Notice
This update is included in the 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). 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, 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, 4.7.1 for Windows 8.1 and Windows Server 2012 R2 (KB 4057272).
Summary
This article lists the Quality Rollups for .NET Framework 3.5 Service Pack 1 (SP1), 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1 for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2.
Important
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All updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require that update KB 2919355 is installed. We recommend that you install update KB 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.
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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.
Additional information about this update
The following articles contain additional information about this update as it relates to individual product versions. The articles may contain known-issue information.
Note Some individual product version patches were previously released on Security and Quality Rollup for the .NET Framework 3.5 SP1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1 updates for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 (KB 4055266) on January 9, 2018.
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4054999 Description of the Security and Quality Rollup for the .NET Framework 3.5 SP1 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4054999)
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4054990 Description of Preview of Quality Rollup for .NET Framework 4.5.2 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4054990)
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4054980 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 4054980)
How to obtain help and support for this update
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Help for installing updates: Windows Update FAQ
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Help for protecting your Windows-based products and services from viruses and malware: Microsoft Secure
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Local support according to your country: International Support
