Summary

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Important: 

  • Windows 7 and Windows Server 2008 R2 have reached the end of mainstream support in January 2020 and are now in extended support. For more information, see here.

  • Windows Embedded Standard 7 reached the end of mainstream support in October 2020 and is now in extended support. For more information, see here.

  • Windows Embedded POSReady 7 reached the end of mainstream support in October 2016 and is in extended support. For more information, see here.

  • Windows Thin PC reached the end of mainstream support in in October 2016 and is in extended support. For more information, see here.

  • Verify that you have installed the required updates listed in the How to get this update section before installing this update.

Applies to

  • Windows 7 Service Pack 1 for x86-based systems

  • Windows 7 Service Pack 1 for x64-based systems

  • Windows Server 2008 R2 Service Pack 1 for x64-based systems

  • Windows Server 2008 R2 Service Pack 1 for x64-based systems (Server Core installation)

How to get this update

Method 1: Windows Update 

This update is available through Windows Update. It will be downloaded and installed automatically.  

Method 2: Microsoft Update Catalog 

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Windows Server Update Services

This update is also available through Windows Server Update Services (WSUS).

Prerequisites 

You must have the following updates installed before you apply this update. If you use Windows Update, these updates will be offered automatically as needed.

Restart information 

You do not have to restart your device after you apply this update.

Removal information

Servicing stack updates (SSUs) make changes to how updates are installed and cannot be uninstalled from the device.

Update replacement information 

This update replaces the previously released update KB5004378.

File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

File name

File version

Date

Time

File size

mofinstall.dll

6.1.7601.25734

13-Sep-2021

19:57

59,392

esscli.dll

6.1.7601.25734

13-Sep-2021

19:57

266,240

mofd.dll

6.1.7601.25734

13-Sep-2021

19:57

193,536

repdrvfs.dll

6.1.7601.25734

13-Sep-2021

19:57

302,080

fastprox.dll

6.1.7601.25734

13-Sep-2021

19:57

606,720

wbemcomn.dll

6.1.7601.25734

13-Sep-2021

19:57

363,520

wbemcore.dll

6.1.7601.25734

13-Sep-2021

19:57

774,656

wmiutils.dll

6.1.7601.25734

13-Sep-2021

19:57

85,504

wbemprox.dll

6.1.7601.25734

13-Sep-2021

19:57

29,184

xmllite.dll

1.3.1001.0

13-Sep-2021

19:57

180,736

wdscore.dll

6.1.7601.25734

13-Sep-2021

19:57

190,464

CntrtextInstaller.dll

6.1.7601.25734

13-Sep-2021

19:57

143,872

drvstore.dll

6.1.7601.25734

13-Sep-2021

19:57

324,096

dpx.dll

6.1.7601.25734

13-Sep-2021

19:57

257,024

msdelta.dll

6.1.7601.25734

13-Sep-2021

19:57

305,664

mspatcha.dll

6.1.7601.25734

13-Sep-2021

19:57

35,328

PkgMgr.exe

6.1.7601.25734

13-Sep-2021

19:33

209,920

cmiv2.dll

6.1.7601.25734

13-Sep-2021

19:57

2,046,464

cmitrust.dll

6.1.7601.25734

13-Sep-2021

19:57

297,472

locdrv.dll

6.1.7601.25734

13-Sep-2021

19:57

228,352

WcmTypes.xsd

Not versioned

12-Oct-2020

16:20

1,047

helpcins.dll

6.1.7601.25734

13-Sep-2021

19:57

105,472

OEMHelpIns.dll

6.1.7601.25734

13-Sep-2021

19:57

151,552

apds.dll

6.1.7601.25734

13-Sep-2021

19:57

1,799,168

apss.dll

6.1.7601.25734

13-Sep-2021

19:57

201,216

apircl.dll

6.1.7601.25734

13-Sep-2021

19:57

223,744

CbsMsg.dll

6.1.7601.25734

13-Sep-2021

19:33

28,672

CbsCore.dll

6.1.7601.25734

13-Sep-2021

19:57

846,336

DrUpdate.dll

6.1.7601.25734

13-Sep-2021

19:57

174,080

wrpint.dll

6.1.7601.25734

13-Sep-2021

19:32

54,272

wcp.dll

6.1.7601.25734

13-Sep-2021

19:57

1,913,344

cmiadapter.dll

6.1.7601.25734

13-Sep-2021

19:57

120,832

smiengine.dll

6.1.7601.25734

13-Sep-2021

19:57

697,856

smipi.dll

6.1.7601.25734

13-Sep-2021

19:57

98,816

GlobalInstallOrder.xml

Not versioned

12-Oct-2020

16:19

1,977,464

poqexec.exe

6.1.7601.25734

13-Sep-2021

19:33

123,904

x86_installed

Not versioned

12-Oct-2020

16:19

9

SvcIni.exe

6.1.7601.25734

13-Sep-2021

19:33

16,384

wmicmiplugin.dll

6.1.7601.25734

13-Sep-2021

19:57

351,744

ExtendedSecurityUpdatesAI.dll

6.1.7601.25734

13-Sep-2021

19:33

138,752

File name

File version

Date

Time

File size

mofinstall.dll

6.1.7601.25734

13-Sep-2021

20:10

76,800

esscli.dll

6.1.7601.25734

13-Sep-2021

20:10

440,320

mofd.dll

6.1.7601.25734

13-Sep-2021

20:10

280,064

repdrvfs.dll

6.1.7601.25734

13-Sep-2021

20:10

454,144

fastprox.dll

6.1.7601.25734

13-Sep-2021

20:10

909,824

wbemcomn.dll

6.1.7601.25734

13-Sep-2021

20:10

529,920

wbemcore.dll

6.1.7601.25734

13-Sep-2021

20:10

1,220,096

wmiutils.dll

6.1.7601.25734

13-Sep-2021

20:10

137,216

wbemprox.dll

6.1.7601.25734

13-Sep-2021

20:10

43,520

xmllite.dll

1.3.1001.0

13-Sep-2021

20:10

198,656

wdscore.dll

6.1.7601.25734

13-Sep-2021

20:10

271,872

CntrtextInstaller.dll

6.1.7601.25734

13-Sep-2021

20:10

171,008

drvstore.dll

6.1.7601.25734

13-Sep-2021

20:10

423,936

dpx.dll

6.1.7601.25734

13-Sep-2021

20:10

399,872

msdelta.dll

6.1.7601.25734

13-Sep-2021

20:10

452,096

mspatcha.dll

6.1.7601.25734

13-Sep-2021

20:10

46,592

PkgMgr.exe

6.1.7601.25734

13-Sep-2021

19:39

199,168

cmiv2.dll

6.1.7601.25734

13-Sep-2021

20:10

3,749,888

cmitrust.dll

6.1.7601.25734

13-Sep-2021

20:10

479,232

locdrv.dll

6.1.7601.25734

13-Sep-2021

20:10

370,176

WcmTypes.xsd

Not versioned

12-Oct-2020

16:20

1,047

helpcins.dll

6.1.7601.25734

13-Sep-2021

20:10

142,336

OEMHelpIns.dll

6.1.7601.25734

13-Sep-2021

20:10

222,720

apds.dll

6.1.7601.25734

13-Sep-2021

20:10

2,174,464

apss.dll

6.1.7601.25734

13-Sep-2021

20:10

235,520

apircl.dll

6.1.7601.25734

13-Sep-2021

20:10

276,992

CbsMsg.dll

6.1.7601.25734

13-Sep-2021

20:10

28,672

CbsCore.dll

6.1.7601.25734

13-Sep-2021

20:10

977,408

DrUpdate.dll

6.1.7601.25734

13-Sep-2021

20:10

204,288

wrpint.dll

6.1.7601.25734

13-Sep-2021

20:10

60,928

wcp.dll

6.1.7601.25734

13-Sep-2021

20:10

2,762,752

cmiadapter.dll

6.1.7601.25734

13-Sep-2021

20:10

125,952

smiengine.dll

6.1.7601.25734

13-Sep-2021

20:10

934,400

smipi.dll

6.1.7601.25734

13-Sep-2021

20:10

104,448

GlobalInstallOrder.xml

Not versioned

12-Oct-2020

16:19

1,977,464

poqexec.exe

6.1.7601.25734

13-Sep-2021

19:39

142,336

amd64_installed

Not versioned

12-Oct-2020

16:19

9

SvcIni.exe

6.1.7601.25734

13-Sep-2021

19:39

17,920

wmicmiplugin.dll

6.1.7601.25734

13-Sep-2021

20:10

525,824

ExtendedSecurityUpdatesAI.dll

6.1.7601.25734

13-Sep-2021

19:39

175,616

mofinstall.dll

6.1.7601.25734

13-Sep-2021

19:57

59,392

esscli.dll

6.1.7601.25734

13-Sep-2021

19:57

266,240

mofd.dll

6.1.7601.25734

13-Sep-2021

19:57

193,536

repdrvfs.dll

6.1.7601.25734

13-Sep-2021

19:57

302,080

fastprox.dll

6.1.7601.25734

13-Sep-2021

19:57

606,720

wbemcomn.dll

6.1.7601.25734

13-Sep-2021

19:57

363,520

wbemcore.dll

6.1.7601.25734

13-Sep-2021

19:57

774,656

wmiutils.dll

6.1.7601.25734

13-Sep-2021

19:57

85,504

wbemprox.dll

6.1.7601.25734

13-Sep-2021

19:57

29,184

xmllite.dll

1.3.1001.0

13-Sep-2021

19:57

180,736

wdscore.dll

6.1.7601.25734

13-Sep-2021

19:57

190,464

CntrtextInstaller.dll

6.1.7601.25734

13-Sep-2021

19:57

143,872

drvstore.dll

6.1.7601.25734

13-Sep-2021

19:57

324,096

dpx.dll

6.1.7601.25734

13-Sep-2021

19:57

257,024

msdelta.dll

6.1.7601.25734

13-Sep-2021

19:57

305,664

mspatcha.dll

6.1.7601.25734

13-Sep-2021

19:57

35,328

PkgMgr.exe

6.1.7601.25734

13-Sep-2021

19:33

209,920

cmiv2.dll

6.1.7601.25734

13-Sep-2021

19:57

2,046,464

cmitrust.dll

6.1.7601.25734

13-Sep-2021

19:57

297,472

locdrv.dll

6.1.7601.25734

13-Sep-2021

19:57

228,352

helpcins.dll

6.1.7601.25734

13-Sep-2021

19:57

105,472

OEMHelpIns.dll

6.1.7601.25734

13-Sep-2021

19:57

151,552

apds.dll

6.1.7601.25734

13-Sep-2021

19:57

1,799,168

apss.dll

6.1.7601.25734

13-Sep-2021

19:57

201,216

apircl.dll

6.1.7601.25734

13-Sep-2021

19:57

223,744

CbsMsg.dll

6.1.7601.25734

13-Sep-2021

19:33

28,672

CbsCore.dll

6.1.7601.25734

13-Sep-2021

19:57

846,336

DrUpdate.dll

6.1.7601.25734

13-Sep-2021

19:57

174,080

wrpint.dll

6.1.7601.25734

13-Sep-2021

19:32

54,272

wcp.dll

6.1.7601.25734

13-Sep-2021

19:57

1,913,344

cmiadapter.dll

6.1.7601.25734

13-Sep-2021

19:57

120,832

smiengine.dll

6.1.7601.25734

13-Sep-2021

19:57

697,856

smipi.dll

6.1.7601.25734

13-Sep-2021

19:57

98,816

poqexec.exe

6.1.7601.25734

13-Sep-2021

19:33

123,904

x86_installed

Not versioned

12-Oct-2020

16:19

9

SvcIni.exe

6.1.7601.25734

13-Sep-2021

19:33

16,384

wmicmiplugin.dll

6.1.7601.25734

13-Sep-2021

19:57

351,744

ExtendedSecurityUpdatesAI.dll

6.1.7601.25734

13-Sep-2021

19:33

138,752

References

For information on SSUs, see the following articles:

Learn about the terminology that Microsoft uses to describe software updates.

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