We have had Arcmap 10 installed on our machines for about a month now and all seems to be well. I ran into an issue yesterday when I tried to install the Developer SDK for .NET. An error message shows up stating that I need to have a supported version of Visual Studio installed before the install can continue.
We do have Microsoft Visual Studio 2008 Sp1 Professional installed as well as .NET 3.5 framework. Visual Studio and Arcmap both work just fine. Has anyone else ran into this problem or know of a solution? I have put in a help desk request with ESRI, and will post here if I get an answer from them.