.NET Framework 3.5 SP1 en Administrator permissions are required to install .NET Framework 3.5 SP1. Contact your administrator. Installation of the .NET Framework 3.5 SP1 requires Windows XP SP2, Windows 2003 SP1, Windows Vista, or later. Contact your application vendor. This version of the .NET Framework 3.5 SP1 is not supported on an IA-64 operating system. Contact your application vendor. The user has cancelled the installation. .NET Framework 3.5 SP1 has not been installed. A failure occurred attempting to install .NET Framework 3.5 SP1. http://go.microsoft.com/fwlink/?linkid=118076