I have a black macbook. Today i turned on my macbook and nothing would open. It would say application unexpectedly quit so i tried to reopen and it wouldnt. Anything i tried to open i would get this notification. i have reset the ram, rebooted in to single user and nothingworks. i have an english essay due tomorrow and a spanish project due thursday. I NEED HELP HOW DO I FIX THIS....I DO NOT HAVE THE OS.X DISC OR ANNOTHER MAC...i am writing this on my parents pc.