>So does that mean that possibly there has been no app associated with the jpg or bmp extension on those machines?
That's what I'm guessing
> If so how can I programmatically perform that association from my app?
You'd have to hunt down the CLSID of the application and add it as per
this MSDN article. But if it isn't handling it, odds are an app to handle jpgs isn't installed anyway.
Mike Stewart