Title Products Classification Last Updated Version Size          Download
2025-10 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5066150) Windows Server 2008 R2 Security Updates 10/14/2025 n/a 28.3 MB 29688624
2024-10 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5044011) Windows Server 2008 R2 Security Updates 10/8/2024 n/a 27.5 MB 28865013
2024-08 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5041942) Windows Server 2008 R2 Updates 8/13/2024 n/a 27.5 MB 28871550
2024-07 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5039909) Windows Server 2008 R2 Security Updates 7/9/2024 n/a 28.7 MB 30121415
2024-04 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5036626) Windows Server 2008 R2 Security Updates 4/9/2024 n/a 24.2 MB 25399198
2024-01 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5033899) Windows Server 2008 R2 Security Updates 1/9/2024 n/a 24.2 MB 25395813
2023-11 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5032000) Windows Server 2008 R2 Security Updates 11/14/2023 n/a 24.2 MB 25382187
2023-09 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5029938) Windows Server 2008 R2 Security Updates 9/12/2023 n/a 24.2 MB 25394466
2023-08 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5028969) Windows Server 2008 R2 Security Updates 8/8/2023 n/a 24.2 MB 25388623
2023-07 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5028871) Windows Server 2008 R2 Updates 7/11/2023 n/a 24.2 MB 25397128
2023-06 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5027140) Windows Server 2008 R2 Security Updates 6/13/2023 n/a 24.2 MB 25397009
2023-02 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5022523) Windows Server 2008 R2 Security Updates 2/14/2023 n/a 24.2 MB 25361417
2022-12 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5020861) Windows Server 2008 R2 Security Updates 12/13/2022 n/a 24.2 MB 25360749
2022-05 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5013637) Windows Server 2008 R2 Security Updates 5/10/2022 n/a 24.2 MB 25353419
2022-04 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5012138) Windows Server 2008 R2 Security Updates 4/12/2022 n/a 23.8 MB 24999548
2022-01 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB5008867) Windows Server 2008 R2 Security Updates 1/11/2022 n/a 23.8 MB 24992112
2020-10 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB4578952) Windows Server 2008 R2 Updates 5/11/2021 n/a 23.8 MB 24988201
2020-08 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB4569767) Windows Server 2008 R2 Security Updates 8/11/2020 n/a 23.8 MB 24983123
2020-07 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB4565612) Windows Server 2008 R2 Security Updates 7/23/2020 n/a 23.8 MB 24978763
2020-05 Security and Quality Rollup for .NET Framework 3.5.1 for Windows Server 2008 R2 for x64 (KB4552940) Windows Server 2008 R2 Security Updates 5/12/2020 n/a 23.7 MB 24845212
2020-01 Security and Quality Rollup for .NET Framework 3.5.1 for Windows 7 and Server 2008 R2 for x64 (KB4532945) Windows 7, Windows Server 2008 R2, Windows Embedded Standard 7 Security Updates 1/14/2020 n/a 23.3 MB 24453794
2019-07 Security and Quality Rollup for .NET Framework 3.5.1 for Windows 7 and Server 2008 R2 for x64 (KB4507004) Windows 7, Windows Server 2008 R2, Windows Embedded Standard 7 Security Updates 7/9/2019 n/a 23.3 MB 24457304
2019-05 Security and Quality Rollup for .NET Framework 3.5.1 for Windows 7 and Server 2008 R2 for x64 (KB4495606) Windows 7, Windows Server 2008 R2, Windows Embedded Standard 7 Security Updates 5/14/2019 n/a 23.3 MB 24450165
2019-02 Security and Quality Rollup for .NET Framework 3.5.1 for Windows 7 and Server 2008 R2 for x64 (KB4483458) Windows 7, Windows Server 2008 R2, Windows Embedded Standard 7 Security Updates 2/12/2019 n/a 23.3 MB 24439935
2019-01 Security and Quality Rollup for .NET Framework 3.5.1 for Windows 7 and Server 2008 R2 for x64 (KB4480063) Windows 7, Windows Server 2008 R2, Windows Embedded Standard 7 Security Updates 1/8/2019 n/a 23.3 MB 24433927
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