Are you referring to RAW images?

The default viewer in XP could handle RAW images only if you upgraded with a
MS-provided add-on. Perhaps it will be available for Vista soon.

Meanwhile, Irfanview can handle RAW images, provided you install the
plug-in, and runs just fine in Vista.
www.irfanview.com
--
"Barry" <hiouchibear@earthlink.net> wrote in message
news:OUulSgHWHHA.4832@TK2MSFTNGP04.phx.gbl...
> This is the default viewer in Vista for images. I take high resolution
> digital images that MS Photo Editor will not open. I have to open them in
> Adobe Photoshop CS2. I was told by the local computer shop that this is
> "normal" on Vista and that you have to use an alternate program to open
> high resolution images. I didn't have this problem with XP. Why do I
> have such a problem with Vista if it's supposed to be an "upgrade" from
> XP?
>
> Barry