>>Basically the class definition file is compiled when when you make a instance of it.
>
>I don't think thats true. Thats what I was trying to say in my original message.
>
>Running this program does not work as an EXE but does work as an APP:
>
>

* Create a PRG
>TEXT TO lcPrg NOSHOW
>DEFINE CLASS myNewClass AS Session
>	PROCEDURE Test
>		WAIT WINDOW 'Test!'
>	ENDPROC
>ENDDEFINE
>ENDTEXT
>
>STRTOFILE(lcPrg, 'custom\testdcx.prg')
>oO = NEWOBJECT('myNewClass', 'custom\testdcx.prg')
>oO.Test()

>
>The following, works regardless of where it's running from:
>
>

* Create a PRG
>TEXT TO lcPrg NOSHOW
>DEFINE CLASS myNewClass AS Session
>	PROCEDURE Test
>		WAIT WINDOW 'Test!'
>	ENDPROC
>ENDDEFINE
>ENDTEXT
>
>STRTOFILE(lcPrg, 'custom\testdcx.prg')
>COMPILE custom\testdcx.prg
>oO = NEWOBJECT('myNewClass', 'custom\testdcx.prg')
>oO.Test()

You are absolutely right. My *.exe version was picking up the compiled version defination program left from running the *.app version. When I made a change the program ran the same - others could not run it.

Thank you