Hi, Michel.

>I have the same setup on two PCs. I simply copied the directory, which contains my .SLN file, for a Web site. The Web site is local. But, when on the 2nd PC, if I try to open the .SLN file, it keeps complaining:
>
>The applicaton for project 'http://localhost/Level Extreme' is not installed.
>Make sure the application for the project type () is installed.
>
>How can I succeed to establish that project working with my existing site?

Did you create the virtual directory? Is ASP.NET enabled in the second machine?