Microsoft has released a hotfix for .NET Framework 3.5.1



Hotfix for .NET Framework 3.5.1 - Windows Vista Service Pack 2/Windows Server 2008 Service Pack 2 - KB2637518

Install this Hotfix to resolve the issue described in the Knowledge Base Article linked below.

Hotfix for .NET Framework 3.5.1 - Windows Vista Service Pack 2/Windows Server 2008 Service Pack 2 - KB2637518

Hotfix for Microsoft .NET Framework 3.5.1 on Windows 7 RTM and Windows Server 2008 R2 RTM

Install this Hotfix to resolve the issue described in the Knowledge Base Article linked below.

Hotfix for Microsoft .NET Framework 3.5.1 on Windows 7 RTM and Windows Server 2008 R2 RTM

Hotfix for Microsoft .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1

Install this Hotfix to resolve the issue described in the Knowledge Base Article linked below.

Hotfix for Microsoft .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1