Windows Vista may crash and you may receive a Stop error message on a blue screen when you remove a USB host controller

Windows Vista may crash and you may receive a Stop error message on a blue screen when you remove a USB host controller

Article ID : 933938
Last Review : May 3, 2007
Revision : 2.1

SYMPTOMS

In Windows Vista, when you remove a USB host controller or a device that contains a USB host controller, Windows Vista may crash. Additionally, you may receive a Stop error message on a blue screen. This problem occurs if the following conditions are true:

• A USB device is connected to the USB host controller.
• The USB device that is connected to the USB host controller is transferring data.

If you do not receive the Stop error on a blue screen, you may encounter one of the following problems:

• If the USB host controller is connected again, the USB host controller does not appear in Device Manager. Additionally, the USB host controller and any attached USB devices do not work.
• If you try to close Windows Vista, a black screen appears, and you have to manually turn off the computer.

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CAUSE

This problem occurs because of a problem in the USB hub driver. The USB hub driver is the Usbhub.sys file.

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WORKAROUND

To work around this problem, follow these steps:

1. Make sure that no USB device that is connected to the USB host controller is transferring data.
2. Use the Safely Remove Hardware feature in the notification area before you remove the USB host controller.

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the Applies to section. This problem is scheduled to be fixed in the next service pack.

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MORE INFORMATION

This problem may occur if a USB device is connected to a removable USB controller such as a PC card, and the PC card that contains the USB controller is removed while the USB device is transferring data.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 (/Feedback.aspx?kbNumber=824684/) Description of the standard terminology that is used to describe Microsoft software updates

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APPLIES TO
• Windows Vista Ultimate
• Windows Vista Business
• Windows Vista Enterprise
• Windows Vista Home Basic
• Windows Vista Home Premium
• Windows Vista Business 64-bit Edition
• Windows Vista Enterprise 64-bit Edition
• Windows Vista Home Basic 64-bit Edition
• Windows Vista Home Premium 64-bit Edition
• Windows Vista Starter

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Keywords: 
kberrmsg kbprb kbtshoot KB933938

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Microsoft Knowledge Base Article

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