I have the exact same problem...but I didn't install nero...I installed some
other program which I uninstalled...it was another media player. I installed
it since Windows Vista Business doesn't have a DVD playback codec. I've
tried many things but still no success.

"awesmdiver" wrote:

> This is correct. My system showed all the file associations to be correct
> and the issue was with IE7 and streaming video/music. I have since rolled
> back prior to Nero installation and everything is back to normal. So, I
> would have to agree that the issue is with Nero. I have tried Roxio and that
> works fine.
>
>
> "Wild-One" wrote:
>
> >
> >
> > "Frank Saunders, MS-MVP OE/WM" wrote:
> >
> >
> > > Right click an MPG file and choose Open with. Select Windows Media Player
> > > and check the box to Always use this program.
> > >
> > > --
> > > Frank Saunders, MS-MVP OE/WM
> > > http://www.fjsmjs.com
> > > Answer in newsgroup. Don't send mail.
> > >
> > Frank,
> >
> > When the dialog box comes up after selecting open with, Windows Media
> > Player is already selected. It seems the problem is that when you are viewing
> > a webpage with a link to an mpg or mpeg file and you click the link, IE says
> > it cannot display the page and gives an error message instead of opening the
> > file in windows media player.
> >
> > Wild-One