An update is available through Windows Update for the following versions of MSN Toolbar and Bing Bar:
MSN Toolbar version 3.0
MSN Toolbar version 4.0
Bing Bar version 5.0
This update improves the stability and the reliability of these toolbars. After you install this update, the currently installed toolbar on your computer is upgraded to Bing Bar version 6.3.
Note MSN Toolbar is now known as Bing Bar.
Issues that this update resolves or improves
This update resolves an issue in which the toolbar causes Windows Internet Explorer to crash. Additionally, the update provides a deeper integration of the toolbar with Windows Live Hotmail and with Windows Live Messenger.
After you install this update, the following extensions are installed in Internet Explorer:
Bing Bar version 6.3
Bing Bar BHO
This update is available from the Microsoft Update website: