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 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.

Important You must restart your device after installing all the required updates and before installing any Monthly Rollup, Security-only update, or Preview of Monthly Rollup.

Restart information 

You don't have to restart your computer after you apply this update.  

Update replacement information 

This update replaces the previously released update KB4531786.

File Information


File attributes

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.

File verification

File hash information

File name

SHA1 hash

SHA256 hash

Windows6.1-KB4536952-x86.msu

F3B49481187651F64F13A0369C86AD7CAA83B190

F7677D62A82258B74EDCD0583DC7B6833CF560AE482F14E758BB6738B3655EC4

Windows6.1-KB4536952-x64.msu

87F81056110003107FA0E0EC35A3B600EF300A14

CE902E3CA99D912E6CEB2F20F6051094B9EBE555440959A52FFD201607ED8084

Windows6.1-KB4536952-ia64.msu

0CCEB4EE4DC24129B5903DD249DBA82050D14E9A

205E6374BBB64027BCCF1FA5AB99E3D03A348C2F0BFFBC9FBDB619BEF266EE7D

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Apds.dll

6.1.7601.24544

1,798,144

31-Dec-2019

03:10

x86

Apircl.dll

6.1.7601.24544

223,744

31-Dec-2019

03:10

x86

Apss.dll

6.1.7601.24544

201,216

31-Dec-2019

03:10

x86

Cbscore.dll

6.1.7601.24544

845,824

31-Dec-2019

03:09

x86

Cbsmsg.dll

6.1.7601.24544

28,672

31-Dec-2019

02:40

x86

Cmiadapter.dll

6.1.7601.24544

120,320

31-Dec-2019

03:09

x86

Cmitrust.dll

6.1.7601.24544

296,960

31-Dec-2019

03:09

x86

Cmiv2.dll

6.1.7601.24544

2,040,832

31-Dec-2019

03:09

x86

Cntrtextinstaller.dll

6.1.7601.24544

143,872

31-Dec-2019

03:09

x86

Dpx.dll

6.1.7601.24544

257,024

31-Dec-2019

03:09

x86

Drupdate.dll

6.1.7601.24544

174,080

31-Dec-2019

03:09

x86

Drvstore.dll

6.1.7601.24544

323,584

31-Dec-2019

03:09

x86

Esscli.dll

6.1.7601.24544

266,240

31-Dec-2019

03:09

x86

Extendedsecurityupdatesai.dll

6.1.7601.24544

86,016

31-Dec-2019

02:39

x86

Fastprox.dll

6.1.7601.24544

606,720

31-Dec-2019

03:09

x86

Globalinstallorder.xml

Not applicable

1,973,556

26-Nov-2019

20:21

Not applicable

Helpcins.dll

6.1.7601.24544

105,472

31-Dec-2019

03:09

x86

Locdrv.dll

6.1.7601.24544

229,888

31-Dec-2019

03:10

x86

Mofd.dll

6.1.7601.24544

192,000

31-Dec-2019

03:10

x86

Mofinstall.dll

6.1.7601.24544

58,880

31-Dec-2019

03:10

x86

Msdelta.dll

6.1.7601.24544

305,664

31-Dec-2019

03:10

x86

Mspatcha.dll

6.1.7601.24544

35,328

31-Dec-2019

03:10

x86

Oemhelpins.dll

6.1.7601.24544

151,040

31-Dec-2019

03:10

x86

Pkgmgr.exe

6.1.7601.24544

209,920

31-Dec-2019

02:40

x86

Poqexec.exe

6.1.7601.24544

123,904

31-Dec-2019

02:40

x86

Repdrvfs.dll

6.1.7601.24544

302,080

31-Dec-2019

03:10

x86

Smiengine.dll

6.1.7601.24544

697,344

31-Dec-2019

03:10

x86

Smipi.dll

6.1.7601.24544

98,816

31-Dec-2019

03:10

x86

Svcini.exe

6.1.7601.24544

16,384

31-Dec-2019

02:40

x86

Wbemcomn.dll

6.1.7601.24544

363,520

31-Dec-2019

03:10

x86

Wbemcore.dll

6.1.7601.24544

780,288

31-Dec-2019

03:10

x86

Wbemprox.dll

6.1.7601.24544

29,184

31-Dec-2019

03:10

x86

Wcmtypes.xsd

Not applicable

1,047

26-Nov-2019

21:19

Not applicable

Wcp.dll

6.1.7601.24544

1,913,344

31-Dec-2019

03:10

x86

Wdscore.dll

6.1.7601.24544

190,464

31-Dec-2019

03:10

x86

Wmicmiplugin.dll

6.1.7601.24544

351,744

31-Dec-2019

03:10

x86

Wmiutils.dll

6.1.7601.24544

85,504

31-Dec-2019

03:10

x86

Wrpint.dll

6.1.7601.24544

54,272

31-Dec-2019

02:38

x86

Xmllite.dll

1.3.1001.0

180,736

31-Dec-2019

03:10

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Apds.dll

6.1.7601.24544

2,172,928

31-Dec-2019

03:06

x64

Apircl.dll

6.1.7601.24544

276,480

31-Dec-2019

03:06

x64

Apss.dll

6.1.7601.24544

235,520

31-Dec-2019

03:06

x64

Cbscore.dll

6.1.7601.24544

976,896

31-Dec-2019

03:05

x64

Cbsmsg.dll

6.1.7601.24544

28,672

31-Dec-2019

03:05

x64

Cmiadapter.dll

6.1.7601.24544

125,952

31-Dec-2019

03:05

x64

Cmitrust.dll

6.1.7601.24544

479,232

31-Dec-2019

03:05

x64

Cmiv2.dll

6.1.7601.24544

3,739,136

31-Dec-2019

03:05

x64

Cntrtextinstaller.dll

6.1.7601.24544

170,496

31-Dec-2019

03:05

x64

Dpx.dll

6.1.7601.24544

399,872

31-Dec-2019

03:05

x64

Drupdate.dll

6.1.7601.24544

204,288

31-Dec-2019

03:05

x64

Drvstore.dll

6.1.7601.24544

423,936

31-Dec-2019

03:05

x64

Esscli.dll

6.1.7601.24544

440,320

31-Dec-2019

03:05

x64

Extendedsecurityupdatesai.dll

6.1.7601.24544

98,816

31-Dec-2019

02:32

x64

Fastprox.dll

6.1.7601.24544

909,824

31-Dec-2019

03:05

x64

Globalinstallorder.xml

Not applicable

1,973,556

18-Nov-2018

02:41

Not applicable

Helpcins.dll

6.1.7601.24544

142,336

31-Dec-2019

03:05

x64

Locdrv.dll

6.1.7601.24544

370,176

31-Dec-2019

03:06

x64

Mofd.dll

6.1.7601.24544

278,528

31-Dec-2019

03:06

x64

Mofinstall.dll

6.1.7601.24544

76,288

31-Dec-2019

03:06

x64

Msdelta.dll

6.1.7601.24544

452,096

31-Dec-2019

03:06

x64

Mspatcha.dll

6.1.7601.24544

46,592

31-Dec-2019

03:06

x64

Oemhelpins.dll

6.1.7601.24544

222,208

31-Dec-2019

03:06

x64

Pkgmgr.exe

6.1.7601.24544

199,168

31-Dec-2019

02:32

x64

Poqexec.exe

6.1.7601.24544

142,336

31-Dec-2019

02:32

x64

Repdrvfs.dll

6.1.7601.24544

454,144

31-Dec-2019

03:06

x64

Smiengine.dll

6.1.7601.24544

933,376

31-Dec-2019

03:06

x64

Smipi.dll

6.1.7601.24544

104,448

31-Dec-2019

03:06

x64

Svcini.exe

6.1.7601.24544

17,920

31-Dec-2019

02:32

x64

Wbemcomn.dll

6.1.7601.24544

529,920

31-Dec-2019

03:06

x64

Wbemcore.dll

6.1.7601.24544

1,225,216

31-Dec-2019

03:06

x64

Wbemprox.dll

6.1.7601.24544

43,520

31-Dec-2019

03:06

x64

Wcmtypes.xsd

Not applicable

1,047

18-Nov-2018

02:57

Not applicable

Wcp.dll

6.1.7601.24544

2,762,752

31-Dec-2019

03:06

x64

Wdscore.dll

6.1.7601.24544

271,872

31-Dec-2019

03:06

x64

Wmicmiplugin.dll

6.1.7601.24544

525,824

31-Dec-2019

03:06

x64

Wmiutils.dll

6.1.7601.24544

137,216

31-Dec-2019

03:06

x64

Wrpint.dll

6.1.7601.24544

60,928

31-Dec-2019

03:06

x64

Xmllite.dll

1.3.1001.0

198,656

31-Dec-2019

03:06

x64

Apds.dll

6.1.7601.24544

1,798,144

31-Dec-2019

03:10

x86

Apircl.dll

6.1.7601.24544

223,744

31-Dec-2019

03:10

x86

Apss.dll

6.1.7601.24544

201,216

31-Dec-2019

03:10

x86

Cbscore.dll

6.1.7601.24544

845,824

31-Dec-2019

03:09

x86

Cbsmsg.dll

6.1.7601.24544

28,672

31-Dec-2019

02:40

x86

Cmiadapter.dll

6.1.7601.24544

120,320

31-Dec-2019

03:09

x86

Cmitrust.dll

6.1.7601.24544

296,960

31-Dec-2019

03:09

x86

Cmiv2.dll

6.1.7601.24544

2,040,832

31-Dec-2019

03:09

x86

Cntrtextinstaller.dll

6.1.7601.24544

143,872

31-Dec-2019

03:09

x86

Dpx.dll

6.1.7601.24544

257,024

31-Dec-2019

03:09

x86

Drupdate.dll

6.1.7601.24544

174,080

31-Dec-2019

03:09

x86

Drvstore.dll

6.1.7601.24544

323,584

31-Dec-2019

03:09

x86

Esscli.dll

6.1.7601.24544

266,240

31-Dec-2019

03:09

x86

Extendedsecurityupdatesai.dll

6.1.7601.24544

86,016

31-Dec-2019

02:39

x86

Fastprox.dll

6.1.7601.24544

606,720

31-Dec-2019

03:09

x86

Globalinstallorder.xml

Not applicable

1,973,556

26-Nov-2019

20:21

Not applicable

Helpcins.dll

6.1.7601.24544

105,472

31-Dec-2019

03:09

x86

Locdrv.dll

6.1.7601.24544

229,888

31-Dec-2019

03:10

x86

Mofd.dll

6.1.7601.24544

192,000

31-Dec-2019

03:10

x86

Mofinstall.dll

6.1.7601.24544

58,880

31-Dec-2019

03:10

x86

Msdelta.dll

6.1.7601.24544

305,664

31-Dec-2019

03:10

x86

Mspatcha.dll

6.1.7601.24544

35,328

31-Dec-2019

03:10

x86

Oemhelpins.dll

6.1.7601.24544

151,040

31-Dec-2019

03:10

x86

Pkgmgr.exe

6.1.7601.24544

209,920

31-Dec-2019

02:40

x86

Poqexec.exe

6.1.7601.24544

123,904

31-Dec-2019

02:40

x86

Repdrvfs.dll

6.1.7601.24544

302,080

31-Dec-2019

03:10

x86

Smiengine.dll

6.1.7601.24544

697,344

31-Dec-2019

03:10

x86

Smipi.dll

6.1.7601.24544

98,816

31-Dec-2019

03:10

x86

Svcini.exe

6.1.7601.24544

16,384

31-Dec-2019

02:40

x86

Wbemcomn.dll

6.1.7601.24544

363,520

31-Dec-2019

03:10

x86

Wbemcore.dll

6.1.7601.24544

780,288

31-Dec-2019

03:10

x86

Wbemprox.dll

6.1.7601.24544

29,184

31-Dec-2019

03:10

x86

Wcmtypes.xsd

Not applicable

1,047

26-Nov-2019

21:19

Not applicable

Wcp.dll

6.1.7601.24544

1,913,344

31-Dec-2019

03:10

x86

Wdscore.dll

6.1.7601.24544

190,464

31-Dec-2019

03:10

x86

Wmicmiplugin.dll

6.1.7601.24544

351,744

31-Dec-2019

03:10

x86

Wmiutils.dll

6.1.7601.24544

85,504

31-Dec-2019

03:10

x86

Wrpint.dll

6.1.7601.24544

54,272

31-Dec-2019

02:38

x86

Xmllite.dll

1.3.1001.0

180,736

31-Dec-2019

03:10

x86

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Apds.dll

6.1.7601.24544

3,342,336

31-Dec-2019

02:52

IA-64

Apircl.dll

6.1.7601.24544

752,128

31-Dec-2019

02:52

IA-64

Apss.dll

6.1.7601.24544

560,128

31-Dec-2019

02:52

IA-64

Cbscore.dll

6.1.7601.24544

1,837,056

31-Dec-2019

02:51

IA-64

Cbsmsg.dll

6.1.7601.24544

40,448

31-Dec-2019

02:51

IA-64

Cmiadapter.dll

6.1.7601.24544

284,672

31-Dec-2019

02:51

IA-64

Cmitrust.dll

6.1.7601.24544

987,136

31-Dec-2019

02:51

IA-64

Cmiv2.dll

6.1.7601.24544

6,536,192

31-Dec-2019

02:51

IA-64

Cntrtextinstaller.dll

6.1.7601.24544

357,376

31-Dec-2019

02:51

IA-64

Dpx.dll

6.1.7601.24544

770,560

31-Dec-2019

02:51

IA-64

Drupdate.dll

6.1.7601.24544

390,656

31-Dec-2019

02:51

IA-64

Drvstore.dll

6.1.7601.24544

742,912

31-Dec-2019

02:51

IA-64

Esscli.dll

6.1.7601.24544

1,011,200

31-Dec-2019

02:51

IA-64

Extendedsecurityupdatesai.dll

6.1.7601.24544

209,408

31-Dec-2019

02:26

IA-64

Fastprox.dll

6.1.7601.24544

2,100,224

31-Dec-2019

02:51

IA-64

Globalinstallorder.xml

Not applicable

1,973,556

18-Nov-2018

02:41

Not applicable

Helpcins.dll

6.1.7601.24544

187,904

31-Dec-2019

02:51

IA-64

Locdrv.dll

6.1.7601.24544

803,328

31-Dec-2019

02:52

IA-64

Mofd.dll

6.1.7601.24544

643,584

31-Dec-2019

02:51

IA-64

Mofinstall.dll

6.1.7601.24544

193,024

31-Dec-2019

02:51

IA-64

Msdelta.dll

6.1.7601.24544

890,880

31-Dec-2019

02:51

IA-64

Mspatcha.dll

6.1.7601.24544

111,104

31-Dec-2019

02:51

IA-64

Oemhelpins.dll

6.1.7601.24544

420,352

31-Dec-2019

02:52

IA-64

Pkgmgr.exe

6.1.7601.24544

334,848

31-Dec-2019

02:26

IA-64

Poqexec.exe

6.1.7601.24544

272,384

31-Dec-2019

02:26

IA-64

Repdrvfs.dll

6.1.7601.24544

1,067,520

31-Dec-2019

02:52

IA-64

Smiengine.dll

6.1.7601.24544

1,953,792

31-Dec-2019

02:52

IA-64

Smipi.dll

6.1.7601.24544

186,880

31-Dec-2019

02:52

IA-64

Svcini.exe

6.1.7601.24544

41,984

31-Dec-2019

02:26

IA-64

Wbemcomn.dll

6.1.7601.24544

1,005,056

31-Dec-2019

02:52

IA-64

Wbemcore.dll

6.1.7601.24544

2,959,872

31-Dec-2019

02:52

IA-64

Wbemprox.dll

6.1.7601.24544

102,912

31-Dec-2019

02:52

IA-64

Wcmtypes.xsd

Not applicable

1,047

18-Nov-2018

02:59

Not applicable

Wcp.dll

6.1.7601.24544

5,137,408

31-Dec-2019

02:52

IA-64

Wdscore.dll

6.1.7601.24544

600,576

31-Dec-2019

02:52

IA-64

Wmicmiplugin.dll

6.1.7601.24544

940,544

31-Dec-2019

02:52

IA-64

Wmiutils.dll

6.1.7601.24544

273,408

31-Dec-2019

02:52

IA-64

Wrpint.dll

6.1.7601.24544

128,000

31-Dec-2019

02:52

IA-64

Xmllite.dll

1.3.1001.0

449,024

31-Dec-2019

02:52

IA-64

Apds.dll

6.1.7601.24544

1,798,144

31-Dec-2019

03:10

x86

Apircl.dll

6.1.7601.24544

223,744

31-Dec-2019

03:10

x86

Apss.dll

6.1.7601.24544

201,216

31-Dec-2019

03:10

x86

Cbscore.dll

6.1.7601.24544

845,824

31-Dec-2019

03:09

x86

Cbsmsg.dll

6.1.7601.24544

28,672

31-Dec-2019

02:40

x86

Cmiadapter.dll

6.1.7601.24544

120,320

31-Dec-2019

03:09

x86

Cmitrust.dll

6.1.7601.24544

296,960

31-Dec-2019

03:09

x86

Cmiv2.dll

6.1.7601.24544

2,040,832

31-Dec-2019

03:09

x86

Cntrtextinstaller.dll

6.1.7601.24544

143,872

31-Dec-2019

03:09

x86

Dpx.dll

6.1.7601.24544

257,024

31-Dec-2019

03:09

x86

Drupdate.dll

6.1.7601.24544

174,080

31-Dec-2019

03:09

x86

Drvstore.dll

6.1.7601.24544

323,584

31-Dec-2019

03:09

x86

Esscli.dll

6.1.7601.24544

266,240

31-Dec-2019

03:09

x86

Extendedsecurityupdatesai.dll

6.1.7601.24544

86,016

31-Dec-2019

02:39

x86

Fastprox.dll

6.1.7601.24544

606,720

31-Dec-2019

03:09

x86

Globalinstallorder.xml

Not applicable

1,973,556

26-Nov-2019

20:21

Not applicable

Helpcins.dll

6.1.7601.24544

105,472

31-Dec-2019

03:09

x86

Locdrv.dll

6.1.7601.24544

229,888

31-Dec-2019

03:10

x86

Mofd.dll

6.1.7601.24544

192,000

31-Dec-2019

03:10

x86

Mofinstall.dll

6.1.7601.24544

58,880

31-Dec-2019

03:10

x86

Msdelta.dll

6.1.7601.24544

305,664

31-Dec-2019

03:10

x86

Mspatcha.dll

6.1.7601.24544

35,328

31-Dec-2019

03:10

x86

Oemhelpins.dll

6.1.7601.24544

151,040

31-Dec-2019

03:10

x86

Pkgmgr.exe

6.1.7601.24544

209,920

31-Dec-2019

02:40

x86

Poqexec.exe

6.1.7601.24544

123,904

31-Dec-2019

02:40

x86

Repdrvfs.dll

6.1.7601.24544

302,080

31-Dec-2019

03:10

x86

Smiengine.dll

6.1.7601.24544

697,344

31-Dec-2019

03:10

x86

Smipi.dll

6.1.7601.24544

98,816

31-Dec-2019

03:10

x86

Svcini.exe

6.1.7601.24544

16,384

31-Dec-2019

02:40

x86

Wbemcomn.dll

6.1.7601.24544

363,520

31-Dec-2019

03:10

x86

Wbemcore.dll

6.1.7601.24544

780,288

31-Dec-2019

03:10

x86

Wbemprox.dll

6.1.7601.24544

29,184

31-Dec-2019

03:10

x86

Wcmtypes.xsd

Not applicable

1,047

26-Nov-2019

21:19

Not applicable

Wcp.dll

6.1.7601.24544

1,913,344

31-Dec-2019

03:10

x86

Wdscore.dll

6.1.7601.24544

190,464

31-Dec-2019

03:10

x86

Wmicmiplugin.dll

6.1.7601.24544

351,744

31-Dec-2019

03:10

x86

Wmiutils.dll

6.1.7601.24544

85,504

31-Dec-2019

03:10

x86

Wrpint.dll

6.1.7601.24544

54,272

31-Dec-2019

02:38

x86

Xmllite.dll

1.3.1001.0

180,736

31-Dec-2019

03:10

x86

References

For information on SSUs, see the following articles:

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

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×