Microsoft KB Archive/894551

= FIX: 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 =

Article ID: 894551

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional x64 Edition

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SYMPTOMS
On a computer that is running Microsoft Windows XP, 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
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
You must have Microsoft Windows XP Service Pack 1 (SP1) or Microsoft Windows XP Service Pack 2 (SP2) installed to apply this hotfix. For more information about how to obtain Windows XP SP2, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

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, 64-bit versions
  Date         Time   Version       Size       File name      Platform 18-Feb-2005 05:46  5.41.15.1508  1,764,864  Msftedit.dll   IA64 18-Feb-2005 05:47  5.41.15.1508    504,832  Wmsftedit.dll  X86

Windows XP SP1, 32-bit versions
  Date         Time   Version       Size     File name ---  18-Feb-2005  05:47  5.41.15.1508  504,832  Msftedit.dll

Windows XP SP2, 32-bit versions
  Date         Time   Version       Size     File name ---  18-Feb-2005  05:46  5.41.15.1511  537,600  Msftedit.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 more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

816915 New file naming schema for Microsoft Windows software update packages

