Copying Doth Not A Debuggable Web Application Maketh This week I was banging my head against the wall with a web project that I was working on. The project manager had sent me a web project that he wanted me to work on. I copied the project and files into a directory (for sake of example xyzproject) under inetpub\wwwroot. Then, from within Visual Studio I opened the project from web: localhost/xyzproject. I made a bunch of changes and then tried to run the web app. I got an error that said that the application was not configured for debugging. Following the instructions given by the error message, I went to my web.config and made sure that in the configuration section that debug was set to true (which it already was). I try to run the application, and again I'm presented with the error that the application is not configured for debugging. I can't even run the app in release mode. After knocking my head against the wall for a while, I came to the realization that just copying a