Cumulative Update KB4481031 for .NET Framework 3.5 and 4.7.2 - Jan. 22 Win Update

    Cumulative Update KB4481031 for .NET Framework 3.5 and 4.7.2 - Jan. 22

    Cumulative Update KB4481031 for .NET Framework 3.5 and 4.7.2 - Jan. 22

    For Windows 10 version 1809 and Windows Server 2019
    Category: Win Update
    Last Updated: 04 Feb 2019 at 12:50
    January 22, 2019 - KB4481031 Preview of Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019

    Applies to: .NET Framework


    Improvements and fixes

    This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

    • Addresses a garbage collection issue in JIT-compiled code.
    • Addresses a race condition that affects IIS-hosted Net.tcp WCF services when the portsharing service is restarted, causing the service to become unavailable.
    • Addresses issues related to:
      • Special mode in which the logical call context is not serializable, causing SerializationException when secondary app domains call back to the default domain to collect evidence.
      • Special mode in which the thread is running under an impersonated user token instead of the primary process token, causing COMException when evidence examination triggers urlmon initialization in the system, which in turn fails because it assumes a level of registry access that is not always present when impersonating
    • [ADDED 1/28] Addresses an issue in Windows Forms applications that may not be able to render the application UI and, instead, render a white screen that contains a red "X" symbol.

    Known issues in this update

    [UPDATED 1/23] For 24 hours, this Jan 22, 2019 Cumulative Update for .NET Framework 3.5 and 4.7.2 (KB4481031) was made available broadly on Windows Update as an automatic update. As of January 23, 2019, this update is no longer offered on Windows Update as an automatic update, but rather only to "seekers" who go to Settings > Update & Security > Windows Update, and then select Check for updates, as is expected. This update continues to be available on WSUS and Microsoft Update Catalog.

    How to get this update

    Install this update

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

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


    Source: https://support.microsoft.com/en-us/...2019-kb4481031

    See also: .NET Framework January 22, 2018 Preview of Cumulative Update for Windows 10 version 1809 and Windows Server 2019 | .NET Blog


    Direct download links for KB4481031 MSU file from Microsoft Update Catalog:

    Download KB4481031 MSU for Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 v1809 32-bit (x86) - 30.9 MB

    Download KB4481031 MSU for Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 v1809 64-bit (x64) - 59.3 MB

    Download KB4481031 MSU for Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 64-bit (x64) - 59.3 MB

    Brink's Avatar Posted By:
    22 Jan 2019

  1. Brink's Avatar
    Posts : 42,278
    64-bit Windows 10 Pro for Workstations build 18985
       #1

    Cumulative Update KB4481031 for .NET Framework 3.5 and 4.7.2 - Jan. 22-kb4481031.jpg
      My ComputersSystem Spec

  2. jimbo45's Avatar
    Posts : 7,851
    Windows / Linux : Centos, Ubuntu, OpenSuse
       #2

    Hi there

    @Brink

    These updates were also offered to me in the 1809 general Jan 22 update so I suspect a lot of people won't need to specifically install these manually.

    Cumulative Update KB4481031 for .NET Framework 3.5 and 4.7.2 - Jan. 22-wup.png

    Cheers
    jimbo
      My ComputerSystem Spec

  3. Wiley Coyote's Avatar
    Posts : 1,099
    Windows 10 Home x64 Version 1809 (OS Build 17763.437)
       #3

    jimbo45 said: View Post
    Hi there

    @Brink

    These updates were also offered to me in the 1809 general Jan 22 update so I suspect a lot of people won't need to specifically install these manually.

    Cumulative Update KB4481031 for .NET Framework 3.5 and 4.7.2 - Jan. 22-wup.png

    Cheers
    jimbo
    Same here, KB4181031 came in together with the KB4476976 last evening here too.
      My ComputerSystem Spec

  4. Brink's Avatar
    Posts : 42,278
    64-bit Windows 10 Pro for Workstations build 18985
    Thread Starter
       #4

    New known Issue added to first post for KB4481031.
      My ComputersSystem Spec

  5. Faith's Avatar
    Posts : 1,124
    Windows 10 Home May 2019 Update 64-bit
       #5

    Brink said: View Post
    New known Issue added to first post for KB4481031.
    Any reason for it? Is it broken? I got it yesterday without me doing anything.
      My ComputerSystem Spec

  6. Brink's Avatar
    Posts : 42,278
    64-bit Windows 10 Pro for Workstations build 18985
    Thread Starter
       #6

    Faith said: View Post
    Any reason for it? Is it broken? I got it yesterday without me doing anything.

    No reason was given.

    I'm guessing it was pulled from automatic updates since it's still only a preview.
      My ComputersSystem Spec


  7. IronZorg89's Avatar
    Posts : 1,322
    Windows 10 pro x64-bit
       #7

    @jimbo45,

    I think it's really time to wonder what's going ong at Redmond. More and more, it seems there is a flagrant lack of communication between the different departments. To put it another way with an example: How come KB4481031, a CU for the .NET framework 3.5 and 4.7.2 was released to users like me who is not part of the insider program. This CU is a preview one and should not be part of the last release.

    For reference:

    Microsoft confirms it distributed KB4481031 in error:

    https://www.ghacks.net/2019/01/24/kb...omment-4401658
      My ComputersSystem Spec


 

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