Thanks for your information, however:

I may ultimately end up using the workaround of using .additem, but that does not explain why it works on my (developer) PC but not on the only user's PC. As I understand it, using a databound control is much faster than using .additem.

Actually, not even one entry shows up.

I am wondering what I should look at as different between my PC and the user's PC....

I am using VB 6. I have a databound combo box which links to an Oracle
database through an Access .MDB. The Access is version 2003 (11.6566.8122) SP2. The combo box is a Microsoft control - not third party.

When I run the program on my (development) computer the combo box gets
loaded and displays the entries when I click on the down arrow, as it
normally would. It works both in the IDE and when run from...