Class not registered

When I single click a photo in windows explorer, I can see the thumbnail of
nthe photoand the info below the file listing. When I double click, I get a
"class not registered" error. How do I fix it?

"Scott" wrote:

> When I single click a photo in windows explorer, I can see the thumbnail of
> nthe photoand the info below the file listing. When I double click, I get a
> "class not registered" error. How do I fix it?

Further to the above, I cannot open jpgs in Outlook 2003 either.