1.7.2 works. I don´t know why this doesn´t this one won´t. I click "Play", anf the game loads, The launcher closes, opens a window with the name of the version, and instantly closes, opening again the launcher with the crash error. Here´s the crash log.

---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 21/11/13 19:28
Description: Initializing game

java.lang.UnsatisfiedLinkError: C:\Documents and Settings\Rubén\Datos de programa\.minecraft\versions\13w47c\13w47c-natives-4727770682307\libmfxsw32.dll: No se encontró el proceso especificado
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: 4038560 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: GeForce 8600M GS/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
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)