Software & Apps Windows Fix D3dx11_43.dll Not Found or Missing Errors A troubleshooting guide for D3dx11_43.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 March 20, 2020 Windows The Ultimate Laptop Buying Guide Tweet Share Email The d3dx11_43.dll file is one of many DLL files contained in the Microsoft DirectX software collection. D3dx11_43.dll issues, therefore, are caused in one way or another by an issue with DirectX. Since DirectX is utilized by most Windows based games and advanced graphics programs, d3dx11_43.dll errors usually show up only when using these programs. Any of Microsoft's operating systems since Windows 98 may be affected by d3dx11_43.dll and other DirectX issues. This includes Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, and Windows 2000. D3dx11_43.dll Errors There are many ways d3dx11_43.dll errors can show up on your PC. Here are several of the more common specific d3dx11_43.dll error messages you might see: D3dx11_43.DLL Not FoundThe file d3dx11_43.dll is missingThe program can't start because d3dx11_43.dll is missing from your computer.File d3dx11_43.dll not foundDependency d3dx11_43.dll is missingD3dx11_43.dll not found. Reinstalling might help fix this. The d3dx11_43.dll error message could apply to any program that utilizes Microsoft DirectX, but it's most commonly seen with video games. D3dx11_43.dll errors usually appear when a game or another software program is started but they could also be seen at any other point during which the DLL file is being called, like when the application is first being installed. Battlefield, Need for Speed, Dragon Age, Far Cry, Total War, Grand Theft Auto, Darksiders, and F.E.A.R. are just a few examples of video games that have been known to throw an error regarding the d3dx11_43.dll file. How to Fix D3dx11_43.dll Errors Do not download the d3dx11_43.dll DLL file individually from any "DLL download site." There are several reasons that downloading DLLs from these sites are never a good idea. If you've already downloaded d3dx11_43.dll, remove it from wherever you put it and continue with these steps. Restart your computer if you haven't yet. The d3dx11_43.dll error might be a fluke and a simple restart could clear it up completely. Install the latest version of Microsoft DirectX. Chances are, upgrading to the latest version of DirectX will fix the d3dx11_43.dll not found error. The same DirectX installation program works with all versions of Windows including Windows 7, 8, Vista, XP, and more. It will replace any missing DirectX 11, DirectX 10, or DirectX 9 file. Microsoft often releases updates to DirectX without updating the version number or letter so be 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 d3dx11_43.dll error you're receiving, look for a DirectX installation program on your game or application DVD or CD. 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 work with d3dx11_43.dll and a reinstall could do the trick. It's sometimes best to use a free uninstaller tool to make sure the program has been completely removed before you reinstall it. An application's normal uninstaller utility sometimes doesn't catch everything it installed, and instead leaves behind various registry files or even references to DLL files, which could cause the d3dx11_43.dll error to continue showing. Restore the d3dx11_43.dll file from the latest DirectX software package. If the above troubleshooting steps haven't worked to solve your d3dx11_43.dll error, try extracting the d3dx11_43.dll individually from the DirectX downloadable 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 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 whole lot more.