CefSharp requires specific versions of its core DLLs to work together. A mismatch between CefSharp.dll and CefSharp.Core.Runtime.dll will prevent the application from starting.
If you are building an application and the DLL is missing from your output folder: download cefsharp.core.runtime.dll
Download the Visual C++ 2019/2022 Redistributable. CefSharp requires specific versions of its core DLLs
While sites like DLL-files.com or Fix4DLL host these files, they are often outdated or version-mismatched. Using a DLL from an unofficial source can lead to: download cefsharp.core.runtime.dll