Microsoft KB Archive/901026

= Memory corruption or an access violation may occur in a custom application that uses the PrivateFontCollection object in Windows XP =

Article ID: 901026

Article Last Modified on 8/29/2007

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APPLIES TO


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

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SYMPTOMS
In Microsoft Windows XP, memory corruption or an access violation may occur in a custom application that uses the PrivateFontCollection object in the Gdiplus.dll file.



CAUSE
This problem may occur when a PrivateFontCollection object is deleted, and an application has outstanding references to the GpFontFamily items in that object. During the deletion of the PrivateFontCollection object, no check is made that any GpFontFamily classes are being used. Therefore, the classes are implicitly deleted. If the application subsequently tries to delete or to access the outstanding GpFontFamily references, memory corruption or an access violation may occur.



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

Restart requirement
You must restart the computer after you apply this hotfix.

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, x86-based versions
 Date        Time   Version            Size    File name --  20-Aug-2004  22:01  5.1.2600.1579     700,928  Sxs.dll 10-Jun-2005 17:55  5.1.3102.1698   1,630,208  Gdiplus.dll 10-Jun-2005 17:59                        397  Gdiplus.man 10-Jun-2005 17:59                        605  Gdiplus.man 10-Jun-2005 18:32  5.1.3102.2695   1,712,128  Gdiplus.dll 10-Jun-2005 18:36                        397  Gdiplus.man 10-Jun-2005 18:36                        605  Gdiplus.man

Windows XP Professional 64-Bit Edition (Itanium)
 Date        Time   Version            Size    File name    Platform 20-Aug-2004 21:52  5.1.2600.1579   2,034,176  Sxs.dll          IA-64 10-Jun-2005 17:52  5.1.3102.1698   5,186,560  Gdiplus.dll      IA-64 10-Jun-2005 17:58                        398  Gdiplus.man 10-Jun-2005 17:58                        607  Gdiplus.man 10-Jun-2005 17:56  5.1.3102.1698   1,630,208  Gdiplus.dll      x86 10-Jun-2005 17:58                        397  Gdiplus.man 10-Jun-2005 17:58                        605  Gdiplus.man 20-Aug-2004 22:01  5.1.2600.1579     700,928  Wsxs.dll         x86



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 number to view the article in the Microsoft Knowledge Base:

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

Keywords: kbwinserv2003sp2fix kbqfe kbhotfixserver KB901026

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