I had to change from using a percent for the height to use a fixed pixel height in the <div>.Changed:<div id="editorsCuteEdit" runat="server"><CE:Editor ID="cuteEdit" visible="false" runat="server" ThemeType="Office2007"AutoConfigure="Full" Height="80%" Width="100%"> <FrameStyle BackColor="White" BorderColor="#DDDDDD" BorderStyle="Solid"BorderWidth="1px" CssClass="CuteEditorFrame" Height="80%" Width="100%" /> <TextAreaStyle Height="80%" Width="100%" /> </CE:Editor></div>To:<div id="editorsCuteEdit" runat="server"><CE:Editor ID="cuteEdit" visible="false" runat="server" ThemeType="Office2007"AutoConfigure="Full" Height="400px" Width="100%"> <FrameStyle BackColor="White" BorderColor="#DDDDDD" BorderStyle="Solid"BorderWidth="1px" CssClass="CuteEditorFrame" Height="400px" Width="100%" /> <TextAreaStyle Height="400px" Width="100%" /> </CE:Editor></div>