When I go to compile the Srataflix Solution (c#) i get a message - selected solution is a solution file..but was crated by a newer version of the application and cannot be opened ..I am using VIs Styudio 2005

When I try to recompile the Project , I get 4 files cannot be found

....Strataflix.Base.Dll  .....Business.dll   .....Reporting.dll and ......ui.dll