This article describes two Stop errors that occur in Windows 8.1 or Windows Server 2012 R2. You can resolve the Stop errors by using the update in this article. Before you install this update, check out the Prerequisites section.

Symptoms

Assume that you have a computer that is running Windows 8.1 or Windows Server 2012 R2. You may encounter one of the following issues:

Issue 1

The operating system crashes because of inline loopback transmits, and you receive a Stop error that resembles the following:


STOP: 0x0000007F (parameter1, parameter2, parameter3, parameter4)


Notes

  • This Stop error indicates an UNEXPECTED_KERNEL_MODE_TRAP issue.

  • The parameters in this Stop error message vary, depending on the configuration of the computer.

  • Not all "0x0000007F" Stop errors are caused by this issue.

Issue 2

Assume that the Receive Side Scaling (RSS) feature is enabled on the network adapter. Task offload is disabled for IPv4 or IPv6 protocol (not both). In this situation, during the installation of a Lightweight Filter (LWF) driver, you receive a Stop error that resembles the following:


STOP: 0x0000009F (parameter1, parameter2, parameter3, parameter4)


Notes

  • This Stop error indicates a DRIVER_POWER_STATE_FAILURE issue.

  • The parameters in this Stop error message vary, depending on the configuration of the computer.

  • Not all "0x0000009F" Stop errors are caused by this issue.

How to obtain this update

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

Important 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.

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 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.

Update detail information

Prerequisites

To install 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 8.1 or Windows Server 2012 R2.

Registry information

To apply this update, 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.

Update replacement information

This update does not replace a previously released update.

The global version of this update 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

Fwpkclnt.sys

6.3.9600.17485

286,528

10-Nov-2014

17:47

x86

Tcpip.sys

6.3.9600.17903

1,853,272

11-Jun-2015

19:26

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

Fwpkclnt.sys

6.3.9600.17903

428,888

11-Jun-2015

20:12

x64

Tcpip.sys

6.3.9600.17903

2,476,376

11-Jun-2015

20:12

x64

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Fwpkclnt.sys

6.3.9600.17336

278,864

08-Sep-2014

01:20

Not applicable

Tcpip.sys

6.3.9600.17903

1,760,608

11-Jun-2015

18:36

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_75c214455c6e94ee3ba89d2e304e9703_31bf3856ad364e35_6.3.9600.17903_none_6a28906c913b261d.manifest

File version

Not applicable

File size

702

Date (UTC)

12-Jun-2015

Time (UTC)

10:06

Platform

Not applicable

File name

X86_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.17903_none_48134a8b81bfe5e0.manifest

File version

Not applicable

File size

3,883

Date (UTC)

12-Jun-2015

Time (UTC)

10:10

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_e7a8a538b5c9334a468191d0b65085d5_31bf3856ad364e35_6.3.9600.17903_none_9f3775047cd7c207.manifest

File version

Not applicable

File size

706

Date (UTC)

12-Jun-2015

Time (UTC)

10:06

Platform

Not applicable

File name

Amd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.17903_none_a431e60f3a1d5716.manifest

File version

Not applicable

File size

3,884

Date (UTC)

11-Jun-2015

Time (UTC)

20:19

Platform

Not applicable

Additional files for all supported Windows RT 8.1

File property

Value

File name

Arm_55afb05fd2e498c5fb54a131ec949f0e_31bf3856ad364e35_6.3.9600.17903_none_efa8fab622ecc8f5.manifest

File version

Not applicable

File size

702

Date (UTC)

12-Jun-2015

Time (UTC)

10:06

Platform

Not applicable

File name

Arm_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.17903_none_4815bce381bd04a6.manifest

File version

Not applicable

File size

3,883

Date (UTC)

12-Jun-2015

Time (UTC)

10:06

Platform

Not applicable

Status

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

References

See the terminology that Microsoft uses to describe software updates.

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