A Windows Vista-based computer or a Windows Server 2008-based computer may stop responding during shutdown after you install a series of hotfixes and then try to restart the computer

Consider the following scenario. On a Windows Vista-based computer or a Windows Server 2008-based computer, you install a series of hotfixes without restarting the computer. Then, you try to restart the computer to complete the hotfix installation. However, the system may stop responding (hang) while the computer is shutting down. The shutdown process stops responding at the following message:This behavior continues until you manually turn off the computer.

Hotfix information

Windows Vista and Windows Server 2008

A supported hotfix is 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 software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

This hotfix requires that Windows Vista, Windows Vista Service Pack 1, or Windows Server 2008 is installed on the computer.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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, Windows Vista Service Pack 1, or Windows Server 2008, 32-bit versionsWindows Vista, Windows Vista Service Pack 1, or Windows Server 2008, 64-bit versions Windows Server 2008, Itanium-based versions

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

This hotfix is intended to resolve an error in the Usbhub.sys driver. There are also other reasons that the system may stop responding during shutdown.

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