i have a "shared folder" on my mac... no idea what it is currently named .... "the-b52087144a5" it says its a "pc server" and randomly a folder on my desktop changed with yanks pics in it... to "but i suck lol" can some one hack into my mac? no one else uses this computer... (unless someone broke into my apt and did it.... no friends or anything) please help!? how can i check if someone has hacked in? or has access? what should i do? please help!!!!