Fix D3DCOMPILER_43.dll error when launching Epic Games Launcher
If you see an error mentioning D3DCOMPILER_43.dll when opening the Epic Games Launcher, the issue is usually caused by a missing or corrupted DirectX file.
Follow these steps to resolve the problem:
- Go to the Microsoft DirectX support article (Opens in a new tab) and follow the instructions to install or update DirectX on your PC.
- Look for D3DCOMPILER_43.dll in the following locations:
- C:\Windows\System32
- C:\Windows\SysWOW64
- If the file is missing or not working in either folder:
- Download a fresh copy of D3DCOMPILER_43.dll from the DirectX installation package.
Note: Only download DLL files from official sources like Microsoft. - Copy the file into both folders listed above.
- Download a fresh copy of D3DCOMPILER_43.dll from the DirectX installation package.
- After replacing the files, restart your PC and try launching the Epic Games Launcher again.