This update helps Microsoft improve the experiences when users run stream.sys driver-based applications in Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1, such as the performance and the quality improvements. Check out thePrerequisitesĀ before you install this update, andĀ see the "References" section aboutĀ the steam.sys driver.
How to obtain this update
Important Do not install a language pack after you install this update. If you do, the language-specific changes in the update will not be applied, and you will have to reinstall the update. For more information, see Add language packs to Windows.
Method 1: Windows Update
This update is provided as an Optional update from Windows Update.
To obtain this update from Windows Update, follow these steps:
-
Click Start, and then type Update in the search box. In the list of results, click Windows Update.
-
In the left pane, click Check for updates, and then wait while Windows looks for the latest updates for your computer.
-
If you see a message telling you that optional updates are available, or telling you to review optional updates, click the message to view the optional updates.
-
In the list, select the check box for update 3054476, clickĀ OK, and then click Install updates.
See the frequently asked questions for Windows Update in Windows 7.
Method 2: Microsoft Download CenterThe following files are available for download from the Microsoft Download Center:
Operating system |
Update |
---|---|
All supported x86-based versions of Windows 7 |
|
All supported x64-based versions of Windows 7 |
|
All supported x64-based versions of Windows Server 2008 R2 |
|
All supported IA-64-based versions of Windows Server 2008 R2 |
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
PrerequisitesTo install this update, you must install Service Pack 1 for Windows 7 or Windows Server 2008 R2.
Registry informationTo apply this update, you do not have to make any changes to the registry.
Restart requirementYou may have to restart the computer after you apply this update.
Update replacement informationThis 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 7 and Windows Server 2008 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
6.1.760 1.18xxx
Windows 7 or Windows Server 2008 R2
SP1
GDR
6.1.760 1.23 xxx
Windows 7 or Windows Server 2008 R2
SP1
LDR
-
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 are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Stream.sys |
6.1.7601.18828 |
54,656 |
11-Apr-2015 |
03:07 |
Not applicable |
Stream.sys |
6.1.7601.23033 |
54,656 |
11-Apr-2015 |
03:07 |
Not applicable |
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Stream.sys |
6.1.7601.18828 |
69,888 |
11-Apr-2015 |
03:19 |
x64 |
Stream.sys |
6.1.7601.23033 |
69,888 |
11-Apr-2015 |
03:27 |
x64 |
For all supported IA-64-based versions of Windows Server 2008 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Stream.sys |
6.1.7601.18828 |
169,344 |
11-Apr-2015 |
02:31 |
Not applicable |
Stream.sys |
6.1.7601.23033 |
169,344 |
11-Apr-2015 |
02:30 |
Not applicable |
Additional file information
Additional file information for Windows 7 and for Windows Server 2008 R2
Additional files for all supported x86-based versions of Windows 7
File property |
Value |
---|---|
File name |
X86_564775937267b523d4b26de462230bd2_31bf3856ad364e35_6.1.7601.18828_none_56951b60114807ed.manifest |
File version |
Not applicable |
File size |
699 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
16:26 |
Platform |
Not applicable |
File name |
X86_b2f6e48ce984fbadf518f445fb5f5a11_31bf3856ad364e35_6.1.7601.23033_none_efa0f0613fc4584c.manifest |
File version |
Not applicable |
File size |
699 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
16:26 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-streamclass_31bf3856ad364e35_6.1.7601.18828_none_60651fc295e95aea.manifest |
File version |
Not applicable |
File size |
2,047 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
04:58 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-streamclass_31bf3856ad364e35_6.1.7601.23033_none_60dec351af13cb34.manifest |
File version |
Not applicable |
File size |
2,047 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
04:33 |
Platform |
Not applicable |
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File property |
Value |
---|---|
File name |
Amd64_12af54d33ce84cba6bae1ae32cebf547_31bf3856ad364e35_6.1.7601.18828_none_2d32cc43f0ac909c.manifest |
File version |
Not applicable |
File size |
703 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
16:26 |
Platform |
Not applicable |
File name |
Amd64_7aa8da28bc197c4fcb34e780e0da8fc0_31bf3856ad364e35_6.1.7601.23033_none_978dcad07da2c9c5.manifest |
File version |
Not applicable |
File size |
703 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
16:26 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-streamclass_31bf3856ad364e35_6.1.7601.18828_none_bc83bb464e46cc20.manifest |
File version |
Not applicable |
File size |
2,049 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
04:55 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-streamclass_31bf3856ad364e35_6.1.7601.23033_none_bcfd5ed567713c6a.manifest |
File version |
Not applicable |
File size |
2,049 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
05:16 |
Platform |
Not applicable |
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File property |
Value |
---|---|
File name |
Ia64_8804b77e23ae623bc4ed63894e4e7692_31bf3856ad364e35_6.1.7601.23033_none_134a0a4422399930.manifest |
File version |
Not applicable |
File size |
701 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
16:25 |
Platform |
Not applicable |
File name |
Ia64_c210a8623389b3cf201ea2871674997c_31bf3856ad364e35_6.1.7601.18828_none_1ae09d7640866ddd.manifest |
File version |
Not applicable |
File size |
701 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
16:25 |
Platform |
Not applicable |
File name |
Ia64_microsoft-windows-streamclass_31bf3856ad364e35_6.1.7601.18828_none_6066c3b895e763e6.manifest |
File version |
Not applicable |
File size |
2,048 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
04:57 |
Platform |
Not applicable |
File name |
Ia64_microsoft-windows-streamclass_31bf3856ad364e35_6.1.7601.23033_none_60e06747af11d430.manifest |
File version |
Not applicable |
File size |
2,048 |
Date (UTC) |
11-Apr-2015 |
Time (UTC) |
04:08 |
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
Stream.sys is the webcams codec driver. For more information about the steam.sys and the webcams codec driver, see the Streaming Minidrivers and the Using a webcam. See theĀ terminology that Microsoft uses to describe software updates.