Installing ASP.NET AJAX (code-name 'Atlas') July CTP on Windows Vistahttp://blogs.msdn.com/b/publicsector/archive/2006/10/10/installing-asp.net-ajax-_2800_code_2D00_name-_2600_quot_3B00_atlas_2600_quot_3B002900_-july-ctp-on-windows-vista.aspxYou will most likely run into an error if you run the AtlasSetup.msi on Windows Vista RC1 or higher. The error happens during the step where the Visual Studio templates are installed. I'm not sure exactly what the root cause is, but there is a workarounden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)