Cumulative Update KB4522738 .NET Framework 3.5, 4.8 Windows 10 Sept.26 Win Update

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    Cumulative Update KB4522738 .NET Framework 3.5, 4.8 Windows 10 Sept.26

    Cumulative Update KB4522738 .NET Framework 3.5, 4.8 Windows 10 Sept.26

    For Windows 10 version 1903 and KB4515871
    Category: Win Update
    Last Updated: 26 Sep 2019 at 12:53

    September 26, 2019 - KB4522738 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 version 1903 and Windows Server 1903 RTM

    Applies to: .NET Framework
    Version: .NET Framework 3.5 and 4.8

    Summary

    This article describes the September 26, 2019 update for Microsoft .NET Framework 3.5 and 4.8 for Windows 10, version 1903 and Windows Server 1903 RTM.

    Additional information about this update

    The following articles contain additional information about this update as it relates to individual product versions.

    • 4515871 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1903 and Windows 10, version 1909 (KB4515871)

    Quality and reliability improvements

    BCL1
    • Addresses an issue that affects thread contention that occurs in BinaryFormatter.GetTypeInformation by using ConcurrentDictionary to handle multi-thread access.
    WPF2
    • Addresses an issue that affects a WPF ComboBox (or any Selector) within a DataGrid cell that can try to change its selection properties (SelectedIndex, SelectedItem, SelectedValue) when the cell's data item is re-virtualized or removed from the underlying collection. This can occur if the Selector's ItemSource property is data bound through the cell's DataContext setting. Depending on the virtualization mode and the bindings that are declared for the selection properties, the symptoms can include unexpected changes (to null) of the data item's properties, and unexpected displays (as null) of other data items that re-use the UI that was previously attached to the revirtualized item.
    • Addresses an issue in which a WPF TextBox or RichTextBox element that has spell checking enabled crashes and returns an "ExecutionEngineException" error in some situations, including inserting text near a hyperlink.
    • Addresses an issue that affects Per-Monitor Aware WPF applications that host System-Aware or Unaware child windows and that run on .NET Framework 4.8. This .NET version occasionally crashes and returns a "System.Collections.Generic.KeyNotFoundException" exception.
    CLR3
    • Addresses an issue that might cause handle leaks to occur in scenarios that repeatedly load and unload Mscoree.dll.
    • Addresses rare cases that incorrectly cause process termination instead of delivering the expected NullReferenceException result.

    1 Base Class Library (BCL)
    2 Windows Presentation Foundation (WPF)
    3 Common Language Runtime (CLR)

    How to obtain and install the update

    Install this update

    To download and install this update, go to Settings > Update & Security > Windows Update, and then select Check for updates.

    This update will be downloaded and installed automatically from Windows Update.

    To get the standalone package for this update, go to the Microsoft Update Catalog website.

    File information

    For a list of the files that are provided in this update, download the file information for cumulative update.

    Prerequisites

    To apply this update, you must have .NET Framework 3.5 or 4.8 installed.

    Restart requirement

    You 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.

    Update replacement information

    This update replaces previously released update 4511555 for Windows 10, version 1903.


    Source: https://support.microsoft.com/en-us/...-net-framework

    See also: https://support.microsoft.com/en-us/...-net-framework


    Direct download links for KB4522738 MSU file from Microsoft Update Catalog:

    Download KB4522738 MSU for Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 v1903 32-bit (x86) - 34.8 MB

    Download KB4522738 MSU for Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 v1903 64-bit (x64) - 62.1 MB
    Brink's Avatar Posted By: Brink
    26 Sep 2019


  1. Posts : 348
    Win 10 PRO 64 Bit
       #1

    Just finished installing, and everything ok so far.

    Thanks Brink
      My Computer


  2. Posts : 61,919
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #2

    Cumulative Update KB4522738 .NET Framework 3.5, 4.8 Windows 10 Sept.26-kb4522738.jpg
      My Computers


  3. Posts : 1,581
    Windows 10 HOME 64-BIT
       #3

    No restart, always good! :) Matter of seconds installed.

    - - - Updated - - -

      My Computer


  4. Posts : 2,557
    Windows 10 pro x64-bit
       #4

    Getting it right now. Thanks @Brink.

    - - - Updated - - -

    Mine asks for a restart.
      My Computers


  5. Posts : 568
    Windows 11 Pro
       #5

    WU getting it now for me.

    Edit: It said to restart so I pushed to restart button and it only logged me off and once back up it said I needed to restart so I manually restarted it and then I can't log onto EA battlelog.
    Last edited by HRPuffnstuff; 26 Sep 2019 at 14:14.
      My Computers


  6. Posts : 504
    Win10 20236.1000 64bit Pro and Win7 SP1 Ultimate
       #6

    Just installed KB4522738. The KB did request a reboot but it did not change the build number.


    WEK
      My Computers


  7. Posts : 2,557
    Windows 10 pro x64-bit
       #7

    WEKJR said:
    Just installed KB4522738. The KB did request a reboot but it did not change the build number.


    WEK
    It is just a .NET Framework Update and not a CU (specifically a "B" release aka Patch Tuesday) or FU. The latter would definitely change your build number, but not the former.
      My Computers


  8. Posts : 12,486
    Win10 Version 21H2 Pro and Home, Win11 Pro
       #8

    I installed it this evening from link given and did get the restart.

    According to the last sentence in the first post of
    Update replacement information
    This update replaces previously released update 4511555 for Windows 10, version 1903.
    it did not actually replace KB4511555, still listed as installed on 8/30/2019 in Update history.
      My Computers


  9. Posts : 29,076
    Windows 10 21H1 Build 19043.1023
       #9

    Fastest CU in awhile. It asked for a restart, I complied and it said working, then start screen showed up.
      My Computer


 

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