A third-party program may stop responding after you install the 884879 hotfix in Windows XP or Windows XP Tablet PC Edition 2005

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Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

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SYMPTOMS
After you install the hotfix that is included with the Microsoft Knowledge Base article 884879: "FIX: Tab order does not work as expected when a MFC Dialog contains an ActiveX control (OCX)," a third-party program may randomly stop responding. This problem typically occurs when the third-party program contains elements or dialog boxes that use radio buttons, and one of the radio buttons has been disabled.

For additional information about the hotfix provided by KB884879, click the following article number to view the article in the Microsoft Knowledge Base:
884879 FIX: Tab order does not work as expected when a MFC Dialog contains an ActiveX control (OCX)
RESOLUTION

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. 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 Service Pack 1

   Date         Time   Version             Size  File name   --------------------------------------------------------   12-Nov-2004  19:28  5.1.2600.1607    573,440  User32.dll          05-Aug-2004  18:15  5.1.2600.1581  1,845,888  Win32k.sys

Windows XP Service Pack 2

   Date         Time   Version             Size  File name   --------------------------------------------------------   12-Nov-2004  19:03  5.1.2600.2562    577,024  User32.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, 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
Properties

Article ID: 889321 - Last Review: 01/16/2015 08:39:53 - Revision: 2.3

Microsoft Windows XP Home Edition SP1, Microsoft Windows XP Home Edition Service Pack 2 (SP2), Microsoft Windows XP Professional SP1, Microsoft Windows XP Professional SP2, Microsoft Windows XP Tablet PC Edition 2005

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