Applies to:

Microsoft .NET Framework 3.5

Additional information about this update

For more information about this update as it relates to Windows 8.1 and Windows Server 2012 R2, see the following article in the Microsoft Knowledge Base:

4487123 Security Only updates for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 8.1 and Server 2012 R2 (KB 4487123)

How to obtain and install the update

Method 1: Microsoft Update Catalog

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

Method 2: Windows Software Update Services (WSUS)

On your WSUS server, follow these steps:

  1. Select Start, select Administrative Tools, and then select Microsoft Windows Server Update Services 3.0.

  2. Expand ComputerName, and then select Action.

  3. Select Import Updates.

  4. WSUS opens a browser window in which you may be prompted to install an ActiveX control. You must install the ActiveX control to continue.

  5. After the ActiveX control is installed, you see the Microsoft Update Catalog screen. Type 4487123 in the Search box, and then select Search.

  6. Locate the .NET Framework packages that match the operating systems, languages, and processors in your environment. Select Add to add them to your basket.

  7. After you select all the packages that you require, select View Basket.

  8. To import the packages to your WSUS server, select Import.

  9. After the packages are imported, select Close to return to WSUS.

The updates are now available for installation through WSUS.

Update deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

20190212 Security update deployment information: February 12, 2019

Update removal information

Note We do not recommend that you remove any security update. To remove this update, use the Programs and Features item in Control Panel.

Update restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

Update replacement information

This update replaces updates 4481485 and 4457916.

File information

File hash

File name

SHA1 hash

SHA256 hash

Windows8.1-KB4483484-x86.msu

DEF3F76A782382630D39B282BA66F2531BC2F873

7CD532FDDF1CA8D4B198A7EC73E42B4A0CB3631201CAFF54C48780ADD01AC2A5

Windows8.1-KB4483484-x64.msu

E9A7BCBC9F7011E45A8461A3EEE353F3D8FD4C0D

0E4EFBD4D0F9429D557FE04A95A7F18A9FB277046D3494C59E1AAE2A88CBDC0E

File attributes for all supported x86-based systems

The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

File name

File version

File size

Date

Time

system.workflow.activities.dll

3.0.4203.8818

1,142,784

23-Dec-2018

14:11

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

23-Dec-2018

14:11

system.workflow.runtime.dll

3.0.4203.8818

540,672

23-Dec-2018

14:11

system.dll

2.0.50727.8803

3,207,168

23-Dec-2018

14:10

system.workflow.activities.dll

3.0.4203.8818

1,142,784

23-Dec-2018

14:11

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

23-Dec-2018

14:11

system.workflow.runtime.dll

3.0.4203.8818

540,672

23-Dec-2018

14:11

File attributes for all supported x64-based systems

The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

File name

File version

File size

Date

Time

system.dll

2.0.50727.8803

3,207,168

20-Dec-2018

18:26

system.workflow.activities.dll

3.0.4203.8818

1,060,864

20-Dec-2018

18:27

system.workflow.componentmodel.dll

3.0.4203.8818

1,527,808

20-Dec-2018

18:27

system.workflow.runtime.dll

3.0.4203.8818

454,656

20-Dec-2018

18:27

system.workflow.activities.dll

3.0.4203.8818

1,142,784

23-Dec-2018

14:11

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

23-Dec-2018

14:11

system.workflow.runtime.dll

3.0.4203.8818

540,672

23-Dec-2018

14:11

system.dll

2.0.50727.8803

3,207,168

23-Dec-2018

14:10

system.workflow.activities.dll

3.0.4203.8818

1,142,784

23-Dec-2018

14:11

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

23-Dec-2018

14:11

system.workflow.runtime.dll

3.0.4203.8818

540,672

23-Dec-2018

14:11

Information about protection and security

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