I have the same problem too. I cannot download .doc file and .pdf file from
my hotmail. If I try to save the file I got error "Internet explorer cannot
download. No such interface supported"

"Patrick Anderson" wrote:

> I have the same issue. I am unable to download from hotmail, downloads.com,
> Microsoft, etc. I am also unable to stream radio (I suspect for the same
> reason as it downloads an ASF)
>
> "Doug Perreault" wrote:
>
> > I have tried several different downloads -- a TXT file, an XLS and a DOC and
> > all worked perfectly for me. I also used FTP to download an EXE and that
> > worked as well. It may have something to do with the site, or something else
> > on your side.
> >
> > --Doug
> >
> > "J_hotsauce" wrote:
> >
> > > Since installing IE7 Beta 2 I am unable to download any file. I've tried
> > > .exe's, doc's and other files from multiple sites and they all failing. IE
> > > appears to begin the download but then displays message that "The requested
> > > site is either unavailable or cannont be found."
> > >
> > > I have tested the download with other browsers and had no problems.
> > >
> > > Anyone else running into this?

"Ricky" <Ricky@discussions.microsoft.com> wrote in message
news:BAB06182-F4DA-4E19-8593-98395478A4B7@microsoft.com...
>I have the same problem too. I cannot download .doc file and .pdf file from
> my hotmail. If I try to save the file I got error "Internet explorer
> cannot
> download. No such interface supported"

Don't know whether this might help....
http://support.microsoft.com/kb/281679/en-us