Basically my MBP started giving me messages (out of nowhere) about how my Memory was too low and that I needed to shut down a few programs before continuing. In the end I was left with only Finder running, so I decided to restart it. When I did, it simply gave me a Progress bar which loaded to about a tenth, before the computer shut down entirely. I have already tried to reset my PRAM/NVRAM, and booted through CMD + S, which in the end gave me the answer:'Invalid Leaf Record Count 12414 instead of 12416' ... I have also tried the /sbin/fsck -fy protocol which did not do anything. Any suggestions please?