How to Download and Fix D3dx9_30.dll Resident Evil 4 Errors
If you are a fan of the Resident Evil series, you might have encountered a frustrating error when trying to launch or play Resident Evil 4 on your Windows PC. The error message says something like "The program can't start because d3dx9_30.dll is missing from your computer. Try reinstalling the program to fix this problem."
download d3dx9_30.dll resident evil 4
This error prevents you from enjoying one of the best action-horror games ever made, which has been remade and ported to various platforms, including Oculus Quest 2. But don't worry, there are several ways to fix this error and get back to fighting zombies and cultists in no time.
In this article, we will explain what d3dx9_30.dll is, why it is missing, and how to fix it. We will also provide some tips on how to avoid this error in the future. Let's get started!
What Is D3dx9_30.dll and Why Is It Missing?
D3dx9_30.dll is one of the many files that are part of the DirectX software collection. DirectX is a set of APIs (application programming interfaces) that allow Windows-based games and advanced graphics programs to display and run properly. DirectX is developed and maintained by Microsoft, and it is updated regularly to improve performance and compatibility.
Resident Evil 4 is one of the many games that require DirectX to function. Specifically, it needs the version 9.0c of DirectX, which was released in 2005. The d3dx9_30.dll file is one of the components of this version, and it contains some functions and instructions that are essential for the game.
If the d3dx9_30.dll file is missing or corrupted, Resident Evil 4 will not be able to access it and will display an error message. There are several possible causes for this error, such as:
A faulty or incomplete installation of Resident Evil 4 or DirectX
A malicious software (malware) infection that has damaged or deleted the d3dx9_30.dll file
A hardware failure or power outage that has corrupted the d3dx9_30.dll file
A registry problem that has invalid or missing entries for the d3dx9_30.dll file
A user error that has accidentally moved or deleted the d3dx9_30.dll file
How to Fix D3dx9_30.dll Errors
Depending on the cause of the error, there are different methods to fix it. Here are some of the most common and effective solutions that you can try:
Method 1: Download and Install the Latest Version of DirectX
The first thing you should do when you encounter a d3dx9_30.dll error is to check if you have the latest version of DirectX installed on your PC. Microsoft often releases updates to DirectX without changing the version number or letter, so you should always download and install the latest release from the official website.
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To do this, follow these steps:
Go to and click on Download.Run the dxwebsetup.exe file that you have downloaded and follow the instructions to install DirectX.
Restart your PC and try to launch Resident Evil 4 again.
This method should fix the d3dx9_30.dll error if it was caused by an outdated or missing DirectX installation. However, if the error persists, you can try the next method.
Method 2: Copy the D3dx9_30.dll File from Another PC or Source
Another way to fix the d3dx9_30.dll error is to copy the file from another PC or source that has it. You can use a USB flash drive, an external hard drive, or a cloud storage service to transfer the file. You can also download the file from a reputable website that offers DLL files, such as .
To do this, follow these steps:
Find a PC or source that has the d3dx9_30.dll file. You can check if the file is present by going to C:\Windows\System32 (or C:\Windows\SysWOW64 for 64-bit systems) and looking for it.
Copy the d3dx9_30.dll file to your USB flash drive, external hard drive, or cloud storage service.
Paste the d3dx9_30.dll file to the same location on your PC (C:\Windows\System32 or C:\Windows\SysWOW64).
Restart your PC and try to launch Resident Evil 4 again.
This method should fix the d3dx9_30.dll error if it was caused by a corrupted or deleted file. However, if the error persists, you can try the next method.
Method 3: Reinstall the Resident Evil 4 Game
Sometimes, the d3dx9_30.dll error can be caused by a faulty or incomplete installation of Resident Evil 4. This can happen if you have interrupted the installation process, modified some files, or installed the game from an unreliable source. To fix this, you can try to reinstall the game from scratch.
To do this, follow these steps:
Uninstall Resident Evil 4 from your PC. You can do this by going to Control Panel > Programs and Features and selecting Resident Evil 4 from the list of programs. Then, click on Uninstall and follow the instructions.
Delete any leftover files and folders related to Resident Evil 4 from your PC. You can do this by going to C:\Program Files (x86)\Resident Evil 4 (or C:\Program Files\Resident Evil 4 for 64-bit systems) and deleting the entire folder. You can also use a program like CCleaner to clean up any registry entries related to Resident Evil 4.
Reinstall Resident Evil 4 from a reliable source. You can use a CD/DVD, a digital download, or a streaming service like Steam or Origin to install the game. Make sure you follow the installation instructions carefully and do not interrupt the process.
Restart your PC and try to launch Resident Evil 4 again.
This method should fix the d3dx9_30.dll error if it was caused by a bad installation of Resident Evil 4. However, if the error persists, you can try the next method.
Method 4: Run a Virus/Malware Scan of Your System
One of the possible causes of the d3dx9_30.dll error is a virus or malware infection that has damaged or deleted the file. Malicious software can also interfere with other system files and processes that are required for Resident Evil 4 to run properly. To fix this, you should run a full scan of your system using a reliable antivirus or anti-malware program.
To do this, follow these steps:
Download and install a reputable antivirus or anti-malware program on your PC. Some of the popular ones are Avast, AVG, Malwarebytes, Norton, and Kaspersky.
Update your antivirus or anti-malware program to get the latest virus definitions and security patches.
Run a full scan of your system using your antivirus or anti-malware program. This may take some time depending on the size and speed of your hard drive.
Delete or quarantine any detected threats and follow any recommended actions from your antivirus or anti-malware program.
Restart your PC and try to launch Resident Evil 4 again.
This method should fix the d3dx9_30.dll error if it was caused by a virus or malware infection. However, if the error persists, you can try the last method.
Method 5: Use System Restore to Undo Recent Changes
The final method that you can try to fix the d3dx9_30.dll error is to use System Restore to undo any recent changes that might have affected the file. System Restore is a feature of Windows that allows you to restore your system to a previous state when it was working properly. This can help you fix any issues that were caused by software or hardware changes, such as installing or uninstalling programs, updating drivers, or modifying settings.
To do this, follow these steps:
Go to Start > All Programs > Accessories > System Tools > System Restore.
Select a restore point that was created before you started experiencing the d3dx9_30.dll error. You can use the calendar to choose a date and time.
Click on Next and confirm your choice.
Wait for the system restore process to complete. This may take some time and your PC will restart during the process.
After the system restore is done, try to launch Resident Evil 4 again.
This method should fix the d3dx9_30.dll error if it was caused by a recent system change. However, this method will also undo any other changes that you have made since the restore point, so you may need to reinstall or update some programs or drivers afterwards.
How to Avoid D3dx9_30.dll Errors in the Future
Now that you have fixed the d3dx9_30.dll error and can play Resident Evil 4 without any problems, you might want to know how to prevent this error from happening again in the future. Here are some tips that you can follow to avoid d3dx9_30.dll errors:
Keep Your Windows and DirectX Updated
One of the best ways to avoid d3dx9_30.dll errors is to keep your Windows and DirectX updated with the latest patches and security fixes. This will ensure that your system files are in good condition and compatible with your games and programs. You can use Windows Update to check for and install updates automatically or manually. You can also download and install the latest version of DirectX from Microsoft's website.
Avoid Deleting or Moving DLL Files Manually
Another way to avoid d3dx9_30.dll errors is to avoid deleting or moving DLL files manually. DLL files are shared by multiple programs and games, and deleting or moving them can cause errors or crashes. If you need to delete or move a DLL file, you should always use a program uninstaller or a file cleaner that can safely remove or relocate the file without affecting other programs or games.
Scan Your PC Regularly for Malware and Registry Issues
A third way to avoid d3dx9_30.dll errors is to scan your PC regularly for malware and registry issues. Malware can infect and damage your system files, including DLL files, and cause errors or crashes. Registry issues can occur when you install or uninstall programs or games, and they can affect the entries and paths of DLL files. You should use a reliable antivirus or anti-malware program and a registry cleaner program to scan and fix any problems on your PC.
Conclusion
D3dx9_30.dll errors are common among Windows users who play Resident Evil 4 or other games that require DirectX 9.0c. These errors can be caused by various factors, such as outdated or missing DirectX installation, corrupted or deleted d3dx9_30.dll file, virus or malware infection, faulty or incomplete game installation, hardware failure or power outage, registry problem, or user error.
Fortunately, there are several methods that you can use to fix these errors and enjoy your game without any interruptions. You can download and install the latest version of DirectX, copy the d3dx9_30.dll file from another PC or source, reinstall the Resident Evil 4 game, run a virus/malware scan of your system, or use System Restore to undo recent changes.
You can also follow some tips to avoid these errors in the future, such as keeping your Windows and DirectX updated, avoiding deleting or moving DLL files manually, and scanning your PC regularly for malware and registry issues.
We hope that this article has helped you solve your d3dx9_30.dll error and play Resident Evil 4 without any problems. If you have any questions or feedback, please feel free to leave a comment below.
FAQs
What is the difference between DirectX 9.0c and DirectX 12?
DirectX 9.0c and DirectX 12 are different versions of the DirectX software collection. DirectX 9.0c was released in 2005 and is compatible with Windows XP, Vista, 7, and 8. DirectX 12 was released in 2015 and is compatible with Windows 10. DirectX 12 has more features and capabilities than DirectX 9.0c, such as improved performance, graphics quality, and support for multiple GPUs.
Can I play Resident Evil 4 on Windows 10?
Yes, you can play Resident Evil 4 on Windows 10, as long as you have the latest version of DirectX installed and the d3dx9_30.dll file is present on your system. You may also need to run the game in compatibility mode or as an administrator to avoid any compatibility issues.
Can I play Resident Evil 4 on Oculus Quest 2?
Yes, you can play Resident Evil 4 on Oculus Quest 2, which is a standalone VR headset that does not require a PC or console to run. Resident Evil 4 VR is a remade version of the game that is optimized for VR and has new features such as motion controls, first-person perspective, and inventory management. You can download Resident Evil 4 VR from the Oculus Store.
What are some other games that require DirectX 9.0c?
Some other games that require DirectX 9.0c are Bioshock, Call of Duty 4: Modern Warfare, Crysis, Fallout 3, Grand Theft Auto IV, Half-Life 2, Mass Effect, Portal, The Elder Scrolls IV: Oblivion, and World of Warcraft.
What are some other common DLL errors and how to fix them?
Some other common DLL errors are msvcp140.dll missing, vcruntime140.dll missing, xinput1_3.dll missing, msvcr100.dll missing, and msvcr110.dll missing. These errors can be fixed by similar methods as the d3dx9_30.dll error, such as downloading and installing the latest version of Visual C++ Redistributable Packages, copying the DLL file from another PC or source, reinstalling the game or program that causes the error, running a virus/malware scan of your system, or using System Restore to undo recent changes. 44f88ac181
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