Remove the preview for individual tabs in the taskbar for Internet Explorer 8 in Windows 7

If multiple tabs are opened in a single Internet Explorer window then by default, you can see a preview of each tab when you hover the mouse over the Internet Explorer button on the taskbar. You can change this behavior and have only one entry to preview for one Internet Explorer window. Perform the following steps to do so:
1. Open Internet Options by clicking or , and clicking on Internet Options.
You may also press Alt + T + O.
2. In General tab, under Tabs section, click Settings button.
3. In the Tabbed Browser Settings dialog box, Click to remove the check mark beside Show previews for individual tabs in the taskbar*.
4. Click OK to close the Tabbed Browser Settings dialog box.
5. Click Apply and then click OK to close the Internet Options dialog box.