The D3Dcompiler_43.dll missing error is usually encountered by users when opening various applications and games. The issue usually occurs because the D3Dcompiler_43.dll file is either missing or inaccessible by the application that needs it.
What is D3Dcompiler_43.dll?
The D3Dcompiler_43.dll is a Dynamic Link Libraries file is part of DirectX Runtime June 2010. Unline most DirectX files that come preinstalled on a lot of Windows versions, this is an optional feature of DirectX. Despite this fact, a lot of applications and especially games need it in order to run.
Even though the technology behind d3dcompiler_43.dll is considered to be outdated (it’s primarily used by optional DirectX 9 and DirectX 10 files), a lot of games will refuse to start unless the file is properly installed.
Warning: Do not listen to the advice on certain websites telling you to where to download the d3dcompiler_43.dll file and where to paste it on your system. That’s asking for trouble. The vast majority of singular DLL files that can be downloaded are actually malware and will get your system infected.
If you’re currently struggling with this issue, the following method will help. The fix below has enabled most users encountering the D3Dcompiler_43.dll missing error to resolve the issue.
How to fix the D3Dcompiler_43.dll missing error
Most users encountering have managed to resolve the issue by downloading and installing DirectX End-User Runtimes (June 2010). To do this, visit this link (here) and wait for the download to commence.
Once the download is complete, open the installer and follow the on-screen prompts to install the DirectX End-User Runtimes (June 2010) on your system. Once the installation is complete, reboot your computer to apply the changes. At the next restart, see if the issue has been resolved by trying to open the application that was previously showing the D3Dcompiler_43.dll missing error.