When you use Microsoft Internet Explorer 7 Beta 3 together with Yahoo! Toolbar, you experience one or more of the following symptoms:

The various dialog boxes that are displayed when you use Yahoo! Toolbar are not the correct size. The various dialog boxes that are displayed when you use Yahoo! Toolbar do not accept keyboard input or mouse input. You cannot close the various dialog boxes that are displayed when you use Yahoo! Toolbar. This includes the first dialog box that is displayed after you install Yahoo! Toolbar.

Internet Explorer 7 Beta 3 Yahoo! Toolbar Fix