There is a utility mentioned at this site that claims to be able to do what
you want.
http://www.watchingthenet.com/associ...ows-vista.html
It is the Attachment unassoc_1_3.zip. Please check it carefully before
using.
--
Jeff Richards
MS MVP (Windows - Shell/User)
"DrKillPatient" <guest@xxxxxx-email.com> wrote in message
news:55c351af8411ee67f3c6471978be48a9@xxxxxx-gateway.com...
Quote:
>
> But my point is, I want it to open by default with 'unknown
> application'.
> --
> DrKillPatient