User Account Control (UAC), a feature to be introduced in Vista, places strict limits on standard users, including barring them from installing ActiveX controls without authorisation from an administrator.More details over here.
The feature's constant prompts for authentication have been heavily criticised by industry observers.
Chris Corio, a UAC programme manager, said specifically that companies involved in the Technical Adoption Program (TAP) testing Vista had problems with numerous ActiveX controls used in day-to-day business.
Microsoft to add option to decrease ActiveX security in Windows Vista
Posted on Monday, June 26 2006 @ 1:55 CEST by Thomas De Maesschalck