About this update

This article describes an update that contains some improvements to Windows Update Client in Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1. This update is incompatible with Windows Server Update Services (WSUS) servers without the hardening update 2938066.

How to get this update

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is available on Windows Update. For more information about how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center.

Operating system

Update

All supported x86-based versions of Windows 7

Download Download the package now.

All supported x64-based versions of Windows 7

Download Download the package now.

All supported x64-based versions of Windows Server 2008 R2

Download Download the package now.

All supported IA-64-based versions of Windows Server 2008 R2

Download Download the package now.

All supported x86-based versions of Windows Embedded Standard 7

Download Download the package now.

All supported x64-based versions of Windows Embedded Standard 7

Download Download the package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Update detail information

Prerequisites

To apply this update, you must install Service Pack 1 for Windows 7 or Windows Server 2008 R2.

Registry information

To install this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update replaces the August 2015 Windows Update Client update (3075851).

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.

Windows 7 and Windows Server 2008 R2 file information and notes

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.1.760 1.18xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for Windows 7 and Windows Server 2008 R2 aren't listed.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Wu.upgrade.ps.dll

7.6.7601.18979

11,776

26-Aug-2015

17:55

x86

Wuapi.dll

7.6.7601.18979

566,784

26-Aug-2015

17:56

x86

Wudriver.dll

7.6.7601.18979

93,184

26-Aug-2015

17:56

x86

Wups.dll

7.6.7601.18979

30,208

26-Aug-2015

17:56

x86

Windowsupdate.adml

Not applicable

41,480

26-Aug-2015

18:01

Not applicable

Windowsupdate.adml

Not applicable

32,153

26-Aug-2015

18:09

Not applicable

Windowsupdate.adml

Not applicable

31,358

26-Aug-2015

18:09

Not applicable

Windowsupdate.adml

Not applicable

33,297

26-Aug-2015

18:09

Not applicable

Windowsupdate.adml

Not applicable

57,068

26-Aug-2015

18:02

Not applicable

Windowsupdate.adml

Not applicable

28,868

26-Aug-2015

17:43

Not applicable

Windowsupdate.adml

Not applicable

33,603

26-Aug-2015

18:06

Not applicable

Windowsupdate.adml

Not applicable

32,404

26-Aug-2015

18:05

Not applicable

Windowsupdate.adml

Not applicable

35,814

26-Aug-2015

18:01

Not applicable

Windowsupdate.adml

Not applicable

38,779

26-Aug-2015

18:01

Not applicable

Windowsupdate.adml

Not applicable

35,181

26-Aug-2015

18:09

Not applicable

Windowsupdate.adml

Not applicable

33,606

26-Aug-2015

18:06

Not applicable

Windowsupdate.adml

Not applicable

37,426

26-Aug-2015

18:05

Not applicable

Windowsupdate.adml

Not applicable

33,599

26-Aug-2015

18:08

Not applicable

Windowsupdate.adml

Not applicable

30,314

26-Aug-2015

18:05

Not applicable

Windowsupdate.adml

Not applicable

31,639

26-Aug-2015

18:06

Not applicable

Windowsupdate.adml

Not applicable

34,275

26-Aug-2015

18:01

Not applicable

Windowsupdate.adml

Not applicable

33,574

26-Aug-2015

18:11

Not applicable

Windowsupdate.adml

Not applicable

34,286

26-Aug-2015

18:05

Not applicable

Windowsupdate.adml

Not applicable

51,979

26-Aug-2015

18:00

Not applicable

Windowsupdate.adml

Not applicable

30,390

26-Aug-2015

18:05

Not applicable

Windowsupdate.adml

Not applicable

33,002

26-Aug-2015

18:06

Not applicable

Windowsupdate.adml

Not applicable

25,741

26-Aug-2015

18:09

Not applicable

Windowsupdate.adml

Not applicable

26,023

26-Aug-2015

18:07

Not applicable

Windowsupdate.adml

Not applicable

26,023

26-Aug-2015

18:10

Not applicable

Wuapp.exe

7.6.7601.18979

34,816

26-Aug-2015

17:55

x86

Wuwebv.dll

7.6.7601.18979

173,056

26-Aug-2015

17:56

x86

Wuauclt.exe

7.6.7601.18979

135,680

26-Aug-2015

17:55

x86

Wuaueng.dll

7.6.7601.18979

2,061,824

26-Aug-2015

17:56

x86

Wups2.dll

7.6.7601.18979

35,840

26-Aug-2015

17:56

x86

Windowsupdate.admx

Not applicable

20,572

03-Jun-2015

20:23

Not applicable

Wucltux.dll

7.6.7601.18979

2,953,728

26-Aug-2015

17:56

x86

Winsetupui.dll

6.1.7601.18979

73,728

26-Aug-2015

17:55

x86

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Wu.upgrade.ps.dll

7.6.7601.18979

12,288

26-Aug-2015

18:06

x64

Wuapi.dll

7.6.7601.18979

696,320

26-Aug-2015

18:07

x64

Wudriver.dll

7.6.7601.18979

98,304

26-Aug-2015

18:07

x64

Wups.dll

7.6.7601.18979

36,864

26-Aug-2015

18:07

x64

Windowsupdate.adml

Not applicable

41,480

26-Aug-2015

19:23

Not applicable

Windowsupdate.adml

Not applicable

32,153

26-Aug-2015

19:15

Not applicable

Windowsupdate.adml

Not applicable

31,358

26-Aug-2015

19:20

Not applicable

Windowsupdate.adml

Not applicable

33,297

26-Aug-2015

19:19

Not applicable

Windowsupdate.adml

Not applicable

57,068

26-Aug-2015

19:23

Not applicable

Windowsupdate.adml

Not applicable

28,868

26-Aug-2015

17:57

Not applicable

Windowsupdate.adml

Not applicable

33,603

26-Aug-2015

19:20

Not applicable

Windowsupdate.adml

Not applicable

32,404

26-Aug-2015

19:20

Not applicable

Windowsupdate.adml

Not applicable

35,814

26-Aug-2015

19:18

Not applicable

Windowsupdate.adml

Not applicable

38,779

26-Aug-2015

19:24

Not applicable

Windowsupdate.adml

Not applicable

35,181

26-Aug-2015

19:21

Not applicable

Windowsupdate.adml

Not applicable

33,606

26-Aug-2015

19:20

Not applicable

Windowsupdate.adml

Not applicable

37,426

26-Aug-2015

19:18

Not applicable

Windowsupdate.adml

Not applicable

33,599

26-Aug-2015

19:13

Not applicable

Windowsupdate.adml

Not applicable

30,314

26-Aug-2015

19:25

Not applicable

Windowsupdate.adml

Not applicable

31,639

26-Aug-2015

19:16

Not applicable

Windowsupdate.adml

Not applicable

34,275

26-Aug-2015

19:26

Not applicable

Windowsupdate.adml

Not applicable

33,574

26-Aug-2015

19:15

Not applicable

Windowsupdate.adml

Not applicable

34,286

26-Aug-2015

19:15

Not applicable

Windowsupdate.adml

Not applicable

51,979

26-Aug-2015

19:15

Not applicable

Windowsupdate.adml

Not applicable

30,390

26-Aug-2015

19:25

Not applicable

Windowsupdate.adml

Not applicable

33,002

26-Aug-2015

19:16

Not applicable

Windowsupdate.adml

Not applicable

25,741

26-Aug-2015

19:17

Not applicable

Windowsupdate.adml

Not applicable

26,023

26-Aug-2015

19:20

Not applicable

Windowsupdate.adml

Not applicable

26,023

26-Aug-2015

19:13

Not applicable

Wuapp.exe

7.6.7601.18979

37,376

26-Aug-2015

18:06

x64

Wuwebv.dll

7.6.7601.18979

192,000

26-Aug-2015

18:07

x64

Wuauclt.exe

7.6.7601.18979

139,776

26-Aug-2015

18:06

x64

Wuaueng.dll

7.6.7601.18979

2,606,080

26-Aug-2015

18:07

x64

Wups2.dll

7.6.7601.18979

37,888

26-Aug-2015

18:07

x64

Windowsupdate.admx

Not applicable

20,572

03-Jun-2015

20:23

Not applicable

Wucltux.dll

7.6.7601.18979

3,165,696

26-Aug-2015

18:07

x64

Winsetupui.dll

6.1.7601.18979

91,136

26-Aug-2015

18:06

x64

Wuapi.dll

7.6.7601.18979

566,784

26-Aug-2015

17:56

x86

Wudriver.dll

7.6.7601.18979

93,184

26-Aug-2015

17:56

x86

Wups.dll

7.6.7601.18979

30,208

26-Aug-2015

17:56

x86

Wuapp.exe

7.6.7601.18979

34,816

26-Aug-2015

17:55

x86

Wuwebv.dll

7.6.7601.18979

173,056

26-Aug-2015

17:56

x86

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Wu.upgrade.ps.dll

7.6.7601.18979

29,696

26-Aug-2015

17:47

IA-64

Wuapi.dll

7.6.7601.18979

1,208,320

26-Aug-2015

17:47

IA-64

Wudriver.dll

7.6.7601.18979

192,000

26-Aug-2015

17:47

IA-64

Wups.dll

7.6.7601.18979

55,808

26-Aug-2015

17:47

IA-64

Windowsupdate.adml

Not applicable

33,297

26-Aug-2015

19:07

Not applicable

Windowsupdate.adml

Not applicable

28,868

26-Aug-2015

17:36

Not applicable

Windowsupdate.adml

Not applicable

35,814

26-Aug-2015

19:02

Not applicable

Windowsupdate.adml

Not applicable

37,426

26-Aug-2015

19:03

Not applicable

Windowsupdate.adml

Not applicable

33,599

26-Aug-2015

19:07

Not applicable

Windowsupdate.adml

Not applicable

25,741

26-Aug-2015

19:04

Not applicable

Windowsupdate.adml

Not applicable

26,023

26-Aug-2015

19:03

Not applicable

Wuapp.exe

7.6.7601.18979

75,776

26-Aug-2015

17:47

IA-64

Wuwebv.dll

7.6.7601.18979

353,280

26-Aug-2015

17:47

IA-64

Wuauclt.exe

7.6.7601.18979

193,024

26-Aug-2015

17:47

IA-64

Wuaueng.dll

7.6.7601.18979

4,661,760

26-Aug-2015

17:47

IA-64

Wups2.dll

7.6.7601.18979

58,368

26-Aug-2015

17:47

IA-64

Windowsupdate.admx

Not applicable

20,572

03-Jun-2015

20:21

Not applicable

Wucltux.dll

7.6.7601.18979

4,207,104

26-Aug-2015

17:47

IA-64

Wuapi.dll

7.6.7601.18979

566,784

26-Aug-2015

17:56

x86

Wudriver.dll

7.6.7601.18979

93,184

26-Aug-2015

17:56

x86

Wups.dll

7.6.7601.18979

30,208

26-Aug-2015

17:56

x86

Wuapp.exe

7.6.7601.18979

34,816

26-Aug-2015

17:55

x86

Wuwebv.dll

7.6.7601.18979

173,056

26-Aug-2015

17:56

x86

References

Learn the terminology that Microsoft uses to describe software updates.

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