Error : “Unable to start debugging on the web server…” ASP.NET 4.0

Question

I am getting an error when I want to create a web site on IIS server. I am using Windows 7 and Visual Studio 2010.

Do I have to register or configure asp.net 4.0 for th

Answer 1

For me this was related to this solution: http://www.codeproject.com/Questions/83338/Does-not-have-write-access-to

 cd %windir%\Microsoft.NET\Framework64\v4.0.30319
 aspnet_regiis -i
 aspnet_regiis -ga "IIS APPPOOL\DefaultAppPool"

Note this didnt work after I did it on Framework folder and then worked after I did it on Framework64 folder. I guess do both to be sure.