Access Violation in Win32K When Calling GetDCEx

ID: Q174511

The information in this article applies to:

Microsoft Windows NT Workstation version 4.0
Microsoft Windows NT Server version 4.0

SYMPTOMS

In certain instances under Windows NT 4.0, application code may fail with an access violation in Win32k.sys when using the following API:


   GetDCEx(GetDesktopWindow(), NULL, DCX_PARENTCLIP);

RESOLUTION

To resolve this problem, obtain the hotfix below, or wait for the next service pack.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. A supported fix is now available, but has not been fully regression tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.

Keywords : kbprint kbbug4.00 kbfix4.00 ntprint NTSrvWkst
Version : WinNT:4.0
Platform : winnt
Issue type : kbbug