KB5001403: Servicing stack update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: April 13, 2021

This update applies to the following:

  • Windows 8.1 for 32-bit systems

  • Windows 8.1 for x64-based systems

  • Windows RT 8.1

  • Windows Server 2012 R2

  • Windows Server 2012 R2 (Server Core installation)

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. 

This update also addresses an issue that might prevent the CVE-2020-0689 update from installing. The error message in the CBS.log file is TRUST_E_NOSIGNATURE. To learn more about this security vulnerability, see CVE-2020-0689 | Microsoft Secure Boot Security Feature Bypass Vulnerability.

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 

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 KB4566425.

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

httpai.dll

6.3.9600.19985

4-Mar-2021

19:23

55,296

peerdistai.dll

6.3.9600.19985

4-Mar-2021

19:23

65,024

PrintAdvancedInstaller.dll

6.3.9600.19985

4-Mar-2021

19:40

99,328

msdtcadvancedinstaller.dll

6.3.9600.19985

4-Mar-2021

19:22

215,040

netfxconfig.dll

6.3.9600.19985

4-Mar-2021

20:01

40,448

ConfigureIEOptionalComponentsAI.dll

6.3.9600.19985

4-Mar-2021

19:22

76,800

IEFileInstallAI.dll

6.3.9600.19985

4-Mar-2021

19:18

66,560

servicemodelregai.dll

6.3.9600.19985

4-Mar-2021

19:22

96,768

SetIEInstalledDateAI.dll

6.3.9600.19985

4-Mar-2021

19:23

49,152

ceipfwdai.dll

6.3.9600.19985

4-Mar-2021

19:19

197,632

bcdeditai.dll

6.3.9600.19985

4-Mar-2021

19:25

271,360

appxreg.dll

6.3.9600.19985

4-Mar-2021

19:51

19,968

RegisterIEPKeysAI.dll

6.3.9600.19985

4-Mar-2021

19:21

23,040

cmipnpinstall.dll

6.3.9600.19985

4-Mar-2021

19:59

195,072

mofinstall.dll

6.3.9600.19985

4-Mar-2021

19:24

64,000

esscli.dll

6.3.9600.19402

24-Jun-2019

18:31

293,376

mofd.dll

6.3.9600.19985

4-Mar-2021

19:22

204,800

repdrvfs.dll

6.3.9600.17475

28-Oct-2014

17:13

276,992

fastprox.dll

6.3.9600.19402

24-Jun-2019

18:30

670,208

wbemcomn.dll

6.3.9600.19985

4-Mar-2021

19:23

386,048

wbemcore.dll

6.3.9600.19985

4-Mar-2021

19:21

925,696

wmiutils.dll

6.3.9600.17475

28-Oct-2014

17:14

90,624

wbemprox.dll

6.3.9600.17475

28-Oct-2014

17:14

29,696

wmicmiplugin.dll

6.3.9600.19985

4-Mar-2021

19:18

392,704

sppinst.dll

6.3.9600.19402

24-Jun-2019

18:25

646,656

cmifw.dll

6.3.9600.19985

4-Mar-2021

19:21

80,896

FirewallOfflineAPI.dll

6.3.9600.17475

28-Oct-2014

17:18

140,800

NetSetupAI.dll

6.3.9600.19985

4-Mar-2021

19:25

55,296

NetSetupApi.dll

6.3.9600.17475

28-Oct-2014

17:17

124,928

securebootai.dll

6.3.9600.19985

4-Mar-2021

19:25

43,008

winsockai.dll

6.3.9600.19985

4-Mar-2021

19:22

71,680

ws2_helper.dll

6.3.9600.17477

30-Oct-2014

15:37

50,176

cleanupai.dll

6.3.9600.19985

4-Mar-2021

19:23

36,864

wdscore.dll

6.3.9600.19402

24-Jun-2019

18:32

208,384

CntrtextInstaller.dll

6.3.9600.19985

4-Mar-2021

19:27

128,000

drvstore.dll

6.3.9600.19402

24-Jun-2019

18:35

610,304

dpx.dll

6.3.9600.19402

24-Jun-2019

18:25

265,216

msdelta.dll

6.3.9600.19402

24-Jun-2019

18:33

398,336

mspatcha.dll

6.3.9600.19402

24-Jun-2019

18:36

36,864

cmiv2.dll

6.3.9600.19985

4-Mar-2021

20:00

2,257,408

cmiaisupport.dll

6.3.9600.19985

4-Mar-2021

19:20

2,162,688

cmitrust.dll

6.3.9600.19985

4-Mar-2021

19:24

286,720

WcmTypes.xsd

Not versioned

18-Jun-2013

6:06

1,047

CbsMsg.dll

6.3.9600.17477

30-Oct-2014

15:37

41,984

CbsCore.dll

6.3.9600.19985

4-Mar-2021

19:18

1,379,840

TiWorker.exe

6.3.9600.17477

30-Oct-2014

15:37

190,464

TiFileFetcher.exe

6.3.9600.19651

12-Feb-2020

20:18

355,328

DrUpdate.dll

6.3.9600.19402

24-Jun-2019

18:34

202,240

wrpint.dll

6.3.9600.19402

24-Jun-2019

18:26

56,320

wcp.dll

6.3.9600.19985

4-Mar-2021

19:26

2,408,960

cmiadapter.dll

6.3.9600.19985

4-Mar-2021

19:22

121,856

smiengine.dll

6.3.9600.19985

4-Mar-2021

19:11

750,080

smipi.dll

6.3.9600.19750

10-Jun-2020

19:42

59,904

poqexec.exe

6.3.9600.19651

12-Feb-2020

21:06

129,536

x86_installed

Not versioned

18-Jun-2013

5:26

9

bfsvc.dll

6.3.9600.19985

4-Mar-2021

19:19

74,240

timezoneai.dll

6.3.9600.19985

4-Mar-2021

19:26

86,528

GlobalInstallOrder.xml

Not versioned

18-Jun-2013

6:12

1,249,919

luainstall.dll

6.3.9600.19985

4-Mar-2021

19:24

43,008

fveupdateai.dll

6.3.9600.19985

4-Mar-2021

19:22

57,344

File name

File version

Date

Time

File size

httpai.dll

6.3.9600.19985

4-Mar-2021

20:23

49,440

peerdistai.dll

6.3.9600.19985

4-Mar-2021

20:23

59,168

PrintAdvancedInstaller.dll

6.3.9600.19985

4-Mar-2021

20:23

89,352

msdtcadvancedinstaller.dll

6.3.9600.19985

4-Mar-2021

20:24

193,312

netfxconfig.dll

6.3.9600.19985

4-Mar-2021

20:23

38,176

ConfigureIEOptionalComponentsAI.dll

6.3.9600.19985

4-Mar-2021

20:23

70,912

IEFileInstallAI.dll

6.3.9600.19985

4-Mar-2021

20:23

59,680

servicemodelregai.dll

6.3.9600.19985

4-Mar-2021

20:23

96,008

SetIEInstalledDateAI.dll

6.3.9600.19985

4-Mar-2021

20:23

45,344

ceipfwdai.dll

6.3.9600.19985

4-Mar-2021

20:23

171,296

bcdeditai.dll

6.3.9600.19985

4-Mar-2021

20:23

267,552

appxreg.dll

6.3.9600.19985

4-Mar-2021

20:23

21,768

RegisterIEPKeysAI.dll

6.3.9600.19985

4-Mar-2021

20:23

24,352

cmipnpinstall.dll

6.3.9600.19985

4-Mar-2021

20:23

190,752

mofinstall.dll

6.3.9600.19985

4-Mar-2021

20:20

59,656

esscli.dll

6.3.9600.19537

10-Oct-2019

19:45

306,440

mofd.dll

6.3.9600.19985

4-Mar-2021

20:19

190,728

repdrvfs.dll

6.3.9600.16384

21-Aug-2013

20:54

272,744

fastprox.dll

6.3.9600.19537

10-Oct-2019

19:45

664,056

wbemcomn.dll

6.3.9600.16384

21-Aug-2013

20:54

364,392

wbemcore.dll

6.3.9600.19985

4-Mar-2021

20:20

946,952

wmiutils.dll

6.3.9600.16384

21-Aug-2013

20:54

96,104

wbemprox.dll

6.3.9600.16384

21-Aug-2013

20:54

36,712

wmicmiplugin.dll

6.3.9600.19985

4-Mar-2021

20:20

418,592

sppinst.dll

6.3.9600.19537

10-Oct-2019

19:45

531,424

cmifw.dll

6.3.9600.19985

4-Mar-2021

20:18

80,136

FirewallOfflineAPI.dll

6.3.9600.17475

31-Oct-2014

0:07

136,528

NetSetupAI.dll

6.3.9600.19985

4-Mar-2021

20:18

54,024

NetSetupApi.dll

6.3.9600.16384

21-Aug-2013

19:17

131,584

securebootai.dll

6.3.9600.19985

4-Mar-2021

20:23

43,296

winsockai.dll

6.3.9600.19985

4-Mar-2021

20:23

65,312

ws2_helper.dll

6.3.9600.16384

21-Aug-2013

20:58

54,120

cleanupai.dll

6.3.9600.19985

4-Mar-2021

20:23

36,640

wdscore.dll

6.3.9600.17475

31-Oct-2014

0:07

192,848

CntrtextInstaller.dll

6.3.9600.19985

4-Mar-2021

20:23

128,288

drvstore.dll

6.3.9600.19537

10-Oct-2019

20:08

534,280

dpx.dll

6.3.9600.19537

10-Oct-2019

20:08

273,672

msdelta.dll

6.3.9600.16384

21-Aug-2013

20:58

407,400

mspatcha.dll

6.3.9600.16384

21-Aug-2013

20:58

42,352

cmiv2.dll

6.3.9600.19985

4-Mar-2021

20:23

2,502,920

cmiaisupport.dll

6.3.9600.19985

4-Mar-2021

20:23

2,394,376

cmitrust.dll

6.3.9600.19985

4-Mar-2021

20:23

298,784

WcmTypes.xsd

Not versioned

18-Jun-2013

8:30

1,047

CbsMsg.dll

6.3.9600.17031

22-Feb-2014

3:48

48,488

CbsCore.dll

6.3.9600.19985

4-Mar-2021

20:23

1,234,720

TiWorker.exe

6.3.9600.17031

22-Feb-2014

0:30

186,368

TiFileFetcher.exe

6.3.9600.19724

20-May-2020

4:05

332,048

DrUpdate.dll

6.3.9600.19537

10-Oct-2019

20:08

188,168

wrpint.dll

6.3.9600.17031

22-Feb-2014

3:48

56,680

wcp.dll

6.3.9600.19985

4-Mar-2021

20:23

2,088,736

cmiadapter.dll

6.3.9600.19985

4-Mar-2021

20:23

102,688

smiengine.dll

6.3.9600.19985

4-Mar-2021

20:23

630,048

smipi.dll

6.3.9600.19750

10-Jun-2020

20:43

56,072

poqexec.exe

6.3.9600.19724

20-May-2020

3:25

104,960

arm_installed

Not versioned

18-Jun-2013

7:51

9

bfsvc.dll

6.3.9600.19985

4-Mar-2021

20:23

71,968

timezoneai.dll

6.3.9600.19985

4-Mar-2021

20:23

78,624

GlobalInstallOrder.xml

Not versioned

18-Jun-2013

8:34

1,249,919

luainstall.dll

6.3.9600.19985

4-Mar-2021

20:23

50,440

fveupdateai.dll

6.3.9600.19985

4-Mar-2021

20:23

53,024

httpai.dll

6.3.9600.19985

4-Mar-2021

19:23

55,296

peerdistai.dll

6.3.9600.19985

4-Mar-2021

19:23

65,024

PrintAdvancedInstaller.dll

6.3.9600.19985

4-Mar-2021

19:40

99,328

msdtcadvancedinstaller.dll

6.3.9600.19985

4-Mar-2021

19:22

215,040

netfxconfig.dll

6.3.9600.19985

4-Mar-2021

20:01

40,448

ConfigureIEOptionalComponentsAI.dll

6.3.9600.19985

4-Mar-2021

19:22

76,800

IEFileInstallAI.dll

6.3.9600.19985

4-Mar-2021

19:18

66,560

servicemodelregai.dll

6.3.9600.19985

4-Mar-2021

19:22

96,768

SetIEInstalledDateAI.dll

6.3.9600.19985

4-Mar-2021

19:23

49,152

ceipfwdai.dll

6.3.9600.19985

4-Mar-2021

19:19

197,632

bcdeditai.dll

6.3.9600.19985

4-Mar-2021

19:25

271,360

appxreg.dll

6.3.9600.19985

4-Mar-2021

19:51

19,968

RegisterIEPKeysAI.dll

6.3.9600.19985

4-Mar-2021

19:21

23,040

cmipnpinstall.dll

6.3.9600.19985

4-Mar-2021

19:59

195,072

mofinstall.dll

6.3.9600.19985

4-Mar-2021

19:24

64,000

esscli.dll

6.3.9600.19537

10-Oct-2019

18:40

293,376

mofd.dll

6.3.9600.19985

4-Mar-2021

19:22

204,800

repdrvfs.dll

6.3.9600.17475

28-Oct-2014

17:13

276,992

fastprox.dll

6.3.9600.19537

10-Oct-2019

18:40

670,208

wbemcomn.dll

6.3.9600.19985

4-Mar-2021

19:23

386,048

wbemcore.dll

6.3.9600.19985

4-Mar-2021

19:21

925,696

wmiutils.dll

6.3.9600.17475

28-Oct-2014

17:14

90,624

wbemprox.dll

6.3.9600.17475

28-Oct-2014

17:14

29,696

wmicmiplugin.dll

6.3.9600.19985

4-Mar-2021

19:18

392,704

sppinst.dll

6.3.9600.19537

10-Oct-2019

18:35

646,656

cmifw.dll

6.3.9600.19985

4-Mar-2021

19:21

80,896

FirewallOfflineAPI.dll

6.3.9600.17475

28-Oct-2014

17:18

140,800

NetSetupAI.dll

6.3.9600.19985

4-Mar-2021

19:25

55,296

NetSetupApi.dll

6.3.9600.17475

28-Oct-2014

17:17

124,928

securebootai.dll

6.3.9600.19985

4-Mar-2021

19:25

43,008

winsockai.dll

6.3.9600.19985

4-Mar-2021

19:22

71,680

ws2_helper.dll

6.3.9600.17477

30-Oct-2014

15:37

50,176

cleanupai.dll

6.3.9600.19985

4-Mar-2021

19:23

36,864

wdscore.dll

6.3.9600.19537

10-Oct-2019

18:41

208,384

CntrtextInstaller.dll

6.3.9600.19985

4-Mar-2021

19:27

128,000

drvstore.dll

6.3.9600.19537

10-Oct-2019

18:45

610,304

dpx.dll

6.3.9600.19537

10-Oct-2019

18:35

265,216

msdelta.dll

6.3.9600.19537

10-Oct-2019

18:42

398,336

mspatcha.dll

6.3.9600.19537

10-Oct-2019

18:46

36,864

cmiv2.dll

6.3.9600.19985

4-Mar-2021

20:00

2,257,408

cmiaisupport.dll

6.3.9600.19985

4-Mar-2021

19:20

2,162,688

cmitrust.dll

6.3.9600.19985

4-Mar-2021

19:24

286,720

WcmTypes.xsd

Not versioned

18-Jun-2013

6:06

1,047

CbsMsg.dll

6.3.9600.17477

30-Oct-2014

15:37

41,984

CbsCore.dll

6.3.9600.19985

4-Mar-2021

19:18

1,379,840

TiWorker.exe

6.3.9600.17477

30-Oct-2014

15:37

190,464

TiFileFetcher.exe

6.3.9600.19724

20-May-2020

2:57

355,328

DrUpdate.dll

6.3.9600.19537

10-Oct-2019

18:44

202,240

wrpint.dll

6.3.9600.19537

10-Oct-2019

18:35

56,320

wcp.dll

6.3.9600.19985

4-Mar-2021

19:26

2,408,960

cmiadapter.dll

6.3.9600.19985

4-Mar-2021

19:22

121,856

smiengine.dll

6.3.9600.19985

4-Mar-2021

19:11

750,080

smipi.dll

6.3.9600.19750

10-Jun-2020

19:42

59,904

poqexec.exe

6.3.9600.19724

20-May-2020

3:54

129,536

x86_installed

Not versioned

18-Jun-2013

5:26

9

bfsvc.dll

6.3.9600.19985

4-Mar-2021

19:19

74,240

timezoneai.dll

6.3.9600.19985

4-Mar-2021

19:26

86,528

GlobalInstallOrder.xml

Not versioned

18-Jun-2013

6:12

1,249,919

luainstall.dll

6.3.9600.19985

4-Mar-2021

19:24

43,008

fveupdateai.dll

6.3.9600.19985

4-Mar-2021

19:22

57,344

File name

File version

Date

Time

File size

httpai.dll

6.3.9600.19985

4-Mar-2021

19:39

57,856

peerdistai.dll

6.3.9600.19985

4-Mar-2021

19:39

72,192

PrintAdvancedInstaller.dll

6.3.9600.19985

4-Mar-2021

20:04

102,400

msdtcadvancedinstaller.dll

6.3.9600.19985

4-Mar-2021

19:38

257,536

netfxconfig.dll

6.3.9600.19985

4-Mar-2021

20:32

34,816

ConfigureIEOptionalComponentsAI.dll

6.3.9600.19985

4-Mar-2021

19:37

84,992

IEFileInstallAI.dll

6.3.9600.19985

4-Mar-2021

19:30

68,096

servicemodelregai.dll

6.3.9600.19985

4-Mar-2021

19:37

115,200

SetIEInstalledDateAI.dll

6.3.9600.19985

4-Mar-2021

19:39

51,712

ceipfwdai.dll

6.3.9600.19985

4-Mar-2021

19:32

228,352

bcdeditai.dll

6.3.9600.19985

4-Mar-2021

19:43

287,232

appxreg.dll

6.3.9600.19985

4-Mar-2021

20:19

14,848

RegisterIEPKeysAI.dll

6.3.9600.19985

4-Mar-2021

19:35

19,968

cmipnpinstall.dll

6.3.9600.19985

4-Mar-2021

20:29

248,832

appserverai.dll

6.3.9600.19985

4-Mar-2021

20:27

146,432

RDWebAI.dll

6.3.9600.19985

4-Mar-2021

19:59

140,288

tssdisai.dll

6.3.9600.19985

4-Mar-2021

19:56

155,648

VmHostAI.dll

6.3.9600.19985

4-Mar-2021

20:04

122,880

mofinstall.dll

6.3.9600.19985

4-Mar-2021

19:40

67,072

esscli.dll

6.3.9600.19402

24-Jun-2019

18:47

388,608

mofd.dll

6.3.9600.19985

4-Mar-2021

19:37

248,320

repdrvfs.dll

6.3.9600.17475

28-Oct-2014

17:31

350,208

fastprox.dll

6.3.9600.19402

24-Jun-2019

18:46

854,016

wbemcomn.dll

6.3.9600.19402

24-Jun-2019

18:49

453,632

wbemcore.dll

6.3.9600.19985

4-Mar-2021

19:36

1,148,928

wmiutils.dll

6.3.9600.17475

28-Oct-2014

17:34

111,104

wbemprox.dll

6.3.9600.17475

28-Oct-2014

17:33

35,840

wmicmiplugin.dll

6.3.9600.19985

4-Mar-2021

19:30

508,928

sppinst.dll

6.3.9600.19651

12-Feb-2020

20:53

769,024

cmifw.dll

6.3.9600.19985

4-Mar-2021

19:36

97,280

FirewallOfflineAPI.dll

6.3.9600.17475

28-Oct-2014

17:40

166,912

NetSetupAI.dll

6.3.9600.19985

4-Mar-2021

19:42

65,024

NetSetupApi.dll

6.3.9600.17475

28-Oct-2014

17:39

184,832

securebootai.dll

6.3.9600.19985

4-Mar-2021

19:42

38,912

winsockai.dll

6.3.9600.19985

4-Mar-2021

19:37

69,632

ws2_helper.dll

6.3.9600.17477

30-Oct-2014

15:33

62,976

cleanupai.dll

6.3.9600.19985

4-Mar-2021

19:39

33,280

wdscore.dll

6.3.9600.19402

24-Jun-2019

18:49

276,480

CntrtextInstaller.dll

6.3.9600.19985

4-Mar-2021

19:45

153,088

drvstore.dll

6.3.9600.19402

24-Jun-2019

18:54

744,960

dpx.dll

6.3.9600.19402

24-Jun-2019

18:38

345,088

msdelta.dll

6.3.9600.19402

24-Jun-2019

18:50

499,712

mspatcha.dll

6.3.9600.19402

24-Jun-2019

18:55

46,080

cmiv2.dll

6.3.9600.19985

4-Mar-2021

20:31

3,300,864

cmiaisupport.dll

6.3.9600.19985

4-Mar-2021

19:34

3,154,944

cmitrust.dll

6.3.9600.19985

4-Mar-2021

19:40

418,304

WcmTypes.xsd

Not versioned

18-Jun-2013

8:30

1,047

CbsMsg.dll

6.3.9600.17477

30-Oct-2014

15:33

42,496

CbsCore.dll

6.3.9600.19985

4-Mar-2021

19:30

1,606,656

TiWorker.exe

6.3.9600.17477

30-Oct-2014

15:33

193,024

TiFileFetcher.exe

6.3.9600.19651

12-Feb-2020

20:55

427,520

DrUpdate.dll

6.3.9600.19651

12-Feb-2020

21:06

246,784

wrpint.dll

6.3.9600.19402

24-Jun-2019

18:39

66,048

wcp.dll

6.3.9600.19985

4-Mar-2021

19:42

2,854,912

cmiadapter.dll

6.3.9600.19985

4-Mar-2021

19:37

139,264

smiengine.dll

6.3.9600.19985

4-Mar-2021

19:20

922,624

smipi.dll

6.3.9600.19750

10-Jun-2020

19:54

65,536

poqexec.exe

6.3.9600.19651

12-Feb-2020

22:03

146,432

amd64_installed

Not versioned

18-Jun-2013

7:49

9

bfsvc.dll

6.3.9600.19985

4-Mar-2021

19:33

76,800

timezoneai.dll

6.3.9600.19985

4-Mar-2021

19:43

101,888

GlobalInstallOrder.xml

Not versioned

18-Jun-2013

8:34

1,249,919

luainstall.dll

6.3.9600.19985

4-Mar-2021

19:40

53,248

fveupdateai.dll

6.3.9600.19985

4-Mar-2021

19:38

61,952

httpai.dll

6.3.9600.19985

4-Mar-2021

19:23

55,296

peerdistai.dll

6.3.9600.19985

4-Mar-2021

19:23

65,024

PrintAdvancedInstaller.dll

6.3.9600.19985

4-Mar-2021

19:40

99,328

msdtcadvancedinstaller.dll

6.3.9600.19985

4-Mar-2021

19:22

215,040

netfxconfig.dll

6.3.9600.19985

4-Mar-2021

20:01

40,448

ConfigureIEOptionalComponentsAI.dll

6.3.9600.19985

4-Mar-2021

19:22

76,800

IEFileInstallAI.dll

6.3.9600.19985

4-Mar-2021

19:18

66,560

servicemodelregai.dll

6.3.9600.19985

4-Mar-2021

19:22

96,768

SetIEInstalledDateAI.dll

6.3.9600.19985

4-Mar-2021

19:23

49,152

ceipfwdai.dll

6.3.9600.19985

4-Mar-2021

19:19

197,632

bcdeditai.dll

6.3.9600.19985

4-Mar-2021

19:25

271,360

appxreg.dll

6.3.9600.19985

4-Mar-2021

19:51

19,968

RegisterIEPKeysAI.dll

6.3.9600.19985

4-Mar-2021

19:21

23,040

cmipnpinstall.dll

6.3.9600.19985

4-Mar-2021

19:59

195,072

mofinstall.dll

6.3.9600.19985

4-Mar-2021

19:24

64,000

esscli.dll

6.3.9600.19402

24-Jun-2019

18:31

293,376

mofd.dll

6.3.9600.19985

4-Mar-2021

19:22

204,800

repdrvfs.dll

6.3.9600.17475

28-Oct-2014

17:13

276,992

fastprox.dll

6.3.9600.19402

24-Jun-2019

18:30

670,208

wbemcomn.dll

6.3.9600.19985

4-Mar-2021

19:23

386,048

wbemcore.dll

6.3.9600.19985

4-Mar-2021

19:21

925,696

wmiutils.dll

6.3.9600.17475

28-Oct-2014

17:14

90,624

wbemprox.dll

6.3.9600.17475

28-Oct-2014

17:14

29,696

wmicmiplugin.dll

6.3.9600.19985

4-Mar-2021

19:18

392,704

sppinst.dll

6.3.9600.19402

24-Jun-2019

18:25

646,656

cmifw.dll

6.3.9600.19985

4-Mar-2021

19:21

80,896

FirewallOfflineAPI.dll

6.3.9600.17475

28-Oct-2014

17:18

140,800

NetSetupAI.dll

6.3.9600.19985

4-Mar-2021

19:25

55,296

NetSetupApi.dll

6.3.9600.17475

28-Oct-2014

17:17

124,928

securebootai.dll

6.3.9600.19985

4-Mar-2021

19:25

43,008

winsockai.dll

6.3.9600.19985

4-Mar-2021

19:22

71,680

ws2_helper.dll

6.3.9600.17477

30-Oct-2014

15:37

50,176

cleanupai.dll

6.3.9600.19985

4-Mar-2021

19:23

36,864

wdscore.dll

6.3.9600.19402

24-Jun-2019

18:32

208,384

CntrtextInstaller.dll

6.3.9600.19985

4-Mar-2021

19:27

128,000

drvstore.dll

6.3.9600.19402

24-Jun-2019

18:35

610,304

dpx.dll

6.3.9600.19402

24-Jun-2019

18:25

265,216

msdelta.dll

6.3.9600.19402

24-Jun-2019

18:33

398,336

mspatcha.dll

6.3.9600.19402

24-Jun-2019

18:36

36,864

cmiv2.dll

6.3.9600.19985

4-Mar-2021

20:00

2,257,408

cmiaisupport.dll

6.3.9600.19985

4-Mar-2021

19:20

2,162,688

cmitrust.dll

6.3.9600.19985

4-Mar-2021

19:24

286,720

WcmTypes.xsd

Not versioned

18-Jun-2013

6:06

1,047

CbsMsg.dll

6.3.9600.17477

30-Oct-2014

15:37

41,984

CbsCore.dll

6.3.9600.19985

4-Mar-2021

19:18

1,379,840

TiWorker.exe

6.3.9600.17477

30-Oct-2014

15:37

190,464

TiFileFetcher.exe

6.3.9600.19651

12-Feb-2020

20:18

355,328

DrUpdate.dll

6.3.9600.19402

24-Jun-2019

18:34

202,240

wrpint.dll

6.3.9600.19402

24-Jun-2019

18:26

56,320

wcp.dll

6.3.9600.19985

4-Mar-2021

19:26

2,408,960

cmiadapter.dll

6.3.9600.19985

4-Mar-2021

19:22

121,856

smiengine.dll

6.3.9600.19985

4-Mar-2021

19:11

750,080

smipi.dll

6.3.9600.19750

10-Jun-2020

19:42

59,904

poqexec.exe

6.3.9600.19651

12-Feb-2020

21:06

129,536

x86_installed

Not versioned

18-Jun-2013

5:26

9

bfsvc.dll

6.3.9600.19985

4-Mar-2021

19:19

74,240

timezoneai.dll

6.3.9600.19985

4-Mar-2021

19:26

86,528

GlobalInstallOrder.xml

Not versioned

18-Jun-2013

6:12

1,249,919

luainstall.dll

6.3.9600.19985

4-Mar-2021

19:24

43,008

fveupdateai.dll

6.3.9600.19985

4-Mar-2021

19:22

57,344

References

For information about SSUs, see the following articles:

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

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

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