Cascading pop-up windows overlap incorrectly in Internet Explorer 8

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Article ID: 978019 - View products that this article applies to.
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You browse a Web page in Windows Internet Explorer 8. The Web Page contains buttons that call the window.createPopup method to create cascading pop-up windows. When you click one of the buttons, the child pop-up windows are displayed behind their parent window instead of in front of their parent window. Therefore, you may not able to access the content of the child windows.

This issue occurs if Internet Explorer Window Restrictions are enabled for the security zone of the page.


Security update information

To resolve this problem, install the most current cumulative security update for Internet Explorer. To install the most current update, visit the following Microsoft Web site:
For more technical information about the most current cumulative security update for Internet Explorer, visit the following Microsoft Web site:
Note This update was first included in security update Knowledge Base (KB) article 976325 (MS09-072). For more information, click the following article number to view the article in the Microsoft Knowledge Base:
976325 MS09-072: Cumulative security update for Internet Explorer


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.
For more information about Window Restrictions, visit the following Microsoft Web site:


Article ID: 978019 - Last Review: October 7, 2011 - Revision: 3.0
  • Windows Internet Explorer 8, when used with:
    • Microsoft Windows XP Service Pack 3
    • Windows Vista Business
    • Windows Vista Enterprise
    • Windows Vista Home Basic
    • Windows Vista Home Premium
    • Windows Vista Service Pack 1
    • Windows Vista Service Pack 2
    • Windows Vista Starter
    • Windows Vista Ultimate
    • Microsoft Windows Server 2003 Service Pack 2
kbexpertisebeginner kbsurveynew kbqfe KB978019

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