Byll essaye le truc du son que j'ai mis plus haut, c'est pas des conneries.
Si ton jeu plante apres l'avoir lance je suis quasi sur que cela reglera ton probleme.
Check this out, this has been a working solution for those who have been encountering crash errors when launching the game. Before you proceed through the rest of the fixes here, try this first:
In Windows 7, go to Control Panel > Hardware and Sound > Sound
You will see your default sound device. Click it, then click properties.
Go to the Advanced Tab, make sure the default format is set to 44.1Khz 16-bit.
Hit Apply/OK, then run Skyrim.
desole c'est en anglais mais c'est facile a comprendre