Hi!<BR>I started to mess around with VS.NET, and I wanted to start a new ASP.NET project.<BR>I have all installed correctly (iis, .net framework, ...) and I&#039;ve tried some aspx files I&#039;ve made with notepad, and it works fine.<BR>The first project I started in VS.NET, I made the traditional Hello World, and when I try to view it in the browser it builds with 0 errors, and when it opens the browser window I got a server error:<BR><BR>Server Error in &#039;/ContactosNatal&#039; Application.<BR>--------------------------------------------------------------------------------<BR><BR>Method not found: Void System.EventHandler..ctor(System.Object, IntPtr). <BR><BR>Does anybody know what is happening?