Article ID: 241911
Microsoft Internet Explorer 5.01 contains a new setting on the Advanced tab of the Internet Options properties window named Reuse windows for launching shortcuts. This article describes the new setting and how it can be used.
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:
322756The Reuse windows for launching shortcuts setting is used to determine whether a new or existing instance of Internet Explorer is used when exploring a Web site using one of the following methods:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
This setting is selected by default, resulting in behavior consistent with prior versions of Internet Explorer.
NOTE: When exploring Web sites through the Favorites menu or Links toolbar, the existing instance of Internet Explorer is always used, regardless of whether the Reuse windows for launching shortcuts setting is selected. Similarly, clicking hyperlinks in e-mail programs such as in Microsoft Outlook and Microsoft Outlook Express always opens a new instance of Internet Explorer.
Selecting the Reuse windows for launching shortcuts setting sets the following value in the registry to 1:
NOTE: The context-sensitive Help item for this new setting is incorrect, as the context-sensitive Help item for the Display a notification about every script error setting is displayed instead.
Key Name: HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main Value Name: AllowWindowReuse
This issue may be resolved in a future release of Internet Explorer.