The RichEdit control stores data that is not valid when you enter a surrogate pair that is not valid in the RichEdit control on computers that are running Windows XP or Windows 2000

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Article ID: 884047 - View products that this article applies to.
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SYMPTOMS

On computers that are running Microsoft Windows XP or Microsoft Windows 2000, the RichEdit control stores data that is not valid when you enter a surrogate pair that is not valid in the RichEdit control. When you stream data from the RichEdit control by using the EM_STREAMOUT message, the data appears corrupted.

RESOLUTION

Hotfix information for Windows XP

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
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

To apply this hotfix, you must have Windows XP Service Pack 1 (SP1) or Windows XP SP2 installed on your computer.

Restart requirement

You do not have to restart your computer after you apply this hotfix unless you are using a program that uses the RichEdit control.

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 XP SP1, 32-bit versions

   Date         Time   Version           Size     File name
   --------------------------------------------------------------
   15-Feb-2005  15:57  5.30.23.1223      439,296  Riched20.dll     

Windows XP SP2, 32-bit versions

   Date         Time   Version           Size     File name
   --------------------------------------------------------------
   15-Feb-2005  15:53  5.30.23.1224      431,616  Riched20.dll     


Windows XP SP1, 64-bit versions

   Date         Time   Version           Size       File name      Platform
   --------------------------------------------------------------------------
   15-Feb-2005  15:55  5.30.23.1223      1,442,816  Riched20.dll   IA-64
   15-Feb-2005  15:57  5.30.23.1223        439,296  Wriched20.dll  x86


Hotfix information for Windows 2000

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:
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

To apply this hot fix, you must have Windows 2000 SP4 installed on your computer.

Restart requirement

You do not have to restart your computer after you apply this hotfix unless you are using a program that uses the RichEdit control.

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.
   Date         Time   Version           Size     File name
   --------------------------------------------------------------
   15-Feb-2005  06:16  5.30.23.1223      412,944  Riched20.dll   

STATUS

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

MORE INFORMATION

For additional information about the terminology that Microsoft uses to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages

Properties

Article ID: 884047 - Last Review: September 22, 2011 - Revision: 3.0
APPLIES TO
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
Keywords: 
kbautohotfix kbwinxppresp3fix kbwinxpsp3fix kbwin2000presp5fix kbfix kbbug kbqfe kbhotfixserver KB884047

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