Microsoft KB Archive/160328

= Internet Explorer 3.0 Causes Windows NT 4.0 to Blue Screen =

Article ID: 160328

Article Last Modified on 12/5/2003

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APPLIES TO


 * Microsoft Internet Explorer 3.0
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q160328



SYMPTOMS
Microsoft Internet Explorer 3.0 causes Windows NT 4.0 to BLUE screen when you quit Internet Explorer 3.0 while the Word 95 drawing toolbar is open. At the time of this article blue screen information was not yet available.



CAUSE
Process objects were being destroyed on the destruction of the IE 3.0 process. IE 3.0 managed to have the last thread alive on the process which was being used for process object cleanup (which was a non-GUI thread). This thread handled menu cleanup but did not clean up GUI objects such as windows properly.

The code has been changed to clean up process objects on Thread cleanup for the last GUI thread in a process. This ensures that a GUI thread exists for window cleanup for the menu notification window.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem has been corrected in the latest U.S. service pack for Windows NT version 4.0. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: stop

Keywords: kbfix kbprb KB160328

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