MSDN Webcast: BenkoTips Live and on Demand: UAC and Privilege Isolation (Level 200)
In earlier versions of the Windows operating system, processes running under the same user account share the same basic security privileges. Starting with the User Account Control (UAC) technology in Windows Vista, the User Interface Privilege Isolation (UIPI) mechanism attaches a new attribute, Privilege Level, to a process. A process cannot send a window message successfully to another process with a higher privilege level, although they both may be running under the same user account. Attendee will learn what one need to know about the UAC and privilege isolation to successfully develop applications for the Windows 7 operating system.