Some customized security settings for the Trusted sites zone in Internet Explorer 7 are reset to the default values on a Windows Vista-based computer

On a Windows Vista-based computer, you customize the following security settings for the Trusted sites zone in Windows Internet Explorer 7:

• Automatic Prompting for ActiveX controls
• Download signed ActiveX controls
• Automatic prompting for file downloads
• Allow Script-initiated windows without size or position constraints

However, after you install Internet Explorer cumulative security update 931768 (MS07-027) or security update 933566 (MS07-033), the security settings are reset to the default values.

An update is available to resolve this problem. The update is available from the following Windows Update Web site:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

The default values for the Internet Explorer security settings that are described in the "Symptoms" section are as follows.