An error of Visual Studio 2010

Hello everyone,
I am using Visual studio 2010 for several weeks. But nowadays whenever I try to run asp.net project, an error occurred. Sometimes while running other applications like IIS7.x the below error message occurs.
I want to get rid of this. Any tips?
Thanks in advance.

Microsoft Visual Studio
Unable to open the Web site
'https://localhost/ClaimsEnableWebSite'. To access access local IIS Web sites, you must install the following IIS components:
In addition, you must run Visual Studio in the context of an administrator account.
For more information, press F1.
OK Help
