COM-related information is stored in the HKEY_CLASSES_ROOT hive in the
Registry.The structure of this hive, in terms of relevance to registration, is explained in
the following sections.
HKEY_CLASSES_ROOT\CLSID
The HKEY_CLASSES_ROOT\CLSID key in the Registry is the container of all regis-
tered components in the system, indexed by their CLSID value. A fundamental part of
component registration is that a component must register its CLSID information in
this key.
HKEY_CLASSES_ROOT\
CLSID\{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
The presence of a CLSID key inside HKEY_CLASSES_ROOT\CLSID indicates the
registration of a COM object. The default value of the key is the friendly name of the
component—for instance, Msxml.The key must also have a child key repr ...