>I have an application that I am working with that calls a class lib stored in a .app file. After quiting the program but still in VFoxpro 5 I modify the project file but when I go to rebuild the app it says the app is still in use and can not be released from memory.
>
>Any ideas on how to clear this so I don't heve to exit FoxPro to rebuild the project.

have you tried the standard remedies of:

RELEASE ALL
CLOSE ALL
CLEAR PROGRAM
CLEAR ALL