February 2018 Preview of the Quality Rollups for .NET Framework 3.5 SP1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1 for Windows 8.1, RT 8.1 and Server 2012 R2 (KB 4074807)

Update KB 4074807 has been released as part of the Preview of Quality Rollups for .NET Framework for February 2018. Parts of this update were previously released as part of the Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7.1 for Windows 8.1 and Windows Server 2012 R2 (KB 4076494) and as part of the January 2018 Preview of the Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7.1 for Windows 8.1 and Windows Server 2012 R2 (KB 4057272).

Important

• All updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require that update 2919355 is installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive updates in the future.
• If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

• 4054999 Description of Security and Quality Rollup for .NET Framework 3.5 SP1 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4054999)
• 4054990 Description of Security and Quality Rollup for .NET Framework 4.5.2 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4054990)
• 4073700 Description of Preview of Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4073700)

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