When you open Windows Internet Explorer on a Windows XP-based computer or on a Windows Vista-based computer or Windows Explorer on a Windows XP-based computer, you may find that the menu bar, or the toolbar, or both, are missing. This article helps you fix the problem.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
Close all open Internet Explorer and Windows Explorer windows.
Open Register Editor.
For Windows Vista and Windows 7, Click Start, type regedit in Search programs and files box, and then click regedit.exe in Programs.
Form Windows XP, Click Start, and then click Run , and then In the Open box, type regedit, and then click OK.
Locate and then click the following registry subkey: