How can I fix the d3dx9_42.dll missing error?

How can I fix the d3dx9_42.dll missing error?

Before moving to the advanced troubleshooting steps, go through these:

If these didn’t help you, let us check out the fixes mentioned below.

1. Use a third-party DLL fixer

Microsoft recommends not tampering with the system files, especially the DLL files. Therefore, to fix the missing DLL error, you need DLL fixers.

Athird-party DLL repair toolscans for missing or corrupted DLL files and replaces or repairs them. Also, by restoring files like d3dx9_42.dll, this app can fix other issues as well, thus improving your computer’s performance.

2. Run SFC & DISM commands

3. Perform a system restore

IfSystem Restore didn’t complete successfully, we recommend you check out this guide to learn the solutions.

4. Download the file manually using a reliable website

If you’re experiencingmissing DLL files on Windows 10computer, we recommend you check out our informative article on how to fix this common issue.

So, these are methods to follow to fix the d3dx9_42.dll missing issue. If you have any questions or suggestions, feel free to mention them in the comments section below.

More about the topics:DLL errors,Windows 11

Srishti Sisodia

Windows Software Expert

Srishti Sisodia is an electronics engineer and writer with a passion for technology. She has extensive experience exploring the latest technological advancements and sharing her insights through informative blogs.

Her diverse interests bring a unique perspective to her work, and she approaches everything with commitment, enthusiasm, and a willingness to learn. That’s why she’s part of Windows Report’s Reviewers team, always willing to share the real-life experience with any software or hardware product. She’s also specialized in Azure, cloud computing, and AI.

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Srishti Sisodia

Windows Software Expert

She is an electronics engineer and writer with a passion for technology. Srishti is specialized in Azure, cloud computing, and AI.