Software & Apps > Windows How to Fix D3dx9_37.dll Not Found or Missing Errors If installing the latest version of DirectX doesn't fix this error, look for a DirectX installation program on your game or application disc By Tim Fisher Tim Fisher Senior Vice President & Group General Manager, Tech & Sustainability Emporia State University Tim Fisher has more than 30 years' of professional technology experience. He's been writing about tech for more than two decades and serves as the SVP and General Manager of Lifewire. lifewire's editorial guidelines Updated on December 16, 2022 Windows The Ultimate Laptop Buying Guide Trending Videos Close this video player 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, errors related to this DLL file 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 11, Windows 10, Windows 8, etc. D3dx9_37.dll Errors D3dx9_37.dll errors can show up on your computer several ways. Many of the more common 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 These error messages could apply to any program that utilizes 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 one of these errors include ipanels, GRID, Utherverse, Call of Duty, Hard to be a God, and more. How to Fix D3dx9_37.dll Errors Follow these steps in the order they're given below to try the simpler solutions first. Do not, under any circumstances, download d3dx9_37.dll individually from any DLL download site. There are several reasons why download DLLs like that is never a good idea. If you've already done so, 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 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. 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 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. 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 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 lot more. Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit