Pls Help

Every time i try to join a server it crashes!

Heres the log:
[20:25:59 INFO]: Client> [20:25] [Client thread/INFO]: LWJGL Version: 2.9.1
[20:26:01 INFO]: Client> [20:26] [Client thread/INFO]: Reloading ResourceManager: Default
[20:26:01 INFO]: Client>
[20:26:01 INFO]: Client> Starting up SoundSystem...
[20:26:01 INFO]: Client> Initializing LWJGL OpenAL
[20:26:01 INFO]: Client> (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[20:26:01 INFO]: Client> OpenAL initialized.
[20:26:02 INFO]: Client>
[20:26:02 INFO]: Client> [20:26] [Sound Library Loader/INFO]: Sound engine started
[20:26:02 INFO]: Client> [20:26] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas
[20:26:03 INFO]: Client> [20:26] [Client thread/INFO]: Created: 256x256 textures/items-atlas
[20:26:08 INFO]: Client> [20:26] [Client thread/INFO]: Connecting to varoxcraft.de, 25565
[20:26:09 INFO]: Client> [20:26] [Client thread/INFO]: [CHAT]
[20:26:09 INFO]: Client> [20:26] [Client thread/INFO]: [CHAT] >>> www.VaroXCrafT-Forum.de <<<
[20:26:09 INFO]: Client> [20:26] [Client thread/INFO]: [CHAT] >>> Heute schon gevotet? /Vote <<<
[20:26:09 INFO]: Client> [20:26] [Client thread/INFO]: [CHAT] Session login
[20:26:09 INFO]: Client> [20:26] [Client thread/INFO]: [CHAT] Du hast keine neue Nachrichten.
[20:26:14 ERROR]: Game ended with bad state (exit code -1073741819)
[20:26:14 INFO]: Deleting C:\Users\Dorias s\AppData\Roaming\.minecraft\versions\1.7.5\1.7.5-natives-595708600778
[20:26:14 INFO]: Ignoring visibility rule and showing launcher due to a game crash
[20:26:14 WARN]: Couldn't delete C:\Users\Dorias s\AppData\Roaming\.minecraft\versions\1.7.5\1.7.5-natives-595708600778 - scheduling for deletion upon exit