>Sometimes I run a form first thing into a session, which opens a database for shared use.
>Then I want to modify the RI and I get the message that the DBC is not opened exclusively, so I can't update.
>I can't figure out how to close the database so I can re-open it exclusively.
>I try "close database" with the database selected, I try "close databases all", nothing seems to be working.
>Is there something going on that is keeping the database from closing?
>I only have my project open at the time.
>
>TIA
>
>Bill
Is your DBC part of the project? If so, it is opening whenever you open your project.

As far as closing it, I generally end up with

Close Data All
Close all
Clear all

That generally does it for me.