crashs

I have big trouble with my steam... i tried everything to play esf with steam like about some months, but it don´t work anymore!!!!! I have uninstall steam some times in this time and install it again and again... But 1 time, when i reinstall my ESF again (now the steam- esf pack) and i...

:cry: When i press power up (E) the game crashs it never happend before and this happens even if i change the key. O_O