Minecraft doesnt start

Whenever i try to start minecraft i get this error:

Completely ignored arguments: [--nativeLauncherVersion, 1148, --nativeLauncherVersion, 1164]
[18:57:21] [Client thread/INFO]: Setting user: MCS_Chicken
[18:57:21] [Client thread/INFO]: (Session ID is <censored>)
[18:57:22] [Client thread/INFO]: LWJGL Version: 2.9.1