http://blogs.msdn.com/b/vsnetsetup/archive/2010/08/21/ddset-error-internal-error-2.aspxIf you are getting the above mentioned error with visual studio 2010, please refer the following blog link http://blogs.msdn.com/b/smondal/archive/2010/05/31/ddset-error-internal-error-2.aspx     Content by : Soumitra Mondalen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)