Symptoms
Consider the following scenario:
-
You install update 2919355 on a computer that is running Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.
-
You have a device that uses the AVStream class (such as a Bluetooth, USB, or PCI device) connected to the computer.
-
The computer sleeps or wakes.
In this scenario, the computer freezes or crashes.
Cause
This issue occurs because of a race condition in the power management threads in the Ks.sys file.
Resolution
To resolve this issue, install the update that is described in this article.
Update information
How to obtain this update
Windows Update
This update is available from Windows Update.
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 |
|
All supported x64-based versions of Windows 8.1 |
|
All supported x64-based versions of Windows Server 2012 R2 |
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.
Prerequisites
To apply this update, you must be running 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.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.
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment areFor all supported x86-based versions of Windows 8.1
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Ks.sys |
6.3.9600.17119 |
218,112 |
08-May-2014 |
23:08 |
x86 |
For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Ks.sys |
6.3.9600.17119 |
295,424 |
08-May-2014 |
23:06 |
x64 |
For Windows RT 8.1
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Ks.sys |
6.3.9600.17119 |
202,752 |
08-May-2014 |
23:02 |
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
For more information about the AVStream class, go to the following Microsoft website:
General information about the AVStream class For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Additional file information for Windows 8.1 and Windows Server 2012 R2
Additional files for all supported x86-based versions of Windows 8.1
File property |
Value |
---|---|
File name |
X86_32b1a130c81624f3760ab029623c9c33_31bf3856ad364e35_6.3.9600.17119_none_48f97b5d3e958437.manifest |
File version |
Not applicable |
File size |
703 |
Date (UTC) |
09-May-2014 |
Time (UTC) |
10:46 |
File name |
X86_microsoft-windows-kernelstreaming_31bf3856ad364e35_6.3.9600.17119_none_ec711d30b1408afa.manifest |
File version |
Not applicable |
File size |
6,075 |
Date (UTC) |
09-May-2014 |
Time (UTC) |
00:43 |
Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
File property |
Value |
---|---|
File name |
Amd64_076624a03afd8b55994e67041d738cce_31bf3856ad364e35_6.3.9600.17119_none_e68db7d9b5d497d0.manifest |
File version |
Not applicable |
File size |
707 |
Date (UTC) |
09-May-2014 |
Time (UTC) |
11:02 |
File name |
Amd64_microsoft-windows-kernelstreaming_31bf3856ad364e35_6.3.9600.17119_none_488fb8b4699dfc30.manifest |
File version |
Not applicable |
File size |
6,079 |
Date (UTC) |
09-May-2014 |
Time (UTC) |
02:49 |
Additional files for Windows RT 8.1
File property |
Value |
---|---|
File name |
Arm_9957d6e5e9666609ede62196d64d09ae_31bf3856ad364e35_6.3.9600.17119_none_2b5208070702414a.manifest |
File version |
Not applicable |
File size |
703 |
Date (UTC) |
09-May-2014 |
Time (UTC) |
10:41 |
File name |
Arm_microsoft-windows-kernelstreaming_31bf3856ad364e35_6.3.9600.17119_none_ec738f88b13da9c0.manifest |
File version |
Not applicable |
File size |
6,075 |
Date (UTC) |
09-May-2014 |
Time (UTC) |
00:14 |