The d3dx9_42 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, these errors usually show up only when using these programs.
D3dx9_42 Errors
There are several ways d3dx9_42.dll errors can show up on your computer. Here are examples of the more common ones:
D3dx9_42.dll not found. Reinstalling might help fix thisD3dx9_42.DLL Not FoundFile d3dx9_42.dll not foundThe program can’t start because d3dx9_42.dll is missing from your computer. Try reinstalling the program to fix this problem.The file d3dx9_42.dll is missing
These errors appear when a game or another software program is started, so it could apply to any program that utilizes Microsoft DirectX, like Autodesk’s Maya or any other software program. However, d3dx9_42 DLL errors are most commonly seen when attempting to play video games. Some examples of video games that have been known to show the error when there’s a problem with DirectX include Sid Meier’s Civilization V, ArcheAge, State of Decay, Batman, The Lord of the Rings Online, Need for Speed Hot Pursuit 2011, The Legend of Pirates Online, F1 2010, Street Fighter, and Assassin’s Creed: Brotherhood.
How to Fix D3dx9_42.dll Errors
Need More Help?
If you don’t want to fix this problem yourself, see How Do I Get My Computer Fixed? for a full list of your support options, plus help with everything along the way like figuring out repair costs, getting your files off, choosing a repair service, and a lot more. Usually, if a game or another program utilizes DirectX, the software developers will include a copy of it on the installation disc. Sometimes, though not often, the version included on the disc is a better fit for the program than the latest version available online.
