Bill,
Be sure you have closed your project before you open the database Exclusively. Sometimes a PJX file will keep a reference to the DBC which prevents it from opening exclusively but does not give an error message.

HTH
Barbara

>I was trying to set up Referential integrety on two table and got a message box that I need to clean up DATABASE Item, it sait go have the database design window open and go to the database menu and choose clean up database. When I try that that option is not availiable, I've made sure I had everything exclusive. VFP 6.0