Having a really strange problem....I have a form. The name property of the form is frmSaddleEnd....It has a combobox named cboSad_boltdia...In the UserForm_Initialize() event, I fill the combobox like this......... cboSad_boltia.AddItem "1.0" cboSad_boltia.AddItem "1.5" etc. At one point this was working, however now when I run the program, I get the following error: Runtime error '424' Object required If I change the name of the UserForm_Initialize() event to frmSaddleEnd_Initialize(), the program runs, however the combobox is not filled??????? As I said, this was working fine at one point....What could I have done to cause this behaviour...Makes no sense to me...