Everyone’s been having digs at Microsoft about what the world considers broken UAC in Windows 7. At first it was "working as designed" but now in comments from the Engineering Windows 7 team they’ve made a few statements which are interesting…
First, the UAC control panel will run in a high integrity process, which requires elevation. That was already in the works before this discussion and doing this prevents all the mechanics around SendKeys and the like from working.
Lets break that one down. If you want to get to the UAC, you need to have permissions…not bad. You’d think that’s what is best as most of the people using Windows 7 will need protection.
Second, changing the level of the UAC will also prompt for confirmation.
This one is pretty good too as it is what people are complaining from the rafters about. In order to change UAC you need to tell it you want it to do so. Good move. However what seems more interesting is the following comment:
With this feedback and a lot more we are going to deliver two changes to the Release Candidate that we’ll all see
Reading in to that says there will in fact be a RC of Windows 7. Many sceptics thought that Microsoft was going to go straight from Beta to delivery. Seems there’s going to be another release in the pipeline before it gets sent out to the masses…
Possibly related:


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