After you install security update 961260 (MS09-002) on a computer that is running Windows Vista or Windows Server 2008, you may experience a problem when you visit some Web pages that are in different Internet Explorer security zones. When the problem occurs, you receive a message that resembles the following:
Navigation to the webpage was canceled
This problem occurs if the navigation causes Protected Mode settings to change from On to Off. You can determine which Internet Explorer security zone a Web page is in by looking at the status bar at the bottom of the Internet Explorer 7 window.
This problem occurs because Internet Explorer 7 switches Protected Mode settings when certain Web pages are configured in the Trusted Sites area of the Security tab of the Internet Options dialog box. By default, Protected Mode is set to Off for Web sites that are configured in the Trusted Sites area.
Security update information
To resolve this problem, install the most current cumulative security update for Internet Explorer. To install the most current updates, visit the following Microsoft Web site:
ImportantThis 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:
322756How to back up and restore the registry in Windows
Click Start, type regedit in the Start Search box, and then click regedit.exe in the Programs list.
If you are prompted for an administrator password or confirmation, type your password or click Continue.
Locate and then click the following subkey in the registry: