How to disable UAC for an application

It is possible to disable UAC consent prompt for some applications with Microsoft ACT. References :

• http://www.vista4beginners.com/Disable-UAC-for-certain-applications
• http://dailyapps.net/2008/01/hack-attack-disable-uac-for-certain-applications-in-vista/

But unfortunately, this does not work on Windows 7 Pro x64. I failed to disable UAC consent prompt for Process Explorer.