WM_TIMER Messages May Stop Being Delivered to Programs in Windows NT (323327)



The information in this article applies to:

  • Microsoft Windows NT Server, Enterprise Edition 4.0
  • Microsoft Windows NT Server, Enterprise Edition 4.0 SP6a
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Server 4.0 SP6a
  • Microsoft Windows NT Workstation 4.0
  • Microsoft Windows NT Workstation 4.0 SP6a

This article was previously published under Q323327

SYMPTOMS

WM_TIMER timer messages may stop being delivered to programs on systems that run longer than 497 days. This may cause portions of programs to stop working. For example, if a program updates a window when it receives a WM_TIMER message, window updating stops.

RESOLUTION

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: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 fix has the file attributes (or later) 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              Size       File name   Platform
   --------------------------------------------------------------
   31-May-2002  17:28               169,744  Gdi32.dll   Intel
   31-May-2002  17:28               327,440  User32.dll  Intel
   05-Jun-2002  16:40             1,254,384  Win32k.sys  Intel
   31-May-2002  17:28               175,888  Winsrv.dll  Intel
				
NOTE: Due to file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.

STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0.

Modification Type:MinorLast Reviewed:9/27/2005
Keywords:kbHotfixServer kbQFE kbbug kbenv kbfix kbQFE KB323327