SYMPTOMS
D3dx9_30.dll errors typically appear when a software program, usually a game, is started. Occasionally, d3dx9_30.dll errors will display after a game is loaded but right before gameplay begins.
In non-game applications, a d3dx9_30.dll error might appear before certain advanced graphics features of the program are used.
There are several ways that d3dx9_30.dll errors can show up on your computer, you may receive one of the following error messages:
- “D3DX9_30.DLL Not Found”
- “File d3dx9_30.dll not found”
- “The dynamic link library d3dx9_30.dll could not be found in the specified path [PATH]“
- “The file d3dx9_30.dll is missing”
- “D3DX9_30.DLL is missing. Replace D3DX9_30.DLL and try again.”
- “D3dx9_30.dll not found. Reinstalling might help fix this.”
- “Missing component d3dx9_30.dll”
- “This application has failed to start because d3dx9_30.dll could not be found!”
Cause
Unlike many other dll errors which can have complicated causes and fixes, d3dx9_30.dll issues are caused in one way or another by a single issue - some kind of problem with Microsoft DirectX.
The d3dx9_30.dll file is one of many files contained in the DirectX software collection. Since DirectX is utilized by most Windows based games and advanced graphics programs, d3dx9_30.dll errors usually show up only when using these programs.
Resolution
Method1:Install the latest version of Microsoft DirectX 9. Chances are, upgrading to the latest version of DirectX 9 will fix the d3dx9_30.dll not found error.
Note: Microsoft often releases updates to DirectX 9 without updating the version number or letter so be sure to install the latest release even if your version is technically the same.
Note: Are you a Windows Vista user with DirectX 10? Your game or program may still need DirectX 9 files to run properly so give the installation a try. Don’t worry, both versions of DirectX can be run side by side in Windows Vista.
Method2:Assuming the latest DirectX version from Microsoft doesn’t fix the d3dx9_30.dll error you’re receiving, look for a DirectX installation program on your game or application CD or DVD. Usually, if a game or other program utilizes DirectX, the software developers will include a copy of DirectX on the installation disc.Sometimes, though not often, the DirectX version included on the disc is a better fit for the program than the latest version available online.
Method3:Uninstall the game or software program and then reinstall it again. Something might have happened to the files in the program that work with d3dx9_30.dll and a reinstall could do the trick.
Method4:Restore the d3dx9_30.dll file from the DirectX 9 software package. If the above troubleshooting steps haven’t worked to solve your d3dx9_30.dll error, try extracting the d3dx9_30.dll individually from the DirectX 9 package.
More Information
The d3dx9_30.dll error message could apply to any program that utilizes Microsoft DirectX, most commonly video games.
Some common games that have been known to generate d3dx9_30.dll errors include Medieval, Resident Evil, EverQuest, Splinter Cell Double Agent, ArmA: Armed Assault, World Series of Poker, Company of Heroes, and more.
Any of Microsoft’s operating systems since Windows 98 may be effected by d3dx9_30.dll and other DirectX issues. This includes Windows 2000, Windows XP, and Windows Vista.
More other related dll files:
dx7vb.dll,
dx3j.dll,
DWINTL20.DLL,
DWINTL.DLL
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