I installed the NU14 trial to test it (to see it myself and how it works with 360 3.0), and found this bug:
I have Opera v 9.63 (Opera/9.63 (Windows NT 5.1; U; hu) Presto/2.1.1) on my system, and NU sais I have no Opera....
OS: Win XP SP3 HUN all WU
Browser: IE8 RC1 and Opera 9.63
Symantec: Norton 360 3.0 Build 123 (Beta 4)