how can i deploy the Asp.net application on localhost?

i have project in visual studio 2010 how can i deploy this on localhost? i deployed it but it is not working

HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid.

Detailed Error Information:
Module     IIS Web Core
Notification       Unknown
Handler    Not yet determined
Error Code     0x80070003
Config Error       Cannot read configuration file
Config File    \\?\C:\inetpub\wwwroot\web.config
Requested URL      http://localhost:80/
Physical Path      
Logon Method       Not yet determined
Logon User     Not yet determined

Config Source:
   -1: 
    0: 

More Information:
This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error.
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