Microsoft KB Archive/939331

= A Windows Vista-based computer may stop responding if a USB camera is connected =

Article ID: 939331

Article Last Modified on 8/29/2007

-

APPLIES TO


 * Windows Vista Home Basic 64-bit Edition
 * Windows Vista Home Premium 64-bit Edition
 * Windows Vista Business 64-bit Edition
 * Windows Vista Enterprise 64-bit Edition
 * Windows Vista Ultimate 64-bit Edition
 * Windows Vista Starter
 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Ultimate

-



SYMPTOMS
When you start a Windows Vista-based computer that has a USB camera connected, the computer may stop responding. This problem may also occur when you perform an unattended installation of Windows Vista on a computer that has a USB camera connected. This problem occurs if the camera uses the Stream.sys driver.

Note For information about how you can verify that the system uses the Stream.sys driver, see the &quot;More Information&quot; section.



Hotfix information
A supported hotfix is now 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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
No prerequisites are required.

Restart requirement
You must restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace a previously released hotfix.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Vista, 64-bit versions


STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
To verify that the system uses the Stream.sys driver, follow these steps:
 * 1) Click Startvistastartbutton.jpg], type verifier in the Start Search box, and then click verifier.exe in the Programs list.

If you are prompted for an administrator password or confirmation, type your password or click Continue.
 * 1) Click Display information about the currently verified drivers, and then click Next.
 * 2) Click Add, type Stream.sys in the File name box, and then click Open.

Examine the status of the Stream.sys driver.
 * 1) * The system uses the Stream.sys driver if Loaded is listed in the Status column.
 * 2) * The system does not use the Stream.sys driver if Never Loaded is listed in the Status column.
 * 3) Click Stream.sys, and then click Remove.
 * 4) Click Cancel.

For more information, 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 query words: stream.sys

Keywords: kbbug kbfix kbqfe kbsetup kbexpertiseinter kbhotfixserver kbwinvistapostrtmfix KB939331

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.