Cant connect to my report builder servername

Hi!

 

First I would like to inform all beginners that never find a great site to learn Report Builder. They can see here:

http://www.infotoad.com/blog/post/2012/10/01/Introduction-to-Report-Builder-30-Part-1.aspx

 

Secondly, I have a question I am still on my first lesson but I cant continue just because I cant be connected to my servername in report Builder 3.0.

Its say connection failed.

in my sqlserver 2008 (the integrated one in VS 2010), the path is INAC-PC\SQLEXPRESS, but it's doesnt work for Report Builder. Only Sqlserver.

 

Please any help.

 

Israel.