>My session object works fine running my app from .prg
>When I compile and run the .exe the rest of the application is fine
>but the section where I use the object gets me an error:
>
>Class definition SESSION is not found.
>
>Any suggestions?

Make sure you are using the VFP 6.0 SP3 runtime libraries. The Session class was new to that release and an older set of the runtime libraries will give you the exact error you are getting.