Windows 7: battlefield bad company is shuting down itself

when i am playing battlefield bad company 2 in snow blind mission last checkpoint where the player have to climb the roof top to regroup with his team mate. till this the game run in good condition but when i climb the roof top the game have a cut scene where you hear the chopper sound, at this moment my game hangs and crashes to dextop. pls help me with this problem, this the only game which is giving to much problem. or there any way to skip this stage and go to another stage or any way to unlock each and every stage, so i can play without any problem.
i am using intel core 2 duo, window 7 ultimate 32bit, 512 mb nvidia graphic card, 2 gb ddr3 ram, 2ghz processor. even then i am having problem.

Hi mahendrachhetri welcome to SF

This is look like a game bug\glitch.

Backup your saves,uninstall and reinstall the game,then put back your game saves.

You can also try to find a game patch.

Sometimes games comes with problems,thats why companies release patches\game\fix.

Battlefield Blog


Try the above and post back with any results.

Try the solution on this page. I hope it helps.
http://vamspace.blogspot.com/2011/04/stuck-at-snow-field-mission-in.html