This article describes an update in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2. Before you install this update, check out the Prerequisites section.

About this update

This update adds support for USB Type-C billboard.

This update also fixes an issue in which a Kingston thumb drive keeps enumerating indefinitely when it's inserted into the right ports on an HP ProBook device.

How to get this update

Method 1: Windows Update

This update is provided as a Recommended update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating system

Update

All supported x86-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows Server 2012 R2

Download Download the package now.

Note The update for Windows RT 8.1 can be downloaded only from Windows Update.

For more information about how to download Microsoft support files, select the following article number to view the article in the Microsoft Knowledge Base:

119591 How to get Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Update detail information

Prerequisites

To apply this update, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows Server 2012 R2.

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.

References

See the terminology that Microsoft uses to describe software updates.

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 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). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

Notes

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.18 xxx

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

    RTM

    GDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes aren't listed, are signed with a Microsoft digital signature.

Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Usbhub3.sys

6.3.9600.18088

363,872

11-Oct-2015

06:45

Not applicable

Usbd.sys

6.3.9600.18088

25,440

11-Oct-2015

06:45

Not applicable

Usbehci.sys

6.3.9600.18088

73,064

11-Oct-2015

06:45

Not applicable

Usbhub.sys

6.3.9600.18088

321,888

11-Oct-2015

06:45

Not applicable

Usbport.sys

6.3.9600.18088

369,504

11-Oct-2015

06:45

Not applicable

Winusb.sys

6.3.9600.18088

57,856

10-Oct-2015

17:30

Not applicable

x86 Windows 8.1

File name

File version

File size

Date

Time

Platform

Usbhub3.sys

6.3.9600.18088

377,176

11-Oct-2015

06:39

x86

Usbd.sys

6.3.9600.18088

23,896

11-Oct-2015

06:39

x86

Usbehci.sys

6.3.9600.18088

74,584

11-Oct-2015

06:39

x86

Usbhub.sys

6.3.9600.18088

378,712

11-Oct-2015

06:39

x86

Usbohci.sys

6.3.9600.18088

22,016

10-Oct-2015

17:36

x86

Usbport.sys

6.3.9600.18088

382,808

11-Oct-2015

06:39

x86

Usbuhci.sys

6.3.9600.18088

26,112

10-Oct-2015

17:36

x86

Winusb.sys

6.3.9600.18088

62,976

10-Oct-2015

17:35

x86

x64 Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Usbhub3.sys

6.3.9600.18088

468,824

11-Oct-2015

06:34

x64

Usbd.sys

6.3.9600.18088

27,992

11-Oct-2015

06:34

x64

Usbehci.sys

6.3.9600.18088

92,504

11-Oct-2015

06:34

x64

Usbhub.sys

6.3.9600.18088

462,168

11-Oct-2015

06:34

x64

Usbohci.sys

6.3.9600.18088

30,208

10-Oct-2015

18:41

x64

Usbport.sys

6.3.9600.18088

443,224

11-Oct-2015

06:34

x64

Usbuhci.sys

6.3.9600.18088

37,376

10-Oct-2015

18:41

x64

Winusb.sys

6.3.9600.18088

78,848

10-Oct-2015

18:40

x64


Windows RT 8.1

File property

Value

File name

Arm_usbhub3.inf_31bf3856ad364e35_6.3.9600.18088_none_8a8684cd68992196.manifest

File version

Not applicable

File size

2,285

Date (UTC)

11-Oct-2015

Time (UTC)

06:52

Platform

Not applicable

File name

Arm_usbport.inf_31bf3856ad364e35_6.3.9600.18088_none_526864381f20f683.manifest

File version

Not applicable

File size

4,538

Date (UTC)

11-Oct-2015

Time (UTC)

06:52

Platform

Not applicable

File name

Arm_winusb.inf_31bf3856ad364e35_6.3.9600.18088_none_8c9ae94b3134af7e.manifest

File version

Not applicable

File size

2,098

Date (UTC)

10-Oct-2015

Time (UTC)

18:16

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,009

Date (UTC)

11-Oct-2015

Time (UTC)

06:52

Platform

Not applicable

x86 Windows 8.1

File property

Value

File name

Update.mum

File version

Not applicable

File size

2,009

Date (UTC)

11-Oct-2015

Time (UTC)

06:52

Platform

Not applicable

File name

X86_usbhub3.inf_31bf3856ad364e35_6.3.9600.18088_none_8a841275689c02d0.manifest

File version

Not applicable

File size

2,285

Date (UTC)

11-Oct-2015

Time (UTC)

06:56

Platform

Not applicable

File name

X86_usbport.inf_31bf3856ad364e35_6.3.9600.18088_none_5265f1e01f23d7bd.manifest

File version

Not applicable

File size

6,164

Date (UTC)

11-Oct-2015

Time (UTC)

06:56

Platform

Not applicable

File name

X86_winusb.inf_31bf3856ad364e35_6.3.9600.18088_none_8c9876f3313790b8.manifest

File version

Not applicable

File size

2,098

Date (UTC)

10-Oct-2015

Time (UTC)

19:04

Platform

Not applicable

x64 Windows 8.1 and Windows Server 2012 R2

File property

Value

File name

Amd64_usbhub3.inf_31bf3856ad364e35_6.3.9600.18088_none_e6a2adf920f97406.manifest

File version

Not applicable

File size

2,289

Date (UTC)

11-Oct-2015

Time (UTC)

06:59

Platform

Not applicable

File name

Amd64_usbport.inf_31bf3856ad364e35_6.3.9600.18088_none_ae848d63d78148f3.manifest

File version

Not applicable

File size

6,168

Date (UTC)

11-Oct-2015

Time (UTC)

06:59

Platform

Not applicable

File name

Amd64_winusb.inf_31bf3856ad364e35_6.3.9600.18088_none_e8b71276e99501ee.manifest

File version

Not applicable

File size

2,102

Date (UTC)

10-Oct-2015

Time (UTC)

20:05

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,669

Date (UTC)

11-Oct-2015

Time (UTC)

06:52

Platform

Not applicable


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