The application you are installing requires the Microsoft .NET framework version 2.0 to run. For Windows 98, 2000, XP, download the Microsoft .NET Framework Version 2.0 Service Pack 2 Redistributable Package (x86) (23 MB). For Windows XP x64 download the Microsoft .NET Framework Version 2.0 Service Pack 2 Redistributable Package (x64) (46 MB). Windows Vista and Windows 7 come with version 2.0 of the .NET framework preinstalled. Both downloads come directly from Microsoft. Once you’ve installed the .NET framework, you can continue installing the application.