When I play the game, the sound library says its running, but it fails to load the library.

Here is the error:
Completely ignored arguments: [--nativeLauncherVersion, 301]
[11:09:17] [Client thread/INFO]: Setting user: Legoman99573
[11:09:21] [Client thread/WARN]: Skipping bad option: lastServer:
[11:09:21] [Client thread/INFO]: LWJGL Version: 2.9.4
[11:09:22] [Client thread/INFO]: Reloading ResourceManager: Default
[11:09:23] [Sound Library Loader/INFO]: Starting up SoundSystem...
[11:09:23] [Thread-5/INFO]: Initializing LWJGL OpenAL
[11:09:23] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
AL lib: (EE) MMDevApiOpenPlayback: Device init failed: 0x80070490
AL lib: (EE) MMDevApiOpenPlayback: Device init failed: 0x80070490
[11:09:23] [Thread-5/ERROR]: Error in class 'LibraryLWJGLOpenAL'
[11:09:23] [Thread-5/ERROR]: Unable to initialize OpenAL. Probable cause: OpenAL not supported.
[11:09:23] [Thread-5/WARN]: ERROR MESSAGE:
[11:09:23] [Thread-5/INFO]: Could not locate OpenAL library.
[11:09:23] [Thread-5/WARN]: STACK TRACE:
[11:09:23] [Thread-5/INFO]: org.lwjgl.openal.AL.create(AL.java:156)
[11:09:23] [Thread-5/INFO]: org.lwjgl.openal.AL.create(AL.java:102)
[11:09:23] [Thread-5/INFO]: org.lwjgl.openal.AL.create(AL.java:206)
[11:09:23] [Thread-5/INFO]: paulscode.sound.libraries.LibraryLWJGLOpenAL.init(LibraryLWJGLOpenAL.java:164)
[11:09:23] [Thread-5/INFO]: paulscode.sound.SoundSystem.CommandNewLibrary(SoundSystem.java:1576)
[11:09:23] [Thread-5/INFO]: paulscode.sound.SoundSystem.CommandQueue(SoundSystem.java:2572)
[11:09:23] [Thread-5/INFO]: paulscode.sound.CommandThread.run(CommandThread.java:121)
[11:09:23] [Sound Library Loader/WARN]: ERROR MESSAGE:
[11:09:23] [Sound Library Loader/INFO]: Could not locate OpenAL library.
[11:09:23] [Sound Library Loader/INFO]: Starting up SoundSystem...
[11:09:24] [Thread-7/INFO]: Switching to No Sound
[11:09:24] [Thread-7/INFO]: (Silent Mode)
[11:09:24] [Sound Library Loader/INFO]: Sound engine started
[11:09:27] [Client thread/INFO]: Created: 1024x512 textures-atlas
[11:14:35] [Client thread/INFO]: Stopping!
[11:14:35] [Client thread/INFO]: SoundSystem shutting down...
[11:14:35] [Client thread/WARN]: Author: Paul Lamb, www.paulscode.com
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release