It's got to be something not being released on that second form. Maybe you could check by deleting each object on the form one at a time until the problem goes away...

>This is defitely related to the second form in the set. I removed the second form and the problem went away. I then re-created the second form, copied all of its controls back from the earlier version, and the problem came back.
>
>I guess this is going to be one of those things I'll never figure out and will just have to work around via trial and error.