Preventing Norton Utilities from Minimizing to the System Tray on Exit

Is there some way to prevent Norton Utilities from minimizing to the system tray when I exit from the program?

 

I've tried disabling the Registry Monitor but NU continues to run in the background after I exit from the program unless I left-click on the system tray icon and permanently close the program from there.

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MS Windows Vista Home Premium SP2 (32-bit)
Norton Utilities (NU) 14.5.0.118

Norton Internet Security (NIS) 2010 17.6.0.32
Intel Core2Duo CPU T5550 @ 1.83 GHz, 3.0 GB RAM, NVIDIA GeForce 8400 GS