http://support.microsoft.com/kb/139154

>I have an app that a client has just installed on a Win 7 OS and is having problems. The relevant error stack:
>
>8 Reptwiz.Error (..\stonefield\sfreports\sfreports.vct)
>7 Reptwiz.Ocommondialogloader.Loadactivex (..\stonefield\sfcommon\sfactivex.vct)
>6 Reptwiz.Ocommondialogloader.Init (..\stonefield\sfcommon\sfactivex.vct)
>
>And the error is:
>
>OLE error code 0x80040112: Class is not licensed for use
>
>Can anyone point me in the right direction?
>
>TIA,
>Dick