I just installed .net 3.5 sp1, vs 2008 sp1 and thus got access to the latest version of the entity framework. Since I hadn't played with it before, I decided to try. My scenario was more than simple, bordering on lame: save some data in one table in a sql compact database. So I quickly generated the .edmx using the wizard (which is pretty cool btw) and just ran the app. Unfortunately, when the ObjectContext derived class would be instantiated, i got the following FileNotFoundException: "Could not...