Ok, I have a solution open in VS, which contains a SF project, and a widget project
The site is loading in IIS not the VS webserver
If I leave the Page editor open and idle for a while (like walk away from the PC, or go to lunch), then try and hit the preview again I get this
Login to manage the site
You do not have the permissions to access this page. Try using other credentials or contact the administrator.
You were automatically navigated form "/main/Action/Preview" because you are not authorized to access that page!
What do you want to do?