Assassin' creed 4 PC Problem

Sarthak321

Honorable
Jan 2, 2014
15
0
10,510
Hi. There is a problem in my assassins creed 4 pc. When i start the game, it atops working after some time and the game also does not saves. My laptop specs are:

8 GB RAM
Intel Core i5 processor
2 GB graphic card(nvidia optimus)
Windows 8

Plzz suggest a fix.