Hi All I have facecd a problem while deploy window application in client place we have developed a window based application in DOTNET with C#. in this application we have used Crystal report as you know.. while i run this report (Crystal) it was functioning . but when my client ran this report(Crystal) system returns some errors like "File or assembly name Crystaldecisions.Windows.Forms or one of its dependencies,was not found". i dont know how this error was occured. Can any one tell me what should i do to reduce this kind os errors ? Note : i installed DOTNET framework 2.0 in client System.Bye