A COM and Registry review staring CLSID, TypeLib, Interface and AppID

If you are working with COM there are several registry entries that are important and that you need to understand. I will try in this post to clarify them. But before that, let’s enumerate the three possible COM server scenarios. (As a side note, a COM server is a DLL or EXE can contains one or more COM objects; a client is an entity that uses a COM object, which means a COM server can also be