I get error 102 while updating
my Macbook pro with operating system OS X version 10.8.5 with 1 terabyte hard disc, processor 2.2GHz intel core i7, memory 4GB 1333 MHz DDR3, i was trying to download updates but it downloads to a certain level and stops giving me error 102. i dont know how to start trouble shooting this kind of problem. secondly the computer shuts down by itself when i try to close any of the word applications opening screen that says welcome to e.g word or Power point. finally the computer refuses to shut down while i try shutting down it just crashes and restarts by it self and gives me an error message that my computer shut down due to error and i should decide of i want to send the error log or cancel.
Mac Pro, OS X El Capitan (10.11.1)