Hi Mike.

>How can I determine why or where a class library is being incorporated into my VFP7 SP1 project after building an exe?
>
>If I remove it from the project, it always come back and I don't know which object is being referenced in it.

Try removing it from the project, renaming it, and building the EXE. You'll get an error that the class can't be found and the error message will indicate what file is expecting to find it.

Doug