I got this error message - "There is no object in this control." when opening a form that has a common dialog control. Also, all properties and methods about this controls do not work. Actually, this control works OK on some machines. What's the problem?<br><br>There might be two reasons, I think.<br>1. I may need to add reference about this common dialog control. (This reason does not sound right since I can not ask every user to add reference before they use my database on their machine.)<br>2. I do not have licence to use this control. (I imported a form with the common dialog control into my database and modified it.)<br><br>