I\'m running Windows Server 2008 R2 (x64) with IISExpress8 and when navigating to
c:\\Program Files (x86)\\IIS Express>iisexpress.exe
i
I resolved this (with vs2013 and windows 7) by going to Documents > IISExpress> Config and renaming the application.config. After that, I restarted visual studio and opened my project and it worked.