A third-party program may stop responding after you install the 884879 hotfix in Windows XP or Windows XP Tablet PC Edition 2005 (889321)

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 now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone 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. 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