Why do I get the following error message when trying to use Report Builder in sql server 2012?

Hi ,

Please go through the below Link :

social.msdn.microsoft.com/Forums/sqlserver/en-US/5db278e1-db7e-49cd-8b6d-934807d15d19/report-builder-only-starts-when-reporting-services-is-started-using-localhost-how-do-i-fix-this

If the problem still persists kindly let me know.

Thanks

Rishab