how can i tell if i got norton installed on my computer?how can i install it if i got it. on my desktop i see a norton icon and when i click it, it takes me online where i can buy it. when i go to start and type norton under search programs, i see norton online backup and then i see a pop up which says activate trial, no not remind me again, remind me later? how can i tell if i go mc afee on my pc becuase i see alot of times when i go online, mcafee site advisor pops up and tells me its a dangerous site to go to, but its really my facebook, newegg, etc.