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More Information

Important

  • All security and nonsecurity updates for Windows Server 2012 R2, Windows 8.1, and Windows RT 8.1 require the installation of update KB 2919355. We recommend that you install update KB 2919355 on your Windows Server 2012 R2-based, Windows 8.1-based, or Windows RT 8.1-based computer so that you receive future updates.

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

  • This update applies to the Windows operating systems that are listed in the "Summary" section of this article. If you want to install the Adobe Flash Player update on an earlier version of Windows, try Adobe Flash Player download.

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Note For Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Update Catalog

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

Detection and deployment

Windows Server version 1803 and Windows 10 version 1803 file information

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows 10 Version 1709 and Windows Server Version 1709 file information


File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2 file information

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

Windows Server 2012 file information


File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows Server 2012 file information

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

Third-party information disclaimer

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4103729-X64.msu

93F26C793B05DEA7A32EB463B722478290BEF3FA

624B84C2AD058A3A41D44EA52D10D87A410DCF12F3E6614ACA9717ACF17D1689

Windows10.0-KB4103729-X86.msu

4190B66F8F1943B8DF21D00128620BF7C092D454

770BFEC74C28074CDE4B2212240AC4D535CA458F3E08320FE30788990DBB2928

Windows Server version 1803 and Windows 10 version 1803 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,330

01-May-2018

21:22

Not applicable

Flash.ocx

29.0.0.171

28,862,968

01-May-2018

21:22

x64

Flashutil_activex.dll

29.0.0.171

713,712

01-May-2018

21:22

x64

Flashutil_activex.exe

29.0.0.171

1,003,000

01-May-2018

21:22

x64

Activex.vch

Not applicable

753,818

01-May-2018

21:22

Not applicable

Flash.ocx

29.0.0.171

22,333,944

01-May-2018

21:22

x86

Flashplayerapp.exe

29.0.0.171

835,064

01-May-2018

21:22

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

01-May-2018

21:22

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

01-May-2018

21:22

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

01-May-2018

21:22

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,818

01-May-2018

21:22

Not applicable

Flash.ocx

29.0.0.171

22,333,944

01-May-2018

21:22

x86

Flashplayerapp.exe

29.0.0.171

835,064

01-May-2018

21:22

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

01-May-2018

21:22

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

01-May-2018

21:22

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

01-May-2018

21:22

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4103729-X64.msu

7A519A1AF109257C75E3C2E89790A4A02446A512

1A44CD62E614E4FF1CF7835BFA9246D1004CE1F34901DAEB239A26E90852DC05

Windows10.0-KB4103729-X86.msu

8D215BF40AD56A4D1A249F0D0EBE696C28B22BFE

873392D994BA414EC8A7CB8AB97FF1ACF7CFD22D98AB4AAF41E4A68293DE263D

Windows10.0-KB4103729-ARM64.msu

76BDCEA07DFACBF50FF98251F406A9E295701AA5

DDB7D66289D3F9003A87903ED75FCFF3FA7E0DA91FF68C86C1D9DD9E316D18CC

Windows 10 Version 1709 and Windows Server Version 1709 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,330

01-May-2018

21:25

Not applicable

Flash.ocx

29.0.0.171

28,862,968

01-May-2018

21:25

x64

Flashutil_activex.dll

29.0.0.171

713,712

01-May-2018

21:25

x64

Flashutil_activex.exe

29.0.0.171

1,003,000

01-May-2018

21:25

x64

Activex.vch

Not applicable

753,818

01-May-2018

21:25

Not applicable

Flash.ocx

29.0.0.171

22,333,944

01-May-2018

21:25

x86

Flashplayerapp.exe

29.0.0.171

835,064

01-May-2018

21:25

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

01-May-2018

21:25

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

01-May-2018

21:25

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

01-May-2018

21:25

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,818

01-May-2018

21:25

Not applicable

Flash.ocx

29.0.0.171

22,333,944

01-May-2018

21:25

x86

Flashplayerapp.exe

29.0.0.171

835,064

01-May-2018

21:25

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

01-May-2018

21:25

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

01-May-2018

21:25

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

01-May-2018

21:25

x86

For all supported ARM-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,818

01-May-2018

21:25

Not applicable

Flash.ocx

29.0.0.171

22,333,944

01-May-2018

21:25

x86

Flashplayerapp.exe

29.0.0.171

835,064

01-May-2018

21:25

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

01-May-2018

21:25

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

01-May-2018

21:25

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

01-May-2018

21:25

x86

Windows 10 Version 1703 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4103729-X64.msu

94DE7EAEE6B8564DE37F01D396F532E58466E1D8

C37DEBDBA477F9D3F36A53252A2E98D13B82E155F60FE23CB760716D51F9687F

Windows10.0-KB4103729-X86.msu

2F84F8DAF58F0AAF5718180D9FE5344AF3CF2AF8

234D02CFE8F2EED5B043CB983DF384C1F4E53CF4E9C726CB113AEE8B3774DC9C

Windows 10 Version 1703 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,330

30-Apr-2018

22:45

Not applicable

Flash.ocx

29.0.0.171

28,862,968

30-Apr-2018

22:45

x64

Flashutil_activex.dll

29.0.0.171

713,712

30-Apr-2018

22:45

x64

Flashutil_activex.exe

29.0.0.171

1,003,000

30-Apr-2018

22:45

x64

Activex.vch

Not applicable

753,818

30-Apr-2018

22:45

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:45

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:45

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:45

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:45

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:45

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,818

30-Apr-2018

22:45

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:45

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:45

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:45

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:45

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:45

x86

Windows 10 Version 1607 and Windows Server 2016 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4103729-X64.msu

589CD6623362DA3A7601F41F57415281001D0005

475419B70EC52094449D7B55DE405B50B77524E9947387F6F11144E28009EA22

Windows10.0-KB4103729-X86.msu

DEBD2834047CF8792AE4E5BF78909B75678CB12B

806B43D2B8D2ECC4BD1E424BF35C93215633DD7E4D5841D9F78ADF07812F4DF1

Windows 10 Version 1607 and Windows Server 2016 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,330

30-Apr-2018

22:43

Not applicable

Flash.ocx

29.0.0.171

28,862,968

30-Apr-2018

22:43

x64

Flashutil_activex.dll

29.0.0.171

713,712

30-Apr-2018

22:43

x64

Flashutil_activex.exe

29.0.0.171

1,003,000

30-Apr-2018

22:43

x64

Activex.vch

Not applicable

753,818

30-Apr-2018

22:43

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:43

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:43

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:43

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:43

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:43

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,818

30-Apr-2018

22:43

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:43

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:43

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:43

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:43

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:43

x86

Windows 10 (RTM) file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4103729-X64.msu

1B6ED03F285C11AD1A50AE024A7B2D4C9999DB47

D927F6C820EE14DAEA9643748B674ABD19994220BAD425C2A57140EA6A645FC9

Windows10.0-KB4103729-X86.msu

D46B27EA5DABAC770DAD9C576C9CD609F96244A3

A13095FCA0AE1C20B2ED9E4C6EB151F525D6A3A93B5E71BE2DC0CEA1D2BED9A5

Windows 10 (RTM) file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,330

30-Apr-2018

22:40

Not applicable

Flash.ocx

29.0.0.171

28,862,968

30-Apr-2018

22:40

x64

Flashutil_activex.dll

29.0.0.171

713,712

30-Apr-2018

22:40

x64

Flashutil_activex.exe

29.0.0.171

1,003,000

30-Apr-2018

22:40

x64

Activex.vch

Not applicable

753,818

30-Apr-2018

22:40

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:40

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:40

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:40

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:40

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:40

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,818

30-Apr-2018

22:40

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:40

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:40

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:40

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:40

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:40

x86

Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows8.1-KB4103729-X64.msu

B4A6A1EC8B79C781385A8909C3051BCC0C7CAE98

40365E0F85C7A3D05070621207295702374C5589870ABA256C5AFFFD8CE8314A

Windows8.1-KB4103729-ARM.msu

169E1DCEAD6D08118AADD653A30A71EF4E823EBF

CFDD4E7C15A172A8CBCD4EC43BCD5C6A85296DBB494261A660E1CF7A59C8E2C4

Windows8.1-KB4103729-X86.msu

A01D3161B852713E9BE7DDB248D9082E2BCC651C

1D235B779CBA9D0954E2AF1E79393254482E0D7D9A030A4A6622D9F6E0A4B16E

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,330

30-Apr-2018

22:39

Not applicable

Flash.ocx

29.0.0.171

28,862,968

30-Apr-2018

22:39

x64

Flashutil_activex.dll

29.0.0.171

713,712

30-Apr-2018

22:39

x64

Flashutil_activex.exe

29.0.0.171

1,003,000

30-Apr-2018

22:39

x64

Activex.vch

Not applicable

753,818

30-Apr-2018

22:38

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:39

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:39

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:39

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:39

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:39

x86

For all supported ARM-based versions

File name

File version

File size

Date

Time

Platform

Flash.ocx

29.0.0.171

19,042,296

30-Apr-2018

22:39

Not applicable

Flashplayerapp.exe

29.0.0.171

814,584

30-Apr-2018

22:39

Not applicable

Flashplayercplapp.cpl

29.0.0.171

164,856

30-Apr-2018

22:39

Not applicable

Flashutil_activex.dll

29.0.0.171

551,928

30-Apr-2018

22:39

Not applicable

Flashutil_activex.exe

29.0.0.171

877,048

30-Apr-2018

22:39

Not applicable

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,818

30-Apr-2018

22:38

Not applicable

Flash.ocx

29.0.0.171

22,333,944

30-Apr-2018

22:39

x86

Flashplayerapp.exe

29.0.0.171

835,064

30-Apr-2018

22:39

x86

Flashplayercplapp.cpl

29.0.0.171

179,704

30-Apr-2018

22:39

Not applicable

Flashutil_activex.dll

29.0.0.171

629,240

30-Apr-2018

22:39

x86

Flashutil_activex.exe

29.0.0.171

1,440,752

30-Apr-2018

22:39

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows8-RT-KB4103729-X64.msu

824612D54AF233382AF1EBC6A9BB6882A01C6108

7BCC29E6A42AC95681406DF4D4BADCE585527BA5E6B1771DE0C1683E1C359F2F

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,330

30-Apr-2018

22:31

Not applicable

Flash.ocx

29.0.0.171

28,862,408

30-Apr-2018

22:31

x64

Flashutil_activex.dll

29.0.0.171

713,160

30-Apr-2018

22:31

x64

Flashutil_activex.exe

29.0.0.171

1,002,440

30-Apr-2018

22:31

x64

Activex.vch

Not applicable

753,818

30-Apr-2018

22:31

Not applicable

Flash.ocx

29.0.0.171

22,333,384

30-Apr-2018

22:31

x86

Flashplayerapp.exe

29.0.0.171

834,504

30-Apr-2018

22:31

x86

Flashplayercplapp.cpl

29.0.0.171

179,144

30-Apr-2018

22:31

Not applicable

Flashutil_activex.dll

29.0.0.171

628,680

30-Apr-2018

22:31

x86

Flashutil_activex.exe

29.0.0.171

1,440,200

30-Apr-2018

22:31

x86

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