It sounds like you have a mapping problem with IIS. If you install IIS after you installed Visual Studio, the ASP.NET mappings are lost. To correct this, you need to run the aspnet_regiis.exe utility. It will reinstall ASP.NET on your machine. The utility is located in the %windir%\Microsoft .NET\Framework\v1.0.3705 directory. Just issue the following:

aspnet_regiis -i

>I created a very simple Web Service in C#. On a previous machine, I was able to 'view' it in a browser, and was able to visually add it as a Web Reference into my WinForm app.
>
>However, I'm on a new machine with VS.NET completely reinstalled, and now things don't seem to work. When I go to 'view' my web service in a Browser, I get a very quick 'file download' screen (the normal screen you'd see when you download a file from the Web...with the thermometer reader going across the screen), but nothing else.
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>When I go to add my web service as a reference to a WinForm, I get the same thing...when I specify my SERVICE1.ASMX, I get a quick 'file download' progress bar, but I'm never actually able to visually add the web reference to my project.
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>It sounds like some setting, either in Internet Explorer or in VS.NET (or both) isn't set right, but I have no clue what it could be.
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>Any thoughts?
>
>Thanks,
>Kevin