Microsoft issues the .NET Framework service pack 2.0 (SP2). It’s recommended for all .NET users and developers. According to Microsoft, “…this release is targeted to several customer groups, including developers who are creating Microsoft .NET-based applications and services, Visual Studio .NET users, administrators who want to deploy the update throughout an organization or development team, and end users who want to take advantage of .NET applications and services.”
This SP2 release includes fixes needed in SP1 as well as a focus on security. You can find it by clicking on the link here.