Similar to http://stackoverflow.com/questions/1928957/debugging-asp-net-with-iis but for different version of visual studio, different OS and his fix didn't work.
Before I shut down my computer last night everything worked fine. This morning I rebooted and I started getting the error message below when I tried to start debugging my web application:
When I start it without debugging it get a HTTP 503 error.
What would cause this to suddenly break? How do I fix it?