Believe you are correct, somehow they are getting around Microsoft check for publisher? Mine stopped the yellow warning about unknown publisher and now just does the update with no message- not even the blue message to ok the update.
I have the UAC setting right, all other software I get the UAC blue box. However now Turbotax updates with no UAC check. From being an old system software programmer (really old retired 2004), I know there are always way to get around things, but don't think Turbotax ought to be using this method.
