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You may experience slow performance in Windows XP SP2 when you use the Favorites menu in Internet Explorer or in Windows Explorer

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After you install Microsoft Windows XP Service Pack 2 (SP2) or the hotfix that is described in Microsoft Knowledge Base (KB) article 840309, you may experience slow performance. This symptom occurs when you use the Favorites menu in Microsoft Internet Explorer or in Windows Explorer.
This issue may occur if the following conditions are true:
  • You redirect the My Documents folder to a network location.
  • After you install Windows XP SP2 or the hotfix in KB article 840309, you enable the Desktop.ini cache.
The Desktop.ini cache process is designed to cache only Desktop.ini files that reside in network share locations. However, this process may instead cache all files that are opened through the GetPrivateProfileString function. This increased cache load causes slow performance.

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: 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.

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 software update 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 XP Service Pack 1, 32-bit versions
   Date         Time   Version            Size    File name   --------------------------------------------------------------   25-May-2005  17:14  6.0.2800.1692   8,348,160  Shell32.dll         25-May-2005  00:23  5.1.2600.1692     594,432  Xpsp2res.dll        20-Aug-2004  22:01  6.0.2800.1579      82,432  Fldrclnr.dll        25-May-2005  17:14  6.0.2800.1692     408,576  Shlwapi.dll         20-Aug-2004  22:01  5.1.2600.1579     700,928  Sxs.dll   
Windows XP Service Pack 1, 64-bit version (Itanium)
   Date         Time   Version            Size    File name   --------------------------------------------------------------   20-Aug-2004  06:52  6.0.2800.1579     130,560  Fldrclnr.dll     IA-64   25-May-2005  02:10  6.0.2800.1692  14,396,928  Shell32.dll      IA-64   25-May-2005  02:10  6.0.2800.1692   1,117,696  Shlwapi.dll      IA-64   20-Aug-2004  06:52  5.1.2600.1579   2,034,176  Sxs.dll          IA-64   24-May-2005  09:40  5.1.2600.1692     593,920  Xpsp2res.dll     IA-64   25-May-2005  02:10  6.0.2800.1692   2,649,088  Comctl32.dll     IA-64   25-May-2005  02:14  6.0.2800.1692     925,184  Comctl32.dll     x86   20-Aug-2004  07:01  6.0.2800.1579      82,432  Wfldrclnr.dll    x86   25-May-2005  02:14  6.0.2800.1692   8,348,160  Wshell32.dll     x86   25-May-2005  02:14  6.0.2800.1692     408,576  Wshlwapi.dll     x86   20-Aug-2004  07:01  5.1.2600.1579     700,928  Wsxs.dll         x86   24-May-2005  09:23  5.1.2600.1692     594,432  Wxpsp2res.dll    x86
Windows XP Service Pack 2, 32-bit versions
      Date         Time   Version            Size    File name   --------------------------------------------------------------   25-May-2005  17:05  6.0.2900.2684   8,452,096  Shell32.dll         25-May-2005  17:05  6.0.2900.2684     473,600  Shlwapi.dll         24-May-2005  23:33  5.1.2600.2684      17,920  Xpsp3res.dll
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To work around this problem, use one of the following methods.

Method 1: Move the My Documents folder back to the local computer.

Method 2: Disable the Desktop.ini cache. To do this, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following registry subkey:
  3. In the right pane of Registry Editor, right-click UseDesktopIniCache, and then click Modify.
  4. In the Edit DWORD Value dialog box, type 0 under Value data, and then click OK.
  5. Quit Registry Editor.
  6. Restart the computer.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the hotfix that is mentioned in the "Symptoms" section, click the following article number to view the article in the Microsoft Knowledge Base:
840309 Browsing the My Documents folder on a network share with Windows Explorer from a Windows XP-based computer takes longer than expected

Article ID: 898612 - Last Review: 12/09/2015 02:28:38 - Revision: 3.0

Microsoft Windows XP Home Edition, Microsoft Windows XP Professional

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