This is a continuation of my last question. In that question I showed a problem involving TWebBrowser generating threads that persisted after the Browsers destruction. While
You are missing the Chromium Embedded Framework (CEF) core libraries. It is enough to copy the content of the ..\dcef\bin\Win32 folder (from your downloaded package) into your project's output directory (or into some of the known folders location reachable from your project's executable).