"0x0000004A" or "0x0000009F" Stop error occurs in Windows 8.1

This article describes an issue in which a "0x0000004A" or "0x0000009F" Stop error occurs in Windows 8.1. An update is available to resolve this issue. Before you install this update, check out the Prerequisites section.
Symptoms
This issue occurs on a computer that is running Windows 8.1 if one of the following conditions is true:
  • The computer is docked, and it uses local area network (LAN). Then, you undock the computer, and switch to Wi-Fi.
  • USB devices are connected.
  • Power transitions, such as you wake the computer from sleep.
How to get this update
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.

Windows Update

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

Prerequisites

To install this update, install April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) in Windows 8.1 or 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.

File information

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:
    VersionProductMilestoneService branch
    6.3.960 0.18 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
  • 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 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 aren't listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Tunnel.sys6.3.9600.18048123,39204-Sep-201518:04x86
For all supported x64-based versions of Windows 8.1 or Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Tunnel.sys6.3.9600.18048154,11204-Sep-201519:24x64
For all supported Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Tunnel.sys6.3.9600.18048125,95204-Sep-201517:28Not 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 propertyValue
File nameX86_deadaca10b31b1bd12e389e0e748234b_31bf3856ad364e35_6.3.9600.18048_none_081dc08b3e9f8b83.manifest
File versionNot applicable
File size694
Date (UTC)05-Sep-2015
Time (UTC)07:31
PlatformNot applicable
File nameX86_microsoft-windows-tunnel_31bf3856ad364e35_6.3.9600.18048_none_3838db2ba02a211d.manifest
File versionNot applicable
File size33,124
Date (UTC)04-Sep-2015
Time (UTC)19:28
PlatformNot applicable

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File propertyValue
File nameAmd64_e702b87938faf4dfbb0f3a459ea512a3_31bf3856ad364e35_6.3.9600.18048_none_f5218eb6206ce224.manifest
File versionNot applicable
File size698
Date (UTC)05-Sep-2015
Time (UTC)07:31
PlatformNot applicable
File nameAmd64_microsoft-windows-tunnel_31bf3856ad364e35_6.3.9600.18048_none_945776af58879253.manifest
File versionNot applicable
File size33,128
Date (UTC)04-Sep-2015
Time (UTC)20:53
PlatformNot applicable

Additional files for all supported Windows RT 8.1
File propertyValue
File nameArm_53feee6f1daea5149d04945b5caa059c_31bf3856ad364e35_6.3.9600.18048_none_101fdc462fb37cb1.manifest
File versionNot applicable
File size694
Date (UTC)05-Sep-2015
Time (UTC)07:31
PlatformNot applicable
File nameArm_microsoft-windows-tunnel_31bf3856ad364e35_6.3.9600.18048_none_383b4d83a0273fe3.manifest
File versionNot applicable
File size33,124
Date (UTC)04-Sep-2015
Time (UTC)18:15
PlatformNot 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.
Properties

Article ID: 3078405 - Last Review: 10/20/2015 17:36:00 - Revision: 2.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1

  • kbsurveynew kbfix kbexpertiseadvanced kbhotfixserver atdownload KB3078405
Feedback