hi, my girlfriends computer just randomly turns itslef on at any time of day, u have to flick the switch at the back to get it to stop doing it. it recently had a virus but its now cleared expect for when u leave the computer on for a long time and it goes back to the log in screen is says avg has detected a trojan horse in the system volume information folder in C:\ . i cant access the folder because its hidden even when viewing hidden folders, ive tried typing it in in the address bar but it says acess denied. could this trojan be the reason its turning on randomly?