I got this error while trying to run the program. After pressing F5 I received a popup that was showing that This message "The Web Server Has Been Locked Down and Is Blocking the DEBUG Verb". After searching net, i found the below solution.
Steps to correct the error.
1) Open UrlScan.ini file in notepad.It will be in window drive in window folder
(C:\WINDOWS\system32\inetsrv\urlscan\UrlScan.ini) - Take backup of your file before change
2) Find [AllowVerbs]
3) Check if there is written DEBUG
4) If not then write :) Done
After written It will be like:
Now run Visual Studio and site. It will run properly.