Snapshot Probleme

J ai un probleme avec la nouvelle snasphot 47c,

Quand je lance tout va mais apres un crash apparait !

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 22/11/13 10:20
Description: Initializing game

java.lang.UnsatisfiedLinkError: C:\Documents and Settings\Administrateur\Application Data\.minecraft\versions\13w47c\13w47c-natives-5451571555693\libmfxsw32.dll: La procédure spécifiée est introuvable
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary1(Unknown Source)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at buw.<clinit>(SourceFile:125)
at azg.ab(SourceFile:385)
at azg.e(SourceFile:706)
at net.minecraft.client.main.Main.main(SourceFile:151)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary1(Unknown Source)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at buw.<clinit>(SourceFile:125)
at azg.ab(SourceFile:385)

-- Initialization --
Details:
Stacktrace:
at azg.e(SourceFile:706)
at net.minecraft.client.main.Main.main(SourceFile:151)

-- System Details --
Details:
Minecraft Version: 13w47c
Operating System: Windows XP (x86) version 5.1
Java Version: 1.7.0_45, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 4124824 bytes (3 MB) / 26808320 bytes (25 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 13w47c
LWJGL: 2.9.1
OpenGL: ATI Radeon HD 5700 Series GL version 4.2.11927 Compatibility Profile Context, ATI Technologies Inc.
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: []
Current Language: ~~ERROR~~ NullPointerException: null
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
Anisotropic Filtering: Off (1)