The (default) value really doesn't have any name at all; it's a phantom value,so to speak, and Windows just gives it the default name of (default).
To use the (default) value for any registry key, the user needs to specify no value name at all for it. For example, the
following UDF default would get the needed value:
Notethat the (default) value name is missing from the end; the full keyaddress ends with a backslash character.