Take a look at Thread #374368 and Thread #400193.

>We are an accounting firm and we have the facility to email reports, either as HTML, or HTML and XML. For most of our customers it works fine, but we are having problems with one or two. It falls over when we return the window handle e.g. FoxWind = MAINHWND()
>
>It comes up with the following error
>
>ERROR: (2028) API call caused an exception.
>Program: PROCEDURE REPORTPROG.SENDEMAIL C:\ENCORE\CLASS\ANAGRAM.VCT Line 175
>REP712.orderno
>
>The customer has the latest Internet Explorer and Microsoft outlook.
>
>Does anyone have any solutions or ideas
>
>Thank you
>
>David
>Anagram Systems