I need some help , my skyrim keeps closing just when i start the game , i load my save game , in Dungeon inn. i can play but in town , this game keeps closing , it close game after i play 2 min.

My PC is CPU I5 3.30 G , ram 16 G , VGA GTX 650 (last version)

i try to remove all mod , reInstall game by remove all file game , try to Verify integreity of game cache it Inform one file game is Problem but steam not to download to fix it ? and try to change option low resoltion and graphics , but it not work,

erewhile my PC is CPU Core 2 duo 2.93 G , Ram 4 G , VGA GTS450 , i Install more MOD . i can play but Now , ny PC must to play skyrim to high graphics option , but why can 't to play it ???

Other games. high graphics i can play everygame , This has a Problem with skyrim only , i very serious to it , i buy DLC Hearthfire but i have not to play it!!

Please help me , skyrim is my best game , i want to play it!