You develop a Web page that uses the Window.focus method to set the focus on the Internet Explorer window. Then you browse this Web page in Windows Internet Explorer 8. After you minimize the Internet Explorer window, the Window.focus method does not return this Web page to the foreground of the screen. This issue occurs when you browse this Web page in a security zone that enables protected mode.
For steps to reproduce this issue, see the "More information" section.
This issue occurs because of a Loosely Coupled Internet Explorer architectural change in Internet Explorer 8.
Security update information
To resolve this problem, install the most recent cumulative security update for Windows Internet Explorer. To do this, visit the following Microsoft Web site: