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The Defrag.exe command-line tool stops responding (hangs) when you run the tool after you install Windows XP

Article ID: 916731 - View products that this article applies to.

SYMPTOMS

Consider the following scenario. You install Microsoft Windows XP on a computer, and then you run the Defrag. exe command-line tool to defragment the hard disk of the computer. However, the degragmentation process operation does not successfully finish. Then the Defrag.exe tool stops responding (hangs). Additionally, when you open Task Manager, you notice that the CPU usage for the Defrag.exe process increases to 100 percent and stays at that level.

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CAUSE

This problem may occur if the Defrag.exe tool encounters a 0-byte attribute entry in the attribute list.

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RESOLUTION

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. 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:

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

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

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

No prerequisites are required.

Restart Requirement

You do not have to 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.

Collapse this tableExpand this table

File name	File version	File size	Date	Time	Platform
Dfrgntfs.exe	5.1.2600.2869	104,960	17-Mar-2006	01:02	x86

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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.

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MORE INFORMATION

For more information about the terminology that Microsoft uses to correct software after it is released, click the following article number to view the article in the Microsoft Knowledge Base:

824684

(http://support.microsoft.com/kb/824684/ )

Description of the standard terminology that is used to describe Microsoft software updates

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