This article describes an issue that occurs when you resume a computer from sleep mode in Windows 8.1 or Windows Server 2012 R2. You can resolve this issue by using the update or hotfix in this article. Before you install this update or hotfix, check out the Prerequisites section.

Symptoms

This issue occurs on an Advanced Micro Devices (AMD) Carrizo processor-based computer that is running Windows 8.1 or Windows Server 2012 R2.

How to obtain this update or hotfix

To resolve this issue, we have released an update through Windows Update and Microsoft Download Center. We also have released a hotfix. Even though this issue has only been observed in Windows 8.1 or Windows Server 2012 R2, the update or hotfix also applies to Windows RT 8.1.

Important Do not install a language pack after you install this update or hotfix. If you do, the language-specific changes in the update or hotfix will not be applied, and you will have to reinstall the update or hotfix. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is provided as an Optional update from 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 obtained only from Windows Update.

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

119591 How to obtain 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.

Method 3: Hotfix package for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Update or hotfix detail information

Prerequisites

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

Registry information

To apply this update or hotfix, you do not have to make any changes to the registry.

Restart requirement

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

Update or hotfix replacement information

This update or hotfix does not replace a previously released update or hotfix.

The global version of this update or hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.

Windows 8.1 and Windows Server 2012 R2 file information and 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 0.17xxx

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

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately 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 are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Ucx01000.sys

6.3.9600.17393

163,136

07-Oct-2014

04:13

x86

Usbxhci.sys

6.3.9600.17795

259,928

16-Apr-2015

06:22

x86

For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Ucx01000.sys

6.3.9600.17393

189,248

07-Oct-2014

06:54

x64

Usbxhci.sys

6.3.9600.17795

325,464

16-Apr-2015

06:17

x64

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Ucx01000.sys

6.3.9600.17393

161,096

07-Oct-2014

03:30

Not applicable

Usbxhci.sys

6.3.9600.17795

249,184

16-Apr-2015

06:30

Not applicable

Additional file information

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_usbxhci.inf_31bf3856ad364e35_6.3.9600.17797_none_b4c8d9771a05675a.manifest

File version

Not applicable

File size

2,744

Date (UTC)

16-Apr-2015

Time (UTC)

06:42

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File property

Value

File name

Amd64_usbxhci.inf_31bf3856ad364e35_6.3.9600.17797_none_10e774fad262d890.manifest

File version

Not applicable

File size

2,748

Date (UTC)

16-Apr-2015

Time (UTC)

06:45

Platform

Not applicable

Additional files for all supported Windows RT 8.1

File property

Value

File name

Arm_usbxhci.inf_31bf3856ad364e35_6.3.9600.17797_none_b4cb4bcf1a028620.manifest

File version

Not applicable

File size

2,744

Date (UTC)

16-Apr-2015

Time (UTC)

06:38

Platform

Not applicable

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

CauseThis issue occurs because Register_ControllerStop only waits for four milliseconds (ms) instead of 16 ms when eXtensible Host Controller Interface (xHCI) tries to stop the controller.

References

See the terminology that Microsoft uses to describe software updates.

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.

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