>>>Erik:
>>> If that is the cause, should the problem go away when I copy the msmapi32.ocx to one of the PC? But it did not fix the problem. Could you tell me why ? thanks
>>>sherry
>>
>>You have to register it as well.
>>
>>Run
>>
>>RegSvr32 "msmapi32.ocx"
>>
>>from the windows run dialog.
>
>
>You can also programmatically do this; see the FAQ entry by Paul Tatavu on registering an OCX within a VFP app without calling REGSVR32.

I know- I do this in one of my distributed apps to automatically download and register a COM component on the fly. It's nice to be able to do this without a UI.