Make sure that there are no printers, faxes or other device drivers using the same port that your Serial Comm App is attempting to use.

>Dear All,
>
>I had Serial Comm. App (developed by using VB6) .. it runs properly on Win 98SE, when trying to run on Win XP Pro .. I got Windows error .. my question is: is there any special treatment/trick for doing this on XP? .. I need advise
>
>Regards
>Teddy