HTTP Error 500.19 - Internal Server Error website - 80070021 - Error code

>  If you are getting error(below) in running website

> Install IIS

• Click "Start button"
• Open control panel
• Open Program and features
• Click on 'Turn on windows features on or off'
• Click IIS services
• Click: "World Wide Web Services"
• Click: "Application Development Features"
• Check (enable) the features. I checked all without CGI.

references:-https://stackoverflow.com/questions/9794985/config-error-this-configuration-section-cannot-be-used-at-this-path

or

If the problem not resolved

Goto root folder>right click>Properties>Security Tab>Click on Edit>Add> Type 'IIS_IUSRS' and give all the permissions.> 

reference:- https://stackoverflow.com/questions/5615296/cannot-read-configuration-file-due-to-insufficient-permissions