Microsoft KB Archive/941600

= Cumulative update rollup for USB core components in Windows Vista =

Article ID: 941600

Article Last Modified on 10/2/2007

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APPLIES TO


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

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SUMMARY
''This article describes an update rollup that resolves some reliability issues in the USB core components in Windows Vista. You will achieve better reliability in various scenarios by installing this update.''



Issues that are fixed in the update rollup
925528 Stop errors occur on a Windows-based computer that has 2GB or more of RAM and is using an NVIDIA nForce USB controller

929734 You may experience problems after you resume a Windows Vista-based computer from sleep or from hibernation

930568 Error message when you try to put a Windows Vista-based computer to sleep or into hibernation: &quot;STOP 0x000000FE BUGCODE_USB_DRIVER&quot;

929478 After you use the Safely Remove Hardware option to remove a built-in optical drive from a portable Windows Vista-based computer, you may be unable to reconnect the drive

930570 Error message in the Usbhub.sys process when you wake a Windows Vista-based computer from sleep or from hibernation: &quot;STOP 0x00000044&quot;

928631 A USB device may no longer work correctly after Windows Vista resumes from sleep or from hibernation

933433 Recording quality is poor when you use a USB microphone on a Windows Vista-based computer that has 4 GB of RAM or more

933442 A USB composite device does not work after you disable and then enable the device in Device Manager on a computer that is running Windows Vista

934633 When you connect a USB multifunction printer device to a Windows Vista-based computer, a second instance of the printer object is created, and the first instance no longer works

934796 Error message on a Windows Vista-based computer that is running a USB composite device: &quot;STOP 0x000000FE&quot;

933824 The Safely Remove Hardware feature and the Windows Explorer &quot;Eject&quot; command do not work correctly with an Apple iPod that is connected to a Windows Vista-based computer

935782 A USB device takes a long time to resume from &quot;selective suspend&quot; mode on a Windows Vista-based computer that uses UHCI USB controllers

935783 When you resume a Windows Vista-based computer from sleep, you may experience unexpected behavior from a USB device

The following issues were not previously documented in a Microsoft Knowledge Base article:
 * When the computer resumes from a suspend state or from a hibernation state, the computer stops responding. Additionally, you receive a &quot;0x9F&quot; stop message on a blue screen.
 * The computer takes a long time to resume from a suspend state or from a hibernation state.
 * The computer takes a long time to resume from a suspend state or from a hibernation state when you use a VIA controller.
 * The computer stops responding when you use an AuthenTec USB fingerprint reader. Additionally, you receive a &quot;0xFE&quot; Stop error on a blue screen or a &quot;0x9F&quot; Stop error on a blue screen.
 * The computer stops responding when you use a USB Bluetooth audio device.
 * The computer takes a long time to resume from a suspend state or from a hibernation state when you use an Enhanced Host Controller Interface (EHCI) controller.
 * The computer stops responding when you remove a USB device. Additionally, you receive a &quot;0xFE&quot; Stop error on a blue screen.
 * When a computer resumes from a suspend state or from a hibernation state multiple times, you receive a &quot;0xFE&quot; Stop error on a blue screen.



Update information
The following files are available for download from the Microsoft Download Center:

Windows Vista, 32-bit versions

Download the 941600 package now.

Windows Vista, 64-bit versions

Download the 941600 package now.

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
No prerequisites are required to install this update.

Restart requirement
You must restart the computer after you apply this update. This package may not automatically request a restart after you install it. The full benefits of this update may not take effect until the system is restarted. You do not have to restart immediately. However, we recommend that you restart the computer as soon as possible.

Update replacement information
This update supersedes all previous USB fixes.

File information
The English version of this update 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
Note The &quot;force reset&quot; key for USB host controllers is defined on a per-instance basis. This setting will be reverted to &quot;no reset&quot; behavior in scenarios that involve installing reinstalling a USB host controller.

