Applies to:

Microsoft .NET Framework 4.5.2

Additional information about this update

For more information about this update as it relates to Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, see the following article in the Microsoft Knowledge Base:

4487121 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)

For more information about this update as it relates to Windows Server 2008 Service Pack 2 (SP2), see the following article in the Microsoft Knowledge Base:

4487124 Security Only updates for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 SP2 (KB 4487124)

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 4487121 for Windows 7 SP1 and Windows Server 2008 R2 SP1 or type 4487124 for Windows Server 2008 SP2 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 the following updates:

  • For Windows 7 SP1 and Server 2008 R2 SP1, this update replaces updates 4481487 and 4457917.

  • For Windows Server 2008 SP2, this update replaces updates 4481481 and 4457914.

File information

File hash

File name

SHA1 hash

SHA256 hash

NDP45-KB4483474-x86.exe

D64F64D8AE28955A5F1BCEC6E4F34795AFDEE5D7

DC5F144AEFEC40CDF39E1222BFEA2D5AC07895E565AE8C7592DD2CBF2FE92A9F

NDP45-KB4483474-x64.exe

A9192B5A94484CB358F4C8B7C9BDCBED614974EA

89BC087A80F34FA6CE30147637D5EDEB96BB8A365EF887F9680C6D0669899157


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

4.0.30319.36520

1,068,288

20-Dec-2018

23:34

System.Workflow.ComponentModel.dll

4.0.30319.36520

1,567,488

20-Dec-2018

23:34

System.Workflow.Runtime.dll

4.0.30319.36520

503,552

20-Dec-2018

23:34

System.dll

4.0.30319.36520

3,490,720

20-Dec-2018

23:33

WorkflowServiceHostPerformanceCounters.dll

4.0.30319.36520

75,520

20-Dec-2018

23:33

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.Workflow.Activities.dll

4.0.30319.36520

1,068,288

20-Dec-2018

23:34

System.Workflow.ComponentModel.dll

4.0.30319.36520

1,567,488

20-Dec-2018

23:34

System.Workflow.Runtime.dll

4.0.30319.36520

503,552

20-Dec-2018

23:34

System.dll

4.0.30319.36520

3,490,720

20-Dec-2018

23:33

WorkflowServiceHostPerformanceCounters.dll

4.0.30319.36520

84,528

20-Dec-2018

23:48

WorkflowServiceHostPerformanceCounters.dll

4.0.30319.36520

75,520

20-Dec-2018

23:33

Information about protection and security

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