Applies ToWindows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate Windows HPC Server 2008 R2 Windows Server 2008 R2 Datacenter Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Foundation Windows Server 2008 R2 Standard Windows Server 2008 R2 Web Edition

If this article does not answer your question, click this button to pose your question to other community members at Microsoft Answers:

Ask a question

Summary

This update improves the stability and the reliability of Windows 7 and of Windows Server 2008 R2. The update was released in April 2010.

Information for advanced users and for IT professionals

This update resolves issues that affect some computers that are running Windows 7 or that are running Windows Server 2008 R2. These issues are reported by customers who use the Error Reporting service or who use Microsoft Customer Support Services.

Issues that this update fixes

This update improves the stability and the reliability of Windows 7 and of Windows Server 2008 R2 in various scenarios. This update resolves the following issues:

  • Windows Explorer crashes and then restarts when you access a third-party Control Panel item.

  • You cannot connect to an instance of SQL Server Analysis Services from an application in Windows 7 or in Windows Server 2008 R2 after you install Office Live Add-in 1.4 or Windows Live ID Sign-in Assistant 6.5.

  • Windows Explorer may stop responding for 30 seconds when a file or a directory is created or renamed after certain applications are installed.

  • The Welcome screen may be displayed for 30 seconds when you try to log on to a computer if you set the desktop background to a solid color.

  • You are not warned when you delete more than 1000 files at the same time. Then, the files are deleted permanently and are not moved to the Recycle Bin.

How to obtain this update

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 update package now.

All supported x64-based versions of Windows 7

Download Download the update package now.

All supported x64-based versions of Windows Server 2008 R2

Download Download the update package now.

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

Download Download the update package now.

To install the correct version of this update, you must know whether you are running the 32-bit or 64-bit version of Windows 7 or the 64-bit version of Windows Server 2008 R2. If you are not sure which version of Windows you are running, or not sure whether it is a 32-bit or a 64-bit version, see the "How to determine whether you are running a 32-bit or 64-bit version of Windows 7" section.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 servicesMicrosoft 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.

How to determine whether you are running a 32-bit or 64-bit version of Windows 7 or a 64-bit version of Windows Server 2008 R2

To determine the version of Windows that you are running, follow these steps:

  1. Click Start Start Button , right-click Computer, and then click Properties.

  2. A window appears where you can view basic information about your computer. In the System type information under the System section, you can see whether a 32-bit or a 64-bit version of Windows 7 is listed or whether a 64-bit version of Windows Server 2008 R2 is listed.

More Information

Prerequisites

To apply this update, you must be running Windows 7 or Windows Server 2008 R2 on the computer.

Restart requirement

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

Update replacement information

This update replaces the following updates:

978433 Windows Explorer crashes and then restarts when you access a third-party Control Panel item on a computer that is running Windows 7 or Windows Server 2008 R2

976419 You cannot connect to an instance of SQL Server Analysis Services from an application in Windows 7 or in Windows Server 2008 R2 after you install Office Live Add-in 1.4 or Windows Live ID Sign-in Assistant 6.5

977346 The Welcome screen may be displayed for 30 seconds during the logon process after you set a solid color as the desktop background in Windows 7 or in Windows Server 2008 R2

979158 When you delete more than 1000 files at the same time, the files do not go into the Recycle Bin

File information

The global version of this hotfix 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 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 0.16xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    GDR

    6.1.760 0.20xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Cng.sys

6.1.7600.16385

369,568

14-Jul-2009

01:17

x86

Ksecdd.sys

6.1.7600.16385

67,664

14-Jul-2009

01:20

x86

Ksecpkg.sys

6.1.7600.16484

133,720

11-Dec-2009

07:44

x86

Lsasrv.dll

6.1.7600.16484

1,037,312

11-Dec-2009

07:38

x86

Lsasrv.mof

Not applicable

13,780

10-Jun-2009

21:33

Not applicable

Lsass.exe

6.1.7600.16385

22,528

14-Jul-2009

01:14

x86

Secur32.dll

6.1.7600.16385

22,016

14-Jul-2009

01:16

x86

Sspicli.dll

6.1.7600.16385

99,840

14-Jul-2009

01:16

x86

Sspisrv.dll

6.1.7600.16385

15,360

14-Jul-2009

01:16

x86

Cng.sys

6.1.7600.16385

369,568

14-Jul-2009

01:17

x86

Ksecdd.sys

6.1.7600.16385

67,664

14-Jul-2009

01:20

x86

Ksecpkg.sys

6.1.7600.20594

133,720

11-Dec-2009

07:25

x86

Lsasrv.dll

6.1.7600.20594

1,037,312

11-Dec-2009

07:19

x86

Lsasrv.mof

Not applicable

13,780

10-Jun-2009

21:33

Not applicable

Lsass.exe

6.1.7600.16385

22,528

14-Jul-2009

01:14

x86

Secur32.dll

6.1.7600.16385

22,016

14-Jul-2009

01:16

x86

Sspicli.dll

6.1.7600.16385

99,840

14-Jul-2009

01:16

x86

Sspisrv.dll

6.1.7600.16385

15,360

14-Jul-2009

01:16

x86

Shell32.dll

6.1.7600.16532

12,867,072

18-Feb-2010

07:34

x86

Shell32.dll

6.1.7600.20647

12,868,096

18-Feb-2010

07:32

x86

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

File name

File version

File size

Date

Time

Platform

Cng.sys

6.1.7600.16385

460,504

14-Jul-2009

01:43

x64

Ksecdd.sys

6.1.7600.16385

95,312

14-Jul-2009

01:48

x64

Ksecpkg.sys

6.1.7600.16484

153,160

11-Dec-2009

10:29

x64

Lsasrv.dll

6.1.7600.16484

1,446,912

11-Dec-2009

09:24

x64

Lsasrv.mof

Not applicable

13,780

10-Jun-2009

20:52

Not applicable

Lsass.exe

6.1.7600.16385

31,232

14-Jul-2009

01:39

x64

Secur32.dll

6.1.7600.16385

28,160

14-Jul-2009

01:41

x64

Sspicli.dll

6.1.7600.16385

136,192

14-Jul-2009

01:41

x64

Sspisrv.dll

6.1.7600.16385

28,672

14-Jul-2009

01:41

x64

Cng.sys

6.1.7600.16385

460,504

14-Jul-2009

01:43

x64

Ksecdd.sys

6.1.7600.16385

95,312

14-Jul-2009

01:48

x64

Ksecpkg.sys

6.1.7600.20594

153,176

11-Dec-2009

10:38

x64

Lsasrv.dll

6.1.7600.20594

1,446,912

11-Dec-2009

09:32

x64

Lsasrv.mof

Not applicable

13,780

10-Jun-2009

20:52

Not applicable

Lsass.exe

6.1.7600.16385

31,232

14-Jul-2009

01:39

x64

Secur32.dll

6.1.7600.16385

28,160

14-Jul-2009

01:41

x64

Sspicli.dll

6.1.7600.16385

136,192

14-Jul-2009

01:41

x64

Sspisrv.dll

6.1.7600.16385

28,672

14-Jul-2009

01:41

x64

Shell32.dll

6.1.7600.16532

14,163,456

18-Feb-2010

08:07

x64

Shell32.dll

6.1.7600.20647

14,166,528

18-Feb-2010

08:11

x64

Lsasrv.mof

Not applicable

13,780

22-Jul-2009

23:12

Not applicable

Secur32.dll

6.1.7600.16484

22,016

11-Dec-2009

07:39

x86

Sspicli.dll

6.1.7600.16484

96,768

11-Dec-2009

07:36

x86

Lsasrv.mof

Not applicable

13,780

22-Jul-2009

23:19

Not applicable

Secur32.dll

6.1.7600.20594

22,016

11-Dec-2009

07:20

x86

Sspicli.dll

6.1.7600.20594

96,768

11-Dec-2009

07:18

x86

Shell32.dll

6.1.7600.16532

12,867,072

18-Feb-2010

07:34

x86

Shell32.dll

6.1.7600.20647

12,868,096

18-Feb-2010

07:32

x86

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

File name

File version

File size

Date

Time

Platform

Cng.sys

6.1.7600.16385

787,736

14-Jul-2009

01:52

IA-64

Ksecdd.sys

6.1.7600.16385

179,264

14-Jul-2009

01:58

IA-64

Ksecpkg.sys

6.1.7600.16484

307,272

11-Dec-2009

06:51

IA-64

Lsasrv.dll

6.1.7600.16484

2,654,720

11-Dec-2009

06:41

IA-64

Lsasrv.mof

Not applicable

13,780

10-Jun-2009

20:57

Not applicable

Lsass.exe

6.1.7600.16385

56,320

14-Jul-2009

01:44

IA-64

Secur32.dll

6.1.7600.16385

48,640

14-Jul-2009

01:48

IA-64

Sspicli.dll

6.1.7600.16385

275,456

14-Jul-2009

01:49

IA-64

Sspisrv.dll

6.1.7600.16385

45,056

14-Jul-2009

01:49

IA-64

Cng.sys

6.1.7600.16385

787,736

14-Jul-2009

01:52

IA-64

Ksecdd.sys

6.1.7600.16385

179,264

14-Jul-2009

01:58

IA-64

Ksecpkg.sys

6.1.7600.20594

307,272

11-Dec-2009

06:50

IA-64

Lsasrv.dll

6.1.7600.20594

2,654,720

11-Dec-2009

06:39

IA-64

Lsasrv.mof

Not applicable

13,780

10-Jun-2009

20:57

Not applicable

Lsass.exe

6.1.7600.16385

56,320

14-Jul-2009

01:44

IA-64

Secur32.dll

6.1.7600.16385

48,640

14-Jul-2009

01:48

IA-64

Sspicli.dll

6.1.7600.16385

275,456

14-Jul-2009

01:49

IA-64

Sspisrv.dll

6.1.7600.16385

45,056

14-Jul-2009

01:49

IA-64

Shell32.dll

6.1.7600.16532

21,169,664

18-Feb-2010

06:30

IA-64

Shell32.dll

6.1.7600.20647

21,174,784

18-Feb-2010

06:30

IA-64

Lsasrv.mof

Not applicable

13,780

22-Jul-2009

23:12

Not applicable

Secur32.dll

6.1.7600.16484

22,016

11-Dec-2009

07:39

x86

Sspicli.dll

6.1.7600.16484

96,768

11-Dec-2009

07:36

x86

Lsasrv.mof

Not applicable

13,780

22-Jul-2009

23:19

Not applicable

Secur32.dll

6.1.7600.20594

22,016

11-Dec-2009

07:20

x86

Sspicli.dll

6.1.7600.20594

96,768

11-Dec-2009

07:18

x86

Shell32.dll

6.1.7600.16532

12,867,072

18-Feb-2010

07:34

x86

Shell32.dll

6.1.7600.20647

12,868,096

18-Feb-2010

07:32

x86

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

Update.mum

File version

Not applicable

File size

1,675

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

X86_09ed680092399b07d30b0c6ad4a2d119_31bf3856ad364e35_6.1.7600.16532_none_e947631aeacf6adc.manifest

File version

Not applicable

File size

695

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

X86_60fee4eda28e573730a008eb785dd64d_31bf3856ad364e35_6.1.7600.20647_none_56caf440f7c0fb26.manifest

File version

Not applicable

File size

695

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

X86_af8e7b53dc92d6acf98823872bdc1cee_31bf3856ad364e35_6.1.7600.20594_none_8e92da14c56ec132.manifest

File version

Not applicable

File size

691

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

X86_bc22f690eec93c26345ace7ba084beff_31bf3856ad364e35_6.1.7600.16484_none_ba37107fce37f790.manifest

File version

Not applicable

File size

691

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

X86_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.16484_none_a61fe281be1fb177.manifest

File version

Not applicable

File size

103,660

Date (UTC)

11-Dec-2009

Time (UTC)

21:56

Platform

Not applicable

File name

X86_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20594_none_a69eaf60d7456d32.manifest

File version

Not applicable

File size

103,660

Date (UTC)

11-Dec-2009

Time (UTC)

21:56

Platform

Not applicable

File name

X86_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.16532_none_6c32938b7329a5c4.manifest

File version

Not applicable

File size

1,059,457

Date (UTC)

18-Feb-2010

Time (UTC)

07:58

Platform

Not applicable

File name

X86_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20647_none_6cb661dc8c4ae032.manifest

File version

Not applicable

File size

1,059,457

Date (UTC)

18-Feb-2010

Time (UTC)

07:57

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_25fa4ed2305a44473e8628e1686e8078_31bf3856ad364e35_6.1.7600.16484_none_0f3adcada67ad98f.manifest

File version

Not applicable

File size

1,032

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_62882e21e6ee1811e5cf3de101668d1b_31bf3856ad364e35_6.1.7600.16484_none_09c8cb8eeed5e3ec.manifest

File version

Not applicable

File size

695

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_64947f07a30e1189958eaf756820ac36_31bf3856ad364e35_6.1.7600.20594_none_5023027ea5a9746b.manifest

File version

Not applicable

File size

695

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_671cc24d60236c6b10d2aface263fc40_31bf3856ad364e35_6.1.7600.20647_none_8b70cb94174ae4c7.manifest

File version

Not applicable

File size

699

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_7863fa506fd8ca8757e57e05ecdd2340_31bf3856ad364e35_6.1.7600.20647_none_3946e280781982bd.manifest

File version

Not applicable

File size

1,040

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_965122e868db57dbefddca3750299deb_31bf3856ad364e35_6.1.7600.16532_none_c081b695f15a6937.manifest

File version

Not applicable

File size

699

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_d6e09fc7e18b87f66043d4da7b225de8_31bf3856ad364e35_6.1.7600.20594_none_ec02e693b6a1e07d.manifest

File version

Not applicable

File size

1,032

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_ef43861473844148d95ac27a93e723aa_31bf3856ad364e35_6.1.7600.16532_none_2b0d056da7cb3685.manifest

File version

Not applicable

File size

1,040

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.16484_none_023e7e05767d22ad.manifest

File version

Not applicable

File size

103,664

Date (UTC)

11-Dec-2009

Time (UTC)

21:58

Platform

Not applicable

File name

Amd64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20594_none_02bd4ae48fa2de68.manifest

File version

Not applicable

File size

103,664

Date (UTC)

11-Dec-2009

Time (UTC)

21:58

Platform

Not applicable

File name

Amd64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.16532_none_c8512f0f2b8716fa.manifest

File version

Not applicable

File size

1,058,443

Date (UTC)

18-Feb-2010

Time (UTC)

09:03

Platform

Not applicable

File name

Amd64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20647_none_c8d4fd6044a85168.manifest

File version

Not applicable

File size

1,058,443

Date (UTC)

18-Feb-2010

Time (UTC)

09:03

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,907

Date (UTC)

09-Mar-2010

Time (UTC)

05:42

Platform

Not applicable

File name

Wow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.16484_none_0c932857aadde4a8.manifest

File version

Not applicable

File size

86,382

Date (UTC)

11-Dec-2009

Time (UTC)

07:55

Platform

Not applicable

File name

Wow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20594_none_0d11f536c403a063.manifest

File version

Not applicable

File size

86,382

Date (UTC)

11-Dec-2009

Time (UTC)

07:36

Platform

Not applicable

File name

Wow64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.16532_none_d2a5d9615fe7d8f5.manifest

File version

Not applicable

File size

1,054,916

Date (UTC)

18-Feb-2010

Time (UTC)

07:53

Platform

Not applicable

File name

Wow64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20647_none_d329a7b279091363.manifest

File version

Not applicable

File size

1,054,916

Date (UTC)

18-Feb-2010

Time (UTC)

07:52

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_0dff42df667e0336023bf4f1b1164cd5_31bf3856ad364e35_6.1.7600.16484_none_024f184915513810.manifest

File version

Not applicable

File size

1,030

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

Ia64_2fbb128dec28ab61d9c658489922f266_31bf3856ad364e35_6.1.7600.16532_none_27dd91e8424e4138.manifest

File version

Not applicable

File size

1,038

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

Ia64_6468f596e08bf3415692512812d690cd_31bf3856ad364e35_6.1.7600.20647_none_e7916c96429912f8.manifest

File version

Not applicable

File size

1,038

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

Ia64_c07ab31c6f8041449736f68f827b595d_31bf3856ad364e35_6.1.7600.20594_none_2e3c286be1fd9aef.manifest

File version

Not applicable

File size

1,030

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

Ia64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.16484_none_a6218677be1dba73.manifest

File version

Not applicable

File size

103,662

Date (UTC)

11-Dec-2009

Time (UTC)

21:53

Platform

Not applicable

File name

Ia64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20594_none_a6a05356d743762e.manifest

File version

Not applicable

File size

103,662

Date (UTC)

11-Dec-2009

Time (UTC)

21:53

Platform

Not applicable

File name

Ia64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.16532_none_6c3437817327aec0.manifest

File version

Not applicable

File size

1,058,441

Date (UTC)

18-Feb-2010

Time (UTC)

09:04

Platform

Not applicable

File name

Ia64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20647_none_6cb805d28c48e92e.manifest

File version

Not applicable

File size

1,058,441

Date (UTC)

18-Feb-2010

Time (UTC)

09:00

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,684

Date (UTC)

09-Mar-2010

Time (UTC)

05:41

Platform

Not applicable

File name

Wow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.16484_none_0c932857aadde4a8.manifest

File version

Not applicable

File size

86,382

Date (UTC)

11-Dec-2009

Time (UTC)

07:55

Platform

Not applicable

File name

Wow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20594_none_0d11f536c403a063.manifest

File version

Not applicable

File size

86,382

Date (UTC)

11-Dec-2009

Time (UTC)

07:36

Platform

Not applicable

File name

Wow64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.16532_none_d2a5d9615fe7d8f5.manifest

File version

Not applicable

File size

1,054,916

Date (UTC)

18-Feb-2010

Time (UTC)

07:53

Platform

Not applicable

File name

Wow64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20647_none_d329a7b279091363.manifest

File version

Not applicable

File size

1,054,916

Date (UTC)

18-Feb-2010

Time (UTC)

07:52

Platform

Not applicable

STILL NEED HELP?

If you would like to see answers to related issues, click the following links to view topics in the Microsoft Answers forum:

Precisa de mais ajuda?

Quer mais opções

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.