The d3dcompiler_43.dll file is one of many files that are included in the DirectX software suite. Since DirectX is used by most Windows-based games and complex graphics programs such as Photoshop, d3dcompiler_43.dll errors are usually only seen when using such programs. However, there are a few solutions you can use to resolve the error message.
Perform a restart
As simple as it sounds, first restart your computer. It can solve many problems, including the DLL file error. If that doesn't help, read on.
Update DirectX
Install the latest version of Microsoft DirectX. You can find it here: https://www.microsoft.com/de-de/download/ . Upgrading to the latest version may fix the DLL file error..
Install DirectX from CD
Assuming the latest version of DirectX doesn't fix the d3dcompiler_43.dll error, then look for a DirectX installer on the CD of the game or application you are trying to run. When a game or other program uses DirectX, software developers usually provide a copy of it on the installation CD. See if you can find a file named " dxsetup.exe " or " directx_redist.exe ". Make a double it and then install it. Most of the time, the DirectX version on the CD is better suited to the program than the one available online.
Uninstall a program
Uninstall and then reinstall the game or software program. Something may have happened to the program's files that work with d3dcompiler_43.dll and reinstalling it could fix this. If this does not work, it is possible that not all program files have been deleted properly or some entries in the registry relating to the DLL file have been retained. Then try again using Geek Uninstaller to completely uninstall the program ..
Update driver
Update the drivers for your graphics card . While this is not a common solution, it can definitely fix the problem. You can read here how to update your drivers.
Perform Windows update
If nothing has helped so far, perform an update for Windows. This will fix possibly damaged files and if necessary also update DirectX, since this is included as a Microsoft application in Windows. We have explained in this article how to perform Windows updates manually.