>I guess it may be the version of IIS that I'm running. It's a couple of years old.
I also have IIS 5. This should not be a factor.
>I checked under the Add/Remove area and the version of my .Net Framework is definitely 1.1.
This should work with that version as well. You should be able to see the ASP.NET panel in the Web site property. Could you try to reinstall the framework, and while at it, maybe go with the 2.0 version.