Disk Defragmenter does not work on a Windows XP-based computer

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Article ID: 922379 - View products that this article applies to.
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SYMPTOMS

When you try to use Disk Defragmenter on a Microsoft Windows XP-based computer, the following symptoms may occur:
  • When you click Analyze or Defragment, nothing happens.
  • When you try to use the Defrag.exe command-line tool, you receive the following error message:
    Windows cannot connect to the Disk Defragmenter engine.
Additionally, when you open the Properties dialog box for the local hard disk and then click the Tools tab, one of the following symptoms may occur:
  • The Defragment Now button is unavailable.
  • When you click Defragment Now, you receive the following error message:
    The Disk Defragmenter is not installed on your computer. To install it, double-click the Add or Remove Programs icon in Control Panel, click the Install/Uninstall tab, and then follow the instructions on your screen.

CAUSE

This issue occurs because Disk Defragmenter is not installed on the computer.

RESOLUTION

To resolve this issue, follow these steps:
  1. Click Start, click Run, type C:\Windows\Inf, and then click OK.
    Note Substitute C with the drive letter of the local hard disk.
  2. Right-click the dfrg.inf file, and then click Install.

Properties

Article ID: 922379 - Last Review: July 21, 2006 - Revision: 1.1
APPLIES TO
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
Keywords: 
kbdefrag kbtshoot kbprb KB922379

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