Installation Error on NAV 2015

Microsoft Dynamics NAV Build 37874

Error Report
Setup Components
The component was rolled back.
Web Server Components
IIS prerequisites for Web Server Components
An error has occurred while trying to install required dependencies for Web Server components.
For more information about the error, see the %TMP%\Microsoft.Dynamics.Nav.WebClient.DependencyInstaller.log file.
For more information about how to install Microsoft Dynamics NAV Web client, see the Microsoft Dynamics NAV 2015 Help.

My IIS is working fine i checked in browser by typing localhost, then iis is working on browser. but when i am installing in NAV setup by taking web Server component  then it throwing above error .can any one share the answer