Microsoft KB Archive/216836

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GP Fault When Creating or Manipulating Many Windows

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Q216836

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The information in this article applies to:


 * Microsoft Windows 95
 * Microsoft Windows 95 OEM Service Release, versions 1, 2, 2.1

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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 is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. This fix may receive additional testing at a later time, to further ensure product quality. Therefore, if you are not severely affected by this 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 about support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp

NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

  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 that are listed at the beginning of this article.

This issue is resolved in Microsoft Windows 98.

Additional query words: ipf

Keywords : osr2 win95

Issue type : kbprb

Technology : kbWin95search kbOPKSearch kbWin95 kbWin95OPKOSR2 kbWin95OPKOSR1 kbWin95OPKOSR210