Please can someone help me. I have a MacBook Pro running Mavericks and have got problems I simply don't understand. 1) tried to list my car on swapz and keep getting a CSRF Token invalid message. 2) cannot turn on my firewall 3) cannot connect to App Store + whatever I haven't discovered yet. I use bit torrent and tried using torrent room yesterday, but it kept redirecting me and downloading some Mplayer or something. I dumped the downloads in the trash but not before trying to unpack it. Now I'm paranoid that I'm being hacked or something so I've disconnected the wifi to it. I apologise for my utter tech ignorance but I really need some help and don't want to get rinsed by some high street money grabbing computer guy.