“We got a lot of feedback about Windows Vista,” Sinofsky said, before pausing several seconds for the inevitable developer response. Given the vast amount of response he received, he said, “We have to do what developers do.” That is, to sit back, re-evaluate, and say, “What did we learn from that?” That, he said, is what engineering is about.

For now, in the Pre-Beta version of Windows 7, there are now four settings for configuring how intrusive UAC will be: Never notify me, Only notify me when programs try to make changes, Always notify, and Notify and wait for my approval.

Source:→ BetaNews