GP Fault When Creating or Manipulating Many Windows

ID: Q216836

The information in this article applies to:

Microsoft Windows 95
Microsoft Windows 95 OEM Service Release version 1
Microsoft Windows 95 OEM Service Release version 2
Microsoft Windows 95 OEM Service Release version 2.1

SYMPTOMS

When many windows are being created or manipulated, a general protection (GP) fault may occur in User.exe. In rare circumstances, the computer may seem to stop responding (hang).

CAUSE

A problem with an internal function in User.exe may cause a pointer to be calculated incorrectly. Under stress, this pointer may cause corruption to the user heap, which eventually leads to the GP fault when calls are made to GetWindowLong() or SetWindowLong().

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next update that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp


   Date      Time      Version   Size    File name  Locale
   -----------------------------------------------------------------
   07/24/98   8:26pm   4.00.952  462,528 User.exe   English
   01/06/99  12:45am   4.00.952  463,359 User.exe   French (Standard)
   01/27/99   2:28am   4.00.952  463,351 User.exe   German
   01/28/99   7:25am   4.00.952  463,215 User.exe   Spanish
   01/28/99   7:10am   4.00.952  463,015 User.exe   Italian

NOTE: Due to file dependencies, the most recent hotfix or feature that contains the above files may also contain additional files.

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article.

This issue is resolved in Microsoft Windows 98.

Additional query words: ipf

Keywords : osr2 win95 gpf
Version : WINDOWS:95
Platform : WINDOWS
Issue type : kbprb