You may have a dangling object reference somewhere. Have you released all of your objects with something similar to the below?

oobjectname=.null.
release oobjectname

You can also include CLEAR DLLs just in case, but CLEAR ALL usually dumps them.
>Hi all,
>
>I have a problem issuing the CLEAR ALL command because something is not released or closed, probably a dangling reference somewhere. Is there a VFP command that releases,clears and closes everything (objects,memory,etc)? Or a sequence to kill all dangling reference?
>
>

>* This is my code snippet when exiting the app.
>close all
>release all extended
>clear memory
>clear all && bomb!!!
>