Try

RELEASE CLASSLIB Programa.VCX
CLEAR PROGRAM 

>If I instantiate a class from another executable like:
>

>objPrograma = NewObject("Programa", "Programa.VCX", "Auxiliar\Programa.EXE")
>

>
>If I try to rename Auxiliar\Programa.EXE isn't possible because the class Programa is in the memory.
>
>How can I release Auxiliar\Programa.EXE from memory to rename it ?
>
>I can do like this:
>

>objPrograma = NewObject("Programa", "Programa.VCX", "Auxiliar\Programa.EXE")
>objPrograma.SomeMethod()
>Release objPrograma
>Rename Auxiliar\Programa.EXE to Auxiliar\Programa_OLD.EXE
>