Hi,
How we can reproduce the issue? Could you provide a sample?
The issue doesn't appear under IE6, IE7, IE8 in the following page:
Example
<%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Ext.Net Example</title>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<ext:Desktop ID="Desktop1" runat="server" BackgroundColor="black">
<StartButton Text="Some looooooooooong text"/>
<Modules>
<ext:DesktopModule ModuleID="DesktopModule1" WindowID="DesktopWindow1" />
</Modules>
<Shortcuts>
<ext:DesktopShortcut ModuleID="DesktopModule1" Text="Shortcut" />
</Shortcuts>
<StartMenu>
<Items>
<ext:MenuItem Text="DesktopWindow1">
<Listeners>
<Click Handler="DesktopWindow1.show();" />
</Listeners>
</ext:MenuItem>
</Items>
</StartMenu>
</ext:Desktop>
<ext:DesktopWindow ID="DesktopWindow1" runat="server" Title="DesktopWindow" />
</form>
</body>
</html>