You open a modal dialog box from a webpage. In the modal dialog box, you use the window.createPopup method to create a popup window. However, if the webpage is opened in Internet Explorer 8 from the Internet zone and protected mode is enabled, the popup window does not appear in the modal dialog box.
Note This issue affects Internet Explorer 8 running on Windows 7, Windows 7 Service Pack 1, and Windows Vista.
To resolve this problem, install this update.
Security update information
To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, visit the following Microsoft website: