>There is something in the knowledge base that mentions this function can be a problem if another program is run that can handle DDE calls. It mentions IE as a possible culprit.
>Has anything been upgraded recently by accident or design.
>If you just turn the PC on and then run your code does it hang straightaway?
>Which O/S is this ? Consistent across all machines? Does it work until you run something else?
>
>Questions, questions...

Thank you for the reference. I recently installed IE7. This was code from the late Ed Rauh. Thinking it over, I did away with the call altogether.

Best regards.

Alex