Applies to:

Microsoft .NET Framework 3.5.1

Additional information about this update

For more information about this update as it relates to Windows 7 SP1 and Windows Server 2008 R2 SP1, see the following article in the Microsoft Knowledge Base:

4487021 Security Only updates for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 7 SP1 and Server 2008 R2 SP1 (KB 4487121)

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 4487021 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 4481481 and 4457914.

File information

File hash

File name

SHA1 hash

SHA256 hash

Windows6.1-KB4483483-x86.msu

5A7AA121D517D4B91C9B8C356A0C425D77D8E344

2F75105485DD6E3BC45ACDFB852C7E10E460242D696AA84163F6A41AB5C99A9C

Windows6.1-KB4483483-x64.msu

4B5B9D903814BDEDEC8BE27ABA68E950F1F8A30B

7F4F7E29750953203D92B49C41C1E07789524C9B7950306ED0DA3A62E1F1DC0C

Windows6.1-KB4483483-ia64.msu

F696521F02784C41B0500FE5F2A6B04A3D5EFC80

47B30BAB6B9D8AE5BAF643BAD79AAF67A5FD064274C74EF82C13351454085665


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

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

540,672

20-Dec-2018

14:04

system.dll

2.0.50727.8803

3,207,168

20-Dec-2018

14:04

system.workflow.activities.dll

3.0.4203.8818

1,142,784

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

540,672

20-Dec-2018

14:04

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

14:04

system.workflow.activities.dll

3.0.4203.8818

1,060,864

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,527,808

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

454,656

20-Dec-2018

14:04

system.workflow.activities.dll

3.0.4203.8818

1,142,784

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

540,672

20-Dec-2018

14:04

system.dll

2.0.50727.8803

3,207,168

20-Dec-2018

14:04

system.workflow.activities.dll

3.0.4203.8818

1,142,784

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

540,672

20-Dec-2018

14:04

File attributes for all supported IA64-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

14:04

system.workflow.activities.dll

3.0.4203.8818

1,060,864

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,527,808

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

454,656

20-Dec-2018

14:04

system.workflow.activities.dll

3.0.4203.8818

1,142,784

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

540,672

20-Dec-2018

14:04

system.dll

2.0.50727.8803

3,207,168

20-Dec-2018

14:04

system.workflow.activities.dll

3.0.4203.8818

1,142,784

20-Dec-2018

14:04

system.workflow.componentmodel.dll

3.0.4203.8818

1,634,304

20-Dec-2018

14:04

system.workflow.runtime.dll

3.0.4203.8818

540,672

20-Dec-2018

14:04

Information about protection and security

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