I have a norton 360 5.0 3 pc license, and have installed on 3 pc running same Windows 7 x64 Professional SP1, two in them are laptops, but this problem has not occured in them, it is there in my desktop...when ever i run live update i am greeted with this error, showing u guys the screenshot.!! After running one click tool i get the error number 8920,223. What has happened..It was running smoothtly few hours back..!!