Software update for Expression Web 2: KB957827
Microsoft has released an update for Microsoft Expression Web 2.0. This update fixes a problem that prevents macros from running on a Windows Vista-based client computer.
https://support.microsoft.com/?kbid=957827
Note: If you’ve set Windows to automatically update, the update for Expression Web 2 appears in the Office 2007 list of updates as shown in the following screenshot.