FIX: A USB device appears with a yellow exclamation mark (code 31) in Windows Device Manager

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Hotfix information

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.

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, submit a request to 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.


No prerequisites are required.

Restart requirement

You must restart your 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 tool in Control Panel.

Windows 2000

   Date         Time   Version            Size    File name   --------------------------------------------------------------   26-Jun-2003  18:26  5.0.2195.6762      29,712  Mountmgr.sys   25-Jul-2003  17:36  5.0.2195.6793   1,696,576  Ntkrnlmp.exe        25-Jul-2003  17:36  5.0.2195.6793   1,695,744  Ntkrnlpa.exe        25-Jul-2003  17:36  5.0.2195.6793   1,716,544  Ntkrpamp.exe
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Article ID: 822368 - Last Review: 12/08/2015 03:01:44 - Revision: 4.4

Microsoft Windows 2000 Professional Edition, Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server

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