KB5004378: Servicing stack update for Windows 7 SP1 and Server 2008 R2 SP1: July 13, 2021

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 (Server Core installation) for x64-based systems

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.

How to get this update

Method 1: Windows UpdateThis update is available through Windows Update. It will be downloaded and installed automatically. Method 2: Microsoft Update CatalogTo get the stand-alone package for this update, go to the Microsoft Update Catalog website.Method 3: Windows Server Update ServicesThis update is also available through Windows Server Update Services (WSUS).PrerequisitesYou must have the following updates installed before you apply this update. If you use Windows Update, these updates will be offered automatically as needed.

• You must have the SHA-2 update (KB4474419) that is dated September 23, 2019 or a later SHA-2 update installed and then restart your device before you apply this update. If you use Windows Update, the latest SHA-2 update will be offered to you automatically. For more information about SHA-2 updates, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS.
• You must have the servicing stack update (SSU) (KB4490628) that is dated March 12, 2019 or a later SSU update installed. For more information about the latest SSU updates, see ADV990001 | Latest Servicing Stack Updates.
  Restart informationYou do not have to restart your device after you apply this update.Removal informationServicing stack updates (SSUs) make changes to how updates are installed and cannot be uninstalled from the device.Update replacement informationThis update replaces the previously released update KB4592510.

File Information

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

Windows 7 and Windows Server 2008 R2

**Note:**The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

__

For all supported x86-based versions

File name	File version	Date	Time	File size
mofinstall.dll	6.1.7601.25652	7-Jun-2021	23:27	59,392
esscli.dll	6.1.7601.25652	7-Jun-2021	23:27	266,240
mofd.dll	6.1.7601.25652	7-Jun-2021	23:27	193,536
repdrvfs.dll	6.1.7601.25652	7-Jun-2021	23:27	302,080
fastprox.dll	6.1.7601.25652	7-Jun-2021	23:27	606,720
wbemcomn.dll	6.1.7601.25652	7-Jun-2021	23:27	363,520
wbemcore.dll	6.1.7601.25652	7-Jun-2021	23:27	774,656
wmiutils.dll	6.1.7601.25652	7-Jun-2021	23:27	85,504
wbemprox.dll	6.1.7601.25652	7-Jun-2021	23:27	29,184
xmllite.dll	1.3.1001.0	7-Jun-2021	23:27	180,736
wdscore.dll	6.1.7601.25652	7-Jun-2021	23:27	190,464
CntrtextInstaller.dll	6.1.7601.25652	7-Jun-2021	23:27	143,872
drvstore.dll	6.1.7601.25652	7-Jun-2021	23:27	324,096
dpx.dll	6.1.7601.25652	7-Jun-2021	23:27	257,024
msdelta.dll	6.1.7601.25652	7-Jun-2021	23:27	305,664
mspatcha.dll	6.1.7601.25652	7-Jun-2021	23:27	35,328
PkgMgr.exe	6.1.7601.25652	7-Jun-2021	23:02	209,920
cmiv2.dll	6.1.7601.25652	7-Jun-2021	23:27	2,046,464
cmitrust.dll	6.1.7601.25652	7-Jun-2021	23:27	297,472
locdrv.dll	6.1.7601.25652	7-Jun-2021	23:27	228,352
WcmTypes.xsd	Not versioned	12-Oct-2020	16:20	1,047
helpcins.dll	6.1.7601.25652	7-Jun-2021	23:27	105,472
OEMHelpIns.dll	6.1.7601.25652	7-Jun-2021	23:27	151,552
apds.dll	6.1.7601.25652	7-Jun-2021	23:27	1,799,168
apss.dll	6.1.7601.25652	7-Jun-2021	23:27	201,216
apircl.dll	6.1.7601.25652	7-Jun-2021	23:27	223,744
CbsMsg.dll	6.1.7601.25652	7-Jun-2021	23:02	28,672
CbsCore.dll	6.1.7601.25652	7-Jun-2021	23:27	846,336
DrUpdate.dll	6.1.7601.25652	7-Jun-2021	23:27	174,080
wrpint.dll	6.1.7601.25652	7-Jun-2021	23:00	54,272
wcp.dll	6.1.7601.25652	7-Jun-2021	23:27	1,913,344
cmiadapter.dll	6.1.7601.25652	7-Jun-2021	23:27	120,832
smiengine.dll	6.1.7601.25652	7-Jun-2021	23:27	697,856
smipi.dll	6.1.7601.25652	7-Jun-2021	23:27	98,816
GlobalInstallOrder.xml	Not versioned	12-Oct-2020	16:19	1,977,464
poqexec.exe	6.1.7601.25652	7-Jun-2021	23:02	123,904
x86_installed	Not versioned	12-Oct-2020	16:19	9
SvcIni.exe	6.1.7601.25652	7-Jun-2021	23:02	16,384
wmicmiplugin.dll	6.1.7601.25652	7-Jun-2021	23:27	351,744
ExtendedSecurityUpdatesAI.dll	6.1.7601.25652	7-Jun-2021	23:02	93,184

__

For all supported x64-based versions

File name	File version	Date	Time	File size
mofinstall.dll	6.1.7601.25652	7-Jun-2021	23:36	76,800
esscli.dll	6.1.7601.25652	7-Jun-2021	23:36	440,320
mofd.dll	6.1.7601.25652	7-Jun-2021	23:36	280,064
repdrvfs.dll	6.1.7601.25652	7-Jun-2021	23:36	454,144
fastprox.dll	6.1.7601.25652	7-Jun-2021	23:36	909,824
wbemcomn.dll	6.1.7601.25652	7-Jun-2021	23:36	529,920
wbemcore.dll	6.1.7601.25652	7-Jun-2021	23:36	1,220,096
wmiutils.dll	6.1.7601.25652	7-Jun-2021	23:36	137,216
wbemprox.dll	6.1.7601.25652	7-Jun-2021	23:36	43,520
xmllite.dll	1.3.1001.0	7-Jun-2021	23:36	198,656
wdscore.dll	6.1.7601.25652	7-Jun-2021	23:36	271,872
CntrtextInstaller.dll	6.1.7601.25652	7-Jun-2021	23:36	171,008
drvstore.dll	6.1.7601.25652	7-Jun-2021	23:36	423,936
dpx.dll	6.1.7601.25652	7-Jun-2021	23:36	399,872
msdelta.dll	6.1.7601.25652	7-Jun-2021	23:36	452,096
mspatcha.dll	6.1.7601.25652	7-Jun-2021	23:36	46,592
PkgMgr.exe	6.1.7601.25652	7-Jun-2021	23:04	199,168
cmiv2.dll	6.1.7601.25652	7-Jun-2021	23:36	3,749,888
cmitrust.dll	6.1.7601.25652	7-Jun-2021	23:36	479,232
locdrv.dll	6.1.7601.25652	7-Jun-2021	23:36	370,176
WcmTypes.xsd	Not versioned	12-Oct-2020	16:20	1,047
helpcins.dll	6.1.7601.25652	7-Jun-2021	23:36	142,336
OEMHelpIns.dll	6.1.7601.25652	7-Jun-2021	23:36	222,720
apds.dll	6.1.7601.25652	7-Jun-2021	23:36	2,174,464
apss.dll	6.1.7601.25652	7-Jun-2021	23:36	235,520
apircl.dll	6.1.7601.25652	7-Jun-2021	23:36	276,992
CbsMsg.dll	6.1.7601.25652	7-Jun-2021	23:36	28,672
CbsCore.dll	6.1.7601.25652	7-Jun-2021	23:36	977,408
DrUpdate.dll	6.1.7601.25652	7-Jun-2021	23:36	204,288
wrpint.dll	6.1.7601.25652	7-Jun-2021	23:36	60,928
wcp.dll	6.1.7601.25652	7-Jun-2021	23:36	2,762,752
cmiadapter.dll	6.1.7601.25652	7-Jun-2021	23:36	125,952
smiengine.dll	6.1.7601.25652	7-Jun-2021	23:36	934,400
smipi.dll	6.1.7601.25652	7-Jun-2021	23:36	104,448
GlobalInstallOrder.xml	Not versioned	12-Oct-2020	16:19	1,977,464
poqexec.exe	6.1.7601.25652	7-Jun-2021	23:04	142,336
amd64_installed	Not versioned	12-Oct-2020	16:19	9
SvcIni.exe	6.1.7601.25652	7-Jun-2021	23:04	17,920
wmicmiplugin.dll	6.1.7601.25652	7-Jun-2021	23:36	525,824
ExtendedSecurityUpdatesAI.dll	6.1.7601.25652	7-Jun-2021	23:04	108,544
mofinstall.dll	6.1.7601.25652	7-Jun-2021	23:27	59,392
esscli.dll	6.1.7601.25652	7-Jun-2021	23:27	266,240
mofd.dll	6.1.7601.25652	7-Jun-2021	23:27	193,536
repdrvfs.dll	6.1.7601.25652	7-Jun-2021	23:27	302,080
fastprox.dll	6.1.7601.25652	7-Jun-2021	23:27	606,720
wbemcomn.dll	6.1.7601.25652	7-Jun-2021	23:27	363,520
wbemcore.dll	6.1.7601.25652	7-Jun-2021	23:27	774,656
wmiutils.dll	6.1.7601.25652	7-Jun-2021	23:27	85,504
wbemprox.dll	6.1.7601.25652	7-Jun-2021	23:27	29,184
xmllite.dll	1.3.1001.0	7-Jun-2021	23:27	180,736
wdscore.dll	6.1.7601.25652	7-Jun-2021	23:27	190,464
CntrtextInstaller.dll	6.1.7601.25652	7-Jun-2021	23:27	143,872
drvstore.dll	6.1.7601.25652	7-Jun-2021	23:27	324,096
dpx.dll	6.1.7601.25652	7-Jun-2021	23:27	257,024
msdelta.dll	6.1.7601.25652	7-Jun-2021	23:27	305,664
mspatcha.dll	6.1.7601.25652	7-Jun-2021	23:27	35,328
PkgMgr.exe	6.1.7601.25652	7-Jun-2021	23:02	209,920
cmiv2.dll	6.1.7601.25652	7-Jun-2021	23:27	2,046,464
cmitrust.dll	6.1.7601.25652	7-Jun-2021	23:27	297,472
locdrv.dll	6.1.7601.25652	7-Jun-2021	23:27	228,352
helpcins.dll	6.1.7601.25652	7-Jun-2021	23:27	105,472
OEMHelpIns.dll	6.1.7601.25652	7-Jun-2021	23:27	151,552
apds.dll	6.1.7601.25652	7-Jun-2021	23:27	1,799,168
apss.dll	6.1.7601.25652	7-Jun-2021	23:27	201,216
apircl.dll	6.1.7601.25652	7-Jun-2021	23:27	223,744
CbsMsg.dll	6.1.7601.25652	7-Jun-2021	23:02	28,672
CbsCore.dll	6.1.7601.25652	7-Jun-2021	23:27	846,336
DrUpdate.dll	6.1.7601.25652	7-Jun-2021	23:27	174,080
wrpint.dll	6.1.7601.25652	7-Jun-2021	23:00	54,272
wcp.dll	6.1.7601.25652	7-Jun-2021	23:27	1,913,344
cmiadapter.dll	6.1.7601.25652	7-Jun-2021	23:27	120,832
smiengine.dll	6.1.7601.25652	7-Jun-2021	23:27	697,856
smipi.dll	6.1.7601.25652	7-Jun-2021	23:27	98,816
poqexec.exe	6.1.7601.25652	7-Jun-2021	23:02	123,904
x86_installed	Not versioned	12-Oct-2020	16:19	9
SvcIni.exe	6.1.7601.25652	7-Jun-2021	23:02	16,384
wmicmiplugin.dll	6.1.7601.25652	7-Jun-2021	23:27	351,744
ExtendedSecurityUpdatesAI.dll	6.1.7601.25652	7-Jun-2021	23:02	93,184

References

For information on SSUs, see the following articles:

• Servicing stack updates
• Servicing Stack Updates (SSU): Frequently Asked Questions
  Learn about the terminology that Microsoft uses to describe software updates.