Are you using the same version of Windows? WinFax 10.0 has problems under WinXP. See mskb #324755 Cannot Install or Use WinFax PRO 10.0 on Windows XP.

>Hi all,
>a year ago i did a project for a customer that automated a winfax send. i need to do the same for another customer but this time i am geting errors that are not maing much sence to me. the ole number is 80040154 - class not registered. i have uninstalled and installed winfax a few times now but always the same error, i am using the original code that i used on the other customers screen in the click event and the same version of winfax, 10.0. has anyone any ideas?
>Cheers
>~M