Software & Apps Windows How to Fix D3dx9_37.dll Not Found or Missing Errors A Troubleshooting Guide for D3dx9_37.dll Errors By Tim Fisher General Manager, VP, Lifewire.com Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. our editorial process Facebook Twitter LinkedIn Tim Fisher Updated January 16, 2020 Windows The Ultimate Laptop Buying Guide Tweet Share Email D3dx9_37.dll issues are caused in one way or another by a single issue—a problem of some kind with Microsoft DirectX. The d3dx9_37.dll file is one of many similar files contained in the DirectX software collection. Since DirectX is used by most Windows based games and advanced graphics programs, d3dx9_37.dll errors usually show up only when using these programs. Any of Microsoft's operating systems since Windows 98 may be affected by d3dx9_37.dll and other DirectX issues. This includes Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, and Windows 2000. D3dx9_37.dll Errors D3dx9_37.dll errors can show up on your computer several ways. Many of the more common d3dx9_37.dll error messages are listed here: D3DX9_37.DLL Not FoundD3dx9_37.dll not found. Reinstalling might help fix thisFile d3dx9_37.dll not foundThe file d3dx9_37.dll is missingD3DX9_37.DLL is missing. Replace D3DX9_37.DLL and try again The d3dx9_37.dll error message could apply to any program that utilizes Microsoft DirectX, but it's most commonly seen in video games, like when the game is first started. In non-game programs, a d3dx9_37.dll error might appear before certain advanced graphics features of the program are used or when the program first starts. Some common programs and games that have been known to generate d3dx9_37.dll errors include ipanels, GRID, Utherverse, Hard to be a God, and more. How to Fix D3dx9_37.dll Errors Do not, under any circumstances, download the d3dx9_37.dll DLL file individually from any DLL download site." There are several different reasons that downloading DLLs from these sites is never a good idea. If you've already downloaded d3dx9_37.dll from one of those DLL download sites, remove it from wherever you put it and continue with the following steps. Restart your computer if you haven't yet done so. The d3dx9_37.dll error might be a one-time issue and a simple restart could clear it up completely. Install the latest version of Microsoft DirectX. Upgrading to the latest version of DirectX will often fix a d3dx9_37.dll not found error. Microsoft often releases updates to DirectX without updating the version number or letter, so make sure to install the latest release even if your version is technically the same. The same DirectX installation program works with all versions of Windows including Windows 10, 8, 7, Vista, and XP. It will replace any missing DirectX 11, DirectX 10, or DirectX 9 file. Assuming the latest DirectX version from Microsoft doesn't fix the d3dx9_37.dll error you're receiving, look for a DirectX installation program on your game or application CD or DVD. Usually, if a game or another 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. Uninstall the game or software program and then reinstall it again. Something might have happened to the files in the program that interact with d3dx9_37.dll and a reinstall could take care of the problem. Restore the d3dx9_37.dll file from the latest DirectX package. If the above steps haven't worked to solve your d3dx9_37.dll error, try extracting the d3dx9_37.dll file individually from the DirectX package. Update the drivers for your video card. While it's not the most common solution, in some situations, updating the drivers for the video card in your computer could correct this DirectX issue. Need More Help? If you're not interested in fixing 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 whole lot more.