SharePoint 2010 Installation Error

Hi All,
       My client is having his server.And when I try to install the SharePoint 2010 Server in Windows Server 2008 r2
 I am facing issue as below.

can any one help me why the error is encountering and how can I solve it

Thanks, Quality Communication Provides Quality Work. http://siddiq-sharepoint2010.blogspot.in/ Siddiqali Mohammad .