Release Date: Version: IMPORTANT This update is included in the Cumulative Update that's dated October 11, 2022. Parts of this update were previously released in the Cumulative Update that's dated September 20, 2022. This article describes the
Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2. Security Improvements There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements. Quality and Reliability Improvements For a list of improvements that were released with this update, please see the article links in the Additional Information section of this article. Microsoft is not currently aware of any issues in this update. The following articles contain additional information about this update as it relates to individual product versions. 5017262 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2
(KB5017262) 5017266 Description of the Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10, version 20H2,
Windows 10 Version 21H1, and Windows 10 Version 21H2 (KB5017266) Release Channel Available Next Step Windows Update and Microsoft Update Yes None. This update will be downloaded and installed automatically from Windows Update. Windows Update for Business No None. These changes will be included in the next security update to this channel. For more information about Windows Update for Business go to the Windows Update for Business website. Microsoft Update Catalog Yes To get the standalone package for this update, go to the Microsoft Update Catalog website. Windows Server Update Services (WSUS) Yes This update will automatically sync with WSUS if you configure as follows: Product:Windows 10 Version 21H2 Classification: Updates Help for installing updates: Windows Update FAQ Protect yourself online and at home: Windows Security support Local support according to your country: International Support Need more help?
Release Date: Version: IMPORTANT This update was originally released in the Security and Quality Rollup that’s dated September 20, 2022. This update is included in the Security and Quality Rollup that’s dated October 11, 2022. There is no change to this update with this release on October 11, 2022. If you have previously installed this
update no action is needed. The September 20, 2022 update for Windows 10, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2 includes cumulative reliability improvements in .NET Framework 3.5 and 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the
Prerequisites and
Restart requirement sections. Security Improvements There are no new security improvements in this release. This
update is cumulative and contains all previously released security improvements. Quality and Reliability Improvements WPF1 - Addresses issues arising in TreeView (or ListBox/DataGrid with grouping enabled) when changing the underlying collection(s) while also collapsing or expanding TreeView nodes. Scrolling actions, especially "short" actions like LineUp or MouseWheelUp, can result in poor outcomes: hangs, crashes, unexpected scrolling, gaps in the display, etc. 1Windows Presentation Foundation (WPF) The following articles contain additional information about this update as it relates to individual product versions.
Known issues in this update The September 2022 preview release is listed in Windows Server Update Services Home users of Windows are unlikely to experience this issue. WSUS is commonly utilized by technology administrators to deploy Microsoft product updates in managed environments. Please note: In environments where WSUS is configured to auto-approve updates and also auto-decline superseded content, the .NET Framework September 2022 Security and Quality Rollup Update may subsequently be auto-decline and auto-expired from the client view. If this occurs, see the guidance for reinstating declined updates. Then, run an update synchronization within Microsoft Endpoint Configuration Manager, or update management environments. Environments configured to only take security updates should not reflect these symptoms. Resolution: This issue is now resolved. How to get this updateInstall this update
File information For a list of the files that are provided in this update, download the file information for cumulative update. PrerequisitesTo apply this update, you must have .NET Framework 3.5 or 4.8 installed. Restart requirementYou must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update. How to obtain help and support for this update
Need more help?Does Windows Server 2022 support .NET Framework?NET Framework | Microsoft Learn. This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
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. NET Framework 4.8. 1.. How install NET Framework 3.5 includes .NET 2.0 and 3.0 offline?Search & open Control Panel > click Programs and Features > in the left pane, click "Turn Windows features on or off" > ensure to check the ". NET Framework 3.5 (includes . NET 2.0 and 3.0)" checkbox > click OK. Once done, reboot your PC & install your app.
Is there a new Windows 10 update 2022?The November 2022 security update release, referred to as our "B" release, is now available for Windows 11 and all supported versions of Windows 10. We recommend that you install these updates promptly.
Why is NET Framework 3.5 not installing?Here we show you how to solve this issue. First, you can check if the component is already installed on your device. Go to Control Panel > Programs > Turn Windows features on or off, verify if . NET Framework 3.5 checkbox is selected and then proceed with the software installation.
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