Problem with opening a project.

Question

Hi all, I have a project that I have been working on for a few weeks now, this morning I tried to open the project and I get a message saying the web server is not running. I know the server is running, but VS.NET says it's not still. I tried running "aspnet_regiis -i", but this made no difference. The server was okay when I was working on it yesterday. Does anyone have any ideas as to why it doesn't run anymore? I hope this is understandable. Thanks in advance,