Microsoft KB Archive/884047

= 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 =

Article ID: 884047

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft Windows XP Professional x64 Edition
 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition

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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.



Hotfix information for Windows XP
A supported hotfix is now 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 service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

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

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 now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

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

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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 &quot;Applies to&quot; 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

Keywords: kbwinxppresp3fix kbwinxpsp3fix kbwin2000presp5fix kbfix kbbug kbqfe kbhotfixserver KB884047

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