Note: If you haven't used Symthic's asset unpack script, don't know what that is and your game is running fine, this doesn't apply to you. If you've ever used Symthic's asset unpacker and are now experiencing crashes or weird bugs even though your system is otherwise stable and doesn't use any esoteric hardware, chances are you unpacked the assets and left them there in the default directory. The game tries to load unpacked files before it resorts to looking in pack files - so whenever you patch the game it loads the outdated assets you unpacked previously - resulting in all sorts of crazy bugs, like flat terrain, missing text, crashing. If you're not sure if you messed with your game assets check the PlanetSide 2\Resources\Assets directory. The only thing that should be inside is a whole load of .pack files. If you see an additional inner assets directory, unpack.py or unpack.pyc delete all of those and your problem should be fixed. Note: You shouldn't touch the .pack files themselves.
