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Reminder

Windows 10, version 1607 Mobile and Mobile Enterprise editions reached end of service on October 9, 2018.

Windows 10, version 1607 for Education, Enterprise, and IoT Enterprise reached end of service on April 9, 2019. These editions will no longer be offered servicing stack updates. To continue receiving these updates, we recommend updating to the latest version of Windows. For information about the end of service for Windows 10, version 1607, see here.

Windows Server 2016 Datacenter edition, Nano Server installation, and Standard edition, Nano Server installation options reached end of service on October 9, 2018. For information about the end of service for Windows Server 2016, see here.

Learn more about upgrading Windows Server

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

Install this update

Release Channel

Available

Next Step

Windows Update and Microsoft Update

Yes

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

Microsoft Update Catalog

Yes

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS)

Yes

This update will automatically sync with WSUS if you configure Products and Classifications as follows:

Product: Windows 10

Classification: Security Updates

Prerequisites 

There are no prerequisites to apply this update.

Restart information 

You don't have to restart your computer 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 KB5017396.

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

poqexec.exe.mui

10.0.14393.0

16-Jul-16

4:06

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

4:05

3,072

poqexec.exe.mui

10.0.14393.0

15-Dec-20

17:24

3,072

poqexec.exe.mui

10.0.14393.0

14-Dec-20

15:46

3,072

poqexec.exe.mui

10.0.14393.0

29-Jun-20

18:07

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

4:04

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

4:01

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

4:08

3,072

poqexec.exe.mui

10.0.14393.0

27-Dec-20

11:19

3,072

poqexec.exe.mui

10.0.14393.0

16-Dec-20

9:29

3,072

poqexec.exe.mui

10.0.14393.0

16-Mar-20

13:26

3,072

poqexec.exe.mui

10.0.14393.0

25-Jun-20

22:33

3,072

poqexec.exe.mui

10.0.14393.0

25-Apr-20

15:59

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

4:07

3,072

poqexec.exe.mui

10.0.14393.0

25-Dec-20

13:23

3,072

offlinelsa.dll

10.0.14393.693

20-Dec-16

21:59

110,944

offlinesam.dll

10.0.14393.5771

13-Feb-23

20:40

238,080

mofinstall.dll

10.0.14393.5771

13-Feb-23

20:18

76,288

esscli.dll

10.0.14393.5771

13-Feb-23

20:18

303,616

mofd.dll

10.0.14393.5771

13-Feb-23

20:18

211,456

repdrvfs.dll

10.0.14393.5771

13-Feb-23

20:18

286,208

fastprox.dll

10.0.14393.5771

13-Feb-23

20:18

673,792

wbemcomn.dll

10.0.14393.5771

13-Feb-23

20:18

389,392

wbemcore.dll

10.0.14393.5771

13-Feb-23

20:18

988,160

wmiutils.dll

10.0.14393.5771

13-Feb-23

20:18

102,400

wbemprox.dll

10.0.14393.5771

13-Feb-23

20:18

40,448

shtransform.dll

10.0.14393.5771

13-Feb-23

20:41

34,080

bfsvc.dll

10.0.14393.5771

13-Feb-23

20:18

168,736

securebootai.dll

10.0.14393.5771

13-Feb-23

20:18

62,736

fveupdateai.dll

10.0.14393.5771

13-Feb-23

20:18

28,944

cmitrust.dll

10.0.14393.5771

13-Feb-23

20:17

279,552

peerdistai.dll

10.0.14393.5771

13-Feb-23

20:15

33,552

PrintAdvancedInstaller.dll

10.0.14393.5771

13-Feb-23

20:14

97,280

msdtcadvancedinstaller.dll

10.0.14393.5771

13-Feb-23

20:14

58,880

netfxconfig.dll

10.0.14393.5771

13-Feb-23

20:14

31,232

ConfigureIEOptionalComponentsAI.dll

10.0.14393.5771

13-Feb-23

20:15

47,904

IEFileInstallAI.dll

10.0.14393.5771

13-Feb-23

20:14

36,640

servicemodelregai.dll

10.0.14393.5771

13-Feb-23

20:14

76,800

SetIEInstalledDateAI.dll

10.0.14393.5771

13-Feb-23

20:14

26,624

bcdeditai.dll

10.0.14393.5771

13-Feb-23

20:18

273,168

FeatureSettingsOverride.dll

10.0.14393.5771

13-Feb-23

20:40

35,600

SupplementalServicingAI.dll

10.0.14393.5771

13-Feb-23

20:05

17,920

luainstall.dll

10.0.14393.5771

13-Feb-23

20:17

55,296

appxreg.dll

10.0.14393.5771

13-Feb-23

20:18

37,664

appxprovisionpackage.dll

10.0.14393.5771

13-Feb-23

20:40

81,408

EventsInstaller.dll

10.0.14393.5771

13-Feb-23

20:40

180,736

CntrtextInstaller.dll

10.0.14393.5771

13-Feb-23

20:17

143,872

grouptrusteeai.dll

10.0.14393.5771

13-Feb-23

20:25

39,712

sppinst.dll

10.0.14393.5771

13-Feb-23

20:18

38,160

timezoneai.dll

10.0.14393.5771

13-Feb-23

20:18

60,688

httpai.dll

10.0.14393.5771

13-Feb-23

20:18

28,960

cmifw.dll

10.0.14393.5771

13-Feb-23

20:18

94,208

FirewallOfflineAPI.dll

10.0.14393.5771

13-Feb-23

20:18

162,576

NetSetupAI.dll

10.0.14393.5771

13-Feb-23

20:17

108,032

NetSetupApi.dll

10.0.14393.5771

13-Feb-23

20:17

115,712

NetSetupEngine.dll

10.0.14393.5771

13-Feb-23

20:17

610,304

ImplatSetup.dll

10.0.14393.5771

13-Feb-23

20:41

102,160

winsockai.dll

10.0.14393.5771

13-Feb-23

20:18

77,312

ws2_helper.dll

10.0.14393.693

20-Dec-16

21:04

78,688

wmicmiplugin.dll

10.0.14393.5771

13-Feb-23

20:17

276,992

PrimitiveTransformers.dll

10.0.14393.5771

13-Feb-23

20:40

52,512

AriTransformer.dll

10.0.14393.5771

13-Feb-23

20:40

50,960

WpnDataTransformer.dll

10.0.14393.5771

13-Feb-23

20:40

31,552

mqcmiplugin.dll

5.0.1.1

13-Feb-23

20:17

134,656

wdscore.dll

10.0.14393.5771

13-Feb-23

20:24

220,944

drvstore.dll

10.0.14393.5771

13-Feb-23

20:17

754,176

dpx.dll

5.0.1.1

13-Feb-23

20:18

382,240

msdelta.dll

5.0.1.1

13-Feb-23

20:18

410,624

mspatcha.dll

5.0.1.1

13-Feb-23

20:18

45,840

cmiaisupport.dll

10.0.14393.5771

13-Feb-23

20:17

1,915,152

WcmTypes.xsd

Not versioned

29-Jun-16

11:53

1,047

CbsMsg.dll

10.0.14393.693

20-Dec-16

21:04

49,504

CbsCore.dll

10.0.14393.5771

13-Feb-23

20:40

1,788,688

TiWorker.exe

10.0.14393.5771

13-Feb-23

19:56

197,120

TiFileFetcher.exe

10.0.14393.5771

13-Feb-23

20:18

247,568

drupdate.dll

10.0.14393.5771

13-Feb-23

20:17

286,992

wcp.dll

10.0.14393.5771

13-Feb-23

20:40

2,737,440

cmiadapter.dll

10.0.14393.5771

13-Feb-23

20:17

76,800

smiengine.dll

10.0.14393.5771

13-Feb-23

20:18

748,304

smipi.dll

10.0.14393.5771

13-Feb-23

20:18

33,056

poqexec.exe

10.0.14393.5771

13-Feb-23

19:56

120,320

x86_installed

Not versioned

29-Jun-16

11:51

9

GlobalInstallOrder.xml

Not versioned

11-Aug-16

20:06

1,247,706

wrpint.dll

10.0.14393.5771

13-Feb-23

20:18

70,656

iissetupai.dll

10.0.14393.5771

13-Feb-23

20:40

102,400

cleanupai.dll

10.0.14393.5771

13-Feb-23

20:18

25,600

File name

File version

Date

Time

File size

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:37

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:30

3,072

poqexec.exe.mui

10.0.14393.0

15-Dec-20

17:24

3,072

poqexec.exe.mui

10.0.14393.0

14-Dec-20

18:03

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:31

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:36

3,072

poqexec.exe.mui

10.0.14393.0

12-Jan-21

16:58

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:29

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:33

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:41

3,072

poqexec.exe.mui

10.0.14393.0

14-Dec-20

16:44

3,072

poqexec.exe.mui

10.0.14393.0

25-Oct-20

17:44

3,072

poqexec.exe.mui

10.0.14393.0

7-Jan-20

12:36

3,072

poqexec.exe.mui

10.0.14393.0

16-Jul-16

7:40

3,072

poqexec.exe.mui

10.0.14393.0

17-Dec-20

3:20

3,072

offlinelsa.dll

10.0.14393.693

21-Dec-16

0:08

123,232

offlinesam.dll

10.0.14393.5771

13-Feb-23

20:53

261,952

mofinstall.dll

10.0.14393.5771

13-Feb-23

20:44

74,560

esscli.dll

10.0.14393.5771

13-Feb-23

20:43

398,608

mofd.dll

10.0.14393.5771

13-Feb-23

20:43

249,856

repdrvfs.dll

10.0.14393.5771

13-Feb-23

20:42

356,352

fastprox.dll

10.0.14393.5771

13-Feb-23

20:43

856,352

wbemcomn.dll

10.0.14393.5771

13-Feb-23

20:43

455,680

wbemcore.dll

10.0.14393.5771

13-Feb-23

20:43

1,233,408

wmiutils.dll

10.0.14393.5771

13-Feb-23

20:43

122,880

wbemprox.dll

10.0.14393.5771

13-Feb-23

20:43

43,808

shtransform.dll

10.0.14393.5771

13-Feb-23

20:53

39,744

bfsvc.dll

10.0.14393.5771

13-Feb-23

20:42

199,680

securebootai.dll

10.0.14393.5771

13-Feb-23

20:42

76,288

fveupdateai.dll

10.0.14393.5771

13-Feb-23

20:43

33,600

cmitrust.dll

10.0.14393.5771

13-Feb-23

20:42

401,168

peerdistai.dll

10.0.14393.5771

13-Feb-23

20:40

41,984

PrintAdvancedInstaller.dll

10.0.14393.5771

13-Feb-23

20:41

103,696

msdtcadvancedinstaller.dll

10.0.14393.5771

13-Feb-23

20:40

68,608

netfxconfig.dll

10.0.14393.5771

13-Feb-23

20:40

34,304

ConfigureIEOptionalComponentsAI.dll

10.0.14393.5771

13-Feb-23

20:40

57,344

IEFileInstallAI.dll

10.0.14393.5771

13-Feb-23

20:40

40,960

servicemodelregai.dll

10.0.14393.5771

13-Feb-23

20:40

92,160

SetIEInstalledDateAI.dll

10.0.14393.5771

13-Feb-23

20:40

28,160

bcdeditai.dll

10.0.14393.5771

13-Feb-23

20:43

300,032

FeatureSettingsOverride.dll

10.0.14393.5771

13-Feb-23

20:53

44,032

SupplementalServicingAI.dll

10.0.14393.5771

13-Feb-23

20:16

18,432

luainstall.dll

10.0.14393.5771

13-Feb-23

20:42

61,248

appxreg.dll

10.0.14393.5771

13-Feb-23

20:43

43,840

appxprovisionpackage.dll

10.0.14393.5771

13-Feb-23

20:53

90,624

EventsInstaller.dll

10.0.14393.5771

13-Feb-23

20:53

223,552

CntrtextInstaller.dll

10.0.14393.5771

13-Feb-23

20:42

166,912

grouptrusteeai.dll

10.0.14393.5771

13-Feb-23

20:47

44,864

sppinst.dll

10.0.14393.5771

13-Feb-23

20:43

46,080

timezoneai.dll

10.0.14393.5771

13-Feb-23

20:43

71,488

httpai.dll

10.0.14393.5771

13-Feb-23

20:43

32,032

cmifw.dll

10.0.14393.5771

13-Feb-23

20:42

105,472

FirewallOfflineAPI.dll

10.0.14393.5771

13-Feb-23

20:43

188,416

NetSetupAI.dll

10.0.14393.5771

13-Feb-23

20:43

133,440

NetSetupApi.dll

10.0.14393.5771

13-Feb-23

20:42

152,576

NetSetupEngine.dll

10.0.14393.5771

13-Feb-23

20:42

862,208

ImplatSetup.dll

10.0.14393.5771

13-Feb-23

20:53

139,776

winsockai.dll

10.0.14393.5771

13-Feb-23

20:43

83,264

ws2_helper.dll

10.0.14393.693

20-Dec-16

23:46

94,560

wmicmiplugin.dll

10.0.14393.5771

13-Feb-23

20:42

398,336

PrimitiveTransformers.dll

10.0.14393.5771

13-Feb-23

20:53

66,880

AriTransformer.dll

10.0.14393.5771

13-Feb-23

20:53

57,616

WpnDataTransformer.dll

10.0.14393.5771

13-Feb-23

20:53

40,960

mqcmiplugin.dll

5.0.1.1

13-Feb-23

20:42

158,208

appserverai.dll

10.0.14393.5771

13-Feb-23

20:42

117,760

RDWebAI.dll

10.0.14393.5771

13-Feb-23

20:42

120,640

tssdisai.dll

10.0.14393.5771

13-Feb-23

20:42

122,688

VmHostAI.dll

10.0.14393.5771

13-Feb-23

20:42

103,936

wdscore.dll

10.0.14393.5771

13-Feb-23

20:47

268,048

drvstore.dll

10.0.14393.5771

13-Feb-23

20:43

909,600

dpx.dll

5.0.1.1

13-Feb-23

20:42

508,736

msdelta.dll

5.0.1.1

13-Feb-23

20:42

518,656

mspatcha.dll

5.0.1.1

13-Feb-23

20:42

57,856

cmiaisupport.dll

10.0.14393.5771

13-Feb-23

20:44

2,924,864

WcmTypes.xsd

Not versioned

29-May-16

11:43

1,047

CbsMsg.dll

10.0.14393.693

20-Dec-16

23:45

50,528

CbsCore.dll

10.0.14393.5771

13-Feb-23

20:53

2,041,344

TiWorker.exe

10.0.14393.5771

13-Feb-23

20:13

199,680

TiFileFetcher.exe

10.0.14393.5771

13-Feb-23

20:42

292,864

drupdate.dll

10.0.14393.5771

13-Feb-23

20:42

339,968

wcp.dll

10.0.14393.5771

13-Feb-23

20:53

3,203,584

cmiadapter.dll

10.0.14393.5771

13-Feb-23

20:42

85,824

smiengine.dll

10.0.14393.5771

13-Feb-23

20:44

868,352

smipi.dll

10.0.14393.693

20-Dec-16

23:45

36,704

poqexec.exe

10.0.14393.5771

13-Feb-23

20:11

142,848

amd64_installed

Not versioned

29-May-16

11:40

9

GlobalInstallOrder.xml

Not versioned

5-Aug-16

17:52

1,247,706

wrpint.dll

10.0.14393.5771

13-Feb-23

20:43

80,384

iissetupai.dll

10.0.14393.5771

13-Feb-23

20:53

123,712

cleanupai.dll

10.0.14393.5771

13-Feb-23

20:42

27,648

mofinstall.dll

10.0.14393.5771

13-Feb-23

20:18

76,288

esscli.dll

10.0.14393.5771

13-Feb-23

20:18

303,616

mofd.dll

10.0.14393.5771

13-Feb-23

20:18

211,456

repdrvfs.dll

10.0.14393.5771

13-Feb-23

20:18

286,208

fastprox.dll

10.0.14393.5771

13-Feb-23

20:18

673,792

wbemcomn.dll

10.0.14393.5771

13-Feb-23

20:18

389,392

wbemcore.dll

10.0.14393.5771

13-Feb-23

20:18

988,160

wmiutils.dll

10.0.14393.5771

13-Feb-23

20:18

102,400

wbemprox.dll

10.0.14393.5771

13-Feb-23

20:18

40,448

shtransform.dll

10.0.14393.5771

13-Feb-23

20:41

34,080

bfsvc.dll

10.0.14393.5771

13-Feb-23

20:18

168,736

securebootai.dll

10.0.14393.5771

13-Feb-23

20:18

62,736

fveupdateai.dll

10.0.14393.5771

13-Feb-23

20:18

28,944

cmitrust.dll

10.0.14393.5771

13-Feb-23

20:17

279,552

peerdistai.dll

10.0.14393.5771

13-Feb-23

20:15

33,552

PrintAdvancedInstaller.dll

10.0.14393.5771

13-Feb-23

20:14

97,280

msdtcadvancedinstaller.dll

10.0.14393.5771

13-Feb-23

20:14

58,880

netfxconfig.dll

10.0.14393.5771

13-Feb-23

20:14

31,232

ConfigureIEOptionalComponentsAI.dll

10.0.14393.5771

13-Feb-23

20:15

47,904

IEFileInstallAI.dll

10.0.14393.5771

13-Feb-23

20:14

36,640

servicemodelregai.dll

10.0.14393.5771

13-Feb-23

20:14

76,800

SetIEInstalledDateAI.dll

10.0.14393.5771

13-Feb-23

20:14

26,624

bcdeditai.dll

10.0.14393.5771

13-Feb-23

20:18

273,168

FeatureSettingsOverride.dll

10.0.14393.5771

13-Feb-23

20:40

35,600

SupplementalServicingAI.dll

10.0.14393.5771

13-Feb-23

20:05

17,920

luainstall.dll

10.0.14393.5771

13-Feb-23

20:17

55,296

appxreg.dll

10.0.14393.5771

13-Feb-23

20:18

37,664

appxprovisionpackage.dll

10.0.14393.5771

13-Feb-23

20:40

81,408

EventsInstaller.dll

10.0.14393.5771

13-Feb-23

20:40

180,736

CntrtextInstaller.dll

10.0.14393.5771

13-Feb-23

20:17

143,872

grouptrusteeai.dll

10.0.14393.5771

13-Feb-23

20:25

39,712

sppinst.dll

10.0.14393.5771

13-Feb-23

20:18

38,160

timezoneai.dll

10.0.14393.5771

13-Feb-23

20:18

60,688

httpai.dll

10.0.14393.5771

13-Feb-23

20:18

28,960

cmifw.dll

10.0.14393.5771

13-Feb-23

20:18

94,208

FirewallOfflineAPI.dll

10.0.14393.5771

13-Feb-23

20:18

162,576

NetSetupAI.dll

10.0.14393.5771

13-Feb-23

20:17

108,032

NetSetupApi.dll

10.0.14393.5771

13-Feb-23

20:17

115,712

NetSetupEngine.dll

10.0.14393.5771

13-Feb-23

20:17

610,304

ImplatSetup.dll

10.0.14393.5771

13-Feb-23

20:41

102,160

winsockai.dll

10.0.14393.5771

13-Feb-23

20:18

77,312

ws2_helper.dll

10.0.14393.693

20-Dec-16

21:04

78,688

wmicmiplugin.dll

10.0.14393.5771

13-Feb-23

20:17

276,992

PrimitiveTransformers.dll

10.0.14393.5771

13-Feb-23

20:40

52,512

AriTransformer.dll

10.0.14393.5771

13-Feb-23

20:40

50,960

WpnDataTransformer.dll

10.0.14393.5771

13-Feb-23

20:40

31,552

appserverai.dll

10.0.14393.5771

13-Feb-23

20:17

94,528

RDWebAI.dll

10.0.14393.5771

13-Feb-23

20:17

104,768

tssdisai.dll

10.0.14393.5771

13-Feb-23

20:16

105,984

VmHostAI.dll

10.0.14393.5771

13-Feb-23

20:17

84,288

wdscore.dll

10.0.14393.5771

13-Feb-23

20:24

220,944

drvstore.dll

10.0.14393.5771

13-Feb-23

20:17

754,176

dpx.dll

5.0.1.1

13-Feb-23

20:18

382,240

msdelta.dll

5.0.1.1

13-Feb-23

20:18

410,624

mspatcha.dll

5.0.1.1

13-Feb-23

20:18

45,840

cmiaisupport.dll

10.0.14393.5771

13-Feb-23

20:17

1,915,152

WcmTypes.xsd

Not versioned

29-Jun-16

11:53

1,047

CbsMsg.dll

10.0.14393.693

20-Dec-16

21:04

49,504

CbsCore.dll

10.0.14393.5771

13-Feb-23

20:40

1,788,688

TiWorker.exe

10.0.14393.5771

13-Feb-23

19:56

197,120

TiFileFetcher.exe

10.0.14393.5771

13-Feb-23

20:18

247,568

drupdate.dll

10.0.14393.5771

13-Feb-23

20:17

286,992

wcp.dll

10.0.14393.5771

13-Feb-23

20:40

2,737,440

cmiadapter.dll

10.0.14393.5771

13-Feb-23

20:17

76,800

smiengine.dll

10.0.14393.5771

13-Feb-23

20:18

748,304

smipi.dll

10.0.14393.5771

13-Feb-23

20:18

33,056

poqexec.exe

10.0.14393.5771

13-Feb-23

19:56

120,320

x86_installed

Not versioned

29-Jun-16

11:51

9

GlobalInstallOrder.xml

Not versioned

11-Aug-16

20:06

1,247,706

wrpint.dll

10.0.14393.5771

13-Feb-23

20:18

70,656

cleanupai.dll

10.0.14393.5771

13-Feb-23

20:18

25,600

References

For information about SSUs, see the following articles:

For more information about Dynamic Updates, see the following articles:

Learn about the standard terminology that is used to describe Microsoft software updates.

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