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  1. Update for the .NET Framework 3.5 Service Pack 1 (May 2009)

    May 1, 2009 · Install this update to address a set of known issues with the Microsoft .NET Framework 3.5 Service Pack 1, the Microsoft .NET Framework 3.0 Service Pack 2, and the …

  2. March 27, 2025-KB5054979 Cumulative Update for .NET …

    Apr 8, 2025 · The March 27, 2025 update for Windows 11, version 24H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that …

  3. January 14, 2025-KB5050188 Cumulative Update for .NET …

    Jan 14, 2025 · Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2. Security Improvements CVE-2025-21176 - .NET …

  4. April 8, 2025-KB5054695 Cumulative Update for .NET Framework …

    The April 8, 2025 update for Windows 10, version 1809 and Windows Server 2019 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.7.2. We …

  5. When you try to install an update for the .NET Framework 1.0, 1.1, …

    Microsoft .NET Framework 3.0 or Microsoft .NET Framework 3.0 SP1 when you use it with any of the following operating systems: Windows Server 2003, Datacenter Edition for Itanium-based …

  6. List of changes and fixed issues in the .NET Framework 3.5 Service …

    Summary This article describes the following aspects of the Microsoft .NET Framework 3.5 Service Pack 1 (SP1): Hotfixes that are included in this service pack New features and …

  7. Clarification on the support life cycle for the .NET Framework 3.5, …

    Jul 12, 2011 · The .NET Framework 3.5, the .NET Framework 3.0, and the .NET Framework 2.0 were historically released as individual products on platforms in versions of Windows earlier …

  8. January 14, 2025-KB5049615 Cumulative Update for .NET …

    Jan 14, 2025 · Additional information about this update The following articles contain additional information about this update as it relates to individual product versions. 5050182 Description …

  9. Update for the .NET Framework 3.5 on Windows 8, Windows 8.1, …

    This issue is also described in the following Microsoft Knowledge Base: 3002547 Enabling the Microsoft .NET Framework 3.5 optional Windows feature in Windows 8, Windows Server …

  10. May 14, 2024-KB5037933 Cumulative Update for .NET Framework …

    The May 14, 2024 update for Windows 10, version 1809 and Windows Server 2019 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8. We …