Apart from the feature work that we did in Windows Installer 4.5, we made a few changes to Windows Installer to address some user feedback or pain points. Here's some of the important issues that were addressed:
In addition to this, since Windows Installer 4.5 is the latest release of Windows Installer, it will have all the fixes and feature work that we did till Vista SP1.
[Author: Hemchander Sannidhanam]This posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm.