i'm having repeated problems with staring windows xp (with SP 3) after installing 360 version 4.3.0.5. i first used a trial without any trouble. uninstalled before installing full version. sometimes xp wont' start at all. at other times it goes through the memory check, and welcome screen only to have the monitor shift to black screen again. ran event viewer and see enteries of an ipsec failure, but i'm not experienced enough to know what that means! any help much appreciated.