Minecraft: Error al iniciar [Ayuda]

Me sale el siguiente error, lo raro es que el juego me funcionaba normalmente como siempre hasta que un dia al iniciarlo, pones tu nick y al dar "Entrar" se pone la pantalla en negro, por favor, no me ha pasado hasta ahora y siempre me ha ido bien, si hay algun entendido que sepa la causa y la solución, por favor que me eche una mano, muchas gracias    

# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x663264d0, pid=11060, tid=12504
#
# JRE version: 7.0_25-b17
# Java VM: Java HotSpot(TM) Client VM (23.25-b01 mixed mode windows-x86 )
# Problematic frame:
# C  [aticfx32.dll+0x264d0]  OpenAdapter+0x78e0
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#

---------------  T H R E A D  ---------------

Current thread (0x4bcefc00):  JavaThread "Minecraft main thread" daemon [_thread_in_native, id=12504, stack(0x4d1c0000,0x4d210000)]

siginfo: ExceptionCode=0xc0000005, reading address 0x00000168

Registers:
EAX=0x00000001, EBX=0x4d20f1bc, ECX=0x00000000, EDX=0x00000000
ESP=0x4d20e7c0, EBP=0x4d20f148, ESI=0x4d5c07d0, EDI=0x4d20f1bc
EIP=0x663264d0, EFLAGS=0x00010246

Top of Stack: (sp=0x4d20e7c0)
0x4d20e7c0:   0002f310 00000000 02840284 40000140
0x4d20e7d0:   00000000 4d20e7e0 00000960 40000140
0x4d20e7e0:   00020000 00000001 00000001 00008086
0x4d20e7f0:   00000000 00000046 00000000 00000000
0x4d20e800:   00000000 00000000 00000000 00000001
0x4d20e810:   00000000 00000000 00000000 0052005c
0x4d20e820:   00670065 00730069 00720074 005c0079
0x4d20e830:   0061004d 00680063 006e0069 005c0065 

Instructions: (pc=0x663264d0)
0x663264b0:   60 09 00 00 e8 b7 2d 00 00 b8 01 00 00 00 39 46
0x663264c0:   18 74 16 39 46 14 74 05 39 46 0c 75 29 8b 56 24
0x663264d0:   83 ba 68 01 00 00 00 75 1d 57 ff 15 cc 00 38 66
0x663264e0:   5f 5e 8b 8c 24 7c 09 00 00 33 cc e8 9e 5e 01 00 


Register to memory mapping:

EAX=0x00000001 is an unknown value
EBX=0x4d20f1bc is pointing into the stack for thread: 0x4bcefc00
ECX=0x00000000 is an unknown value
EDX=0x00000000 is an unknown value
ESP=0x4d20e7c0 is pointing into the stack for thread: 0x4bcefc00
EBP=0x4d20f148 is pointing into the stack for thread: 0x4bcefc00
ESI=0x4d5c07d0 is an unknown value
EDI=0x4d20f1bc is pointing into the stack for thread: 0x4bcefc00


Stack: [0x4d1c0000,0x4d210000],  sp=0x4d20e7c0,  free space=313k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C  [aticfx32.dll+0x264d0]  OpenAdapter+0x78e0
C  [atigktxx.dll+0x3b76]  XopQueryAdaptersOgl+0xc32
C  [atigktxx.dll+0x4346]  XopQueryAdaptersOgl+0x1402
C  [atigktxx.dll+0x1ee7]  GetD3DKMTProcAddress+0xc15

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j  org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(JIILorg/lwjgl/opengl/PixelFormat;Ljava/nio/IntBuffer;ZZZZ)I+0
j  org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(JIILorg/lwjgl/opengl/PixelFormat;Ljava/nio/IntBuffer;ZZZZ)I+15
j  org.lwjgl.opengl.WindowsDisplay.createWindow(Lorg/lwjgl/opengl/DisplayMode;Ljava/awt/Canvas;II)V+176
j  org.lwjgl.opengl.Display.createWindow()V+68
j  org.lwjgl.opengl.Display.create(Lorg/lwjgl/opengl/PixelFormat;Lorg/lwjgl/opengl/Drawable;Lorg/lwjgl/opengl/ContextAttribs;)V+63
j  org.lwjgl.opengl.Display.create(Lorg/lwjgl/opengl/PixelFormat;)V+9
j  net.minecraft.client.Minecraft.a()V+177
j  avv.a()V+94
j  net.minecraft.client.Minecraft.run()V+6
j  java.lang.Thread.run()V+11
v  ~StubRoutines::call_stub

---------------  P R O C E S S  ---------------

Java Threads: ( => current thread )
=>0x4bcefc00 JavaThread "Minecraft main thread" daemon [_thread_in_native, id=12504, stack(0x4d1c0000,0x4d210000)]
  0x4bcee000 JavaThread "Timer hack thread" daemon [_thread_blocked, id=12712, stack(0x4d450000,0x4d4a0000)]
  0x4bc3c000 JavaThread "Snooper Timer" daemon [_thread_blocked, id=9668, stack(0x4d160000,0x4d1b0000)]
  0x00ceb400 JavaThread "DestroyJavaVM" [_thread_blocked, id=13764, stack(0x021f0000,0x02240000)]
  0x4bb5b400 JavaThread "AWT-EventQueue-0" [_thread_blocked, id=10144, stack(0x4b790000,0x4b7e0000)]
  0x4aa25400 JavaThread "AWT-Windows" daemon [_thread_in_native, id=9428, stack(0x4b4a0000,0x4b4f0000)]
  0x4aa24c00 JavaThread "AWT-Shutdown" [_thread_blocked, id=7476, stack(0x4b3e0000,0x4b430000)]
  0x4aa24400 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=8204, stack(0x4ad10000,0x4ad60000)]
  0x4a953800 JavaThread "Service Thread" daemon [_thread_blocked, id=8152, stack(0x4b090000,0x4b0e0000)]
  0x4a94f000 JavaThread "C1 CompilerThread0" daemon [_thread_blocked, id=6452, stack(0x4af80000,0x4afd0000)]
  0x4a949c00 JavaThread "Attach Listener" daemon [_thread_blocked, id=12584, stack(0x4ade0000,0x4ae30000)]
  0x4a946800 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=9528, stack(0x4ae60000,0x4aeb0000)]
  0x4a8ef800 JavaThread "Finalizer" daemon [_thread_blocked, id=10160, stack(0x021a0000,0x021f0000)]
  0x4a8ea000 JavaThread "Reference Handler" daemon [_thread_blocked, id=13888, stack(0x4acc0000,0x4ad10000)]

Other Threads:
  0x4a8e6400 VMThread [stack: 0x4ac50000,0x4aca0000] [id=13568]
  0x4a96e000 WatcherThread [stack: 0x4b1b0000,0x4b200000] [id=11196]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
 def new generation   total 157248K, used 58587K [0x04750000, 0x0f1f0000, 0x19ca0000)
  eden space 139776K,  41% used [0x04750000, 0x08086e30, 0x0cfd0000)
  from space 17472K,   0% used [0x0cfd0000, 0x0cfd0000, 0x0e0e0000)
  to   space 17472K,   0% used [0x0e0e0000, 0x0e0e0000, 0x0f1f0000)
 tenured generation   total 349568K, used 0K [0x19ca0000, 0x2f200000, 0x44750000)
   the space 349568K,   0% used [0x19ca0000, 0x19ca0000, 0x19ca0200, 0x2f200000)
 compacting perm gen  total 12288K, used 9206K [0x44750000, 0x45350000, 0x48750000)
   the space 12288K,  74% used [0x44750000, 0x4504dbc0, 0x4504dc00, 0x45350000)
No shared spaces configured.

Card table byte_map: [0x4a550000,0x4a780000] byte_map_base: 0x4a52c580

Polling page: 0x001f0000

Code Cache  [0x02750000, 0x02898000, 0x04750000)
 total_blobs=709 nmethods=450 adapters=194 free_code_cache=31472Kb largest_free_block=32227584

Compilation events (10 events):
Event: 3.246 Thread 0x4a94f000  444             java.lang.ref.FinalReference:: (7 bytes)
Event: 3.246 Thread 0x4a94f000 nmethod 444 0x028922c8 code [0x028923c0, 0x02892470]
Event: 3.246 Thread 0x4a94f000  445   !         java.lang.ref.Finalizer::add (41 bytes)
Event: 3.247 Thread 0x4a94f000 nmethod 445 0x028924c8 code [0x028925d0, 0x02892810]
Event: 3.247 Thread 0x4a94f000  446   !         java.util.zip.ZipFile$ZipFileInputStream::close (110 bytes)
Event: 3.247 Thread 0x4a94f000 nmethod 446 0x02892908 code [0x02892a30, 0x02892eb8]
Event: 3.252 Thread 0x4a94f000  447             java.util.jar.JarVerifier::mapSignersToCertArray (60 bytes)
Event: 3.252 Thread 0x4a94f000 nmethod 447 0x02893288 code [0x028933c0, 0x028935e0]
Event: 3.255 Thread 0x4a94f000  448             java.util.WeakHashMap::remove (133 bytes)
Event: 3.256 Thread 0x4a94f000 nmethod 448 0x02893908 code [0x02893a40, 0x02893ca4]

GC Heap History (0 events):
No events

Deoptimization events (0 events):
No events

Internal exceptions (10 events):
Event: 3.259 Thread 0x4bcefc00 Threw 0x07e58ff8 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.259 Thread 0x4bcefc00 Threw 0x07e59490 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.260 Thread 0x4bcefc00 Threw 0x07e5ca88 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.260 Thread 0x4bcefc00 Threw 0x07e5cf38 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.261 Thread 0x4bcefc00 Threw 0x07e5fd60 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.261 Thread 0x4bcefc00 Threw 0x07e60188 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.262 Thread 0x4bcefc00 Threw 0x07e63b78 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.262 Thread 0x4bcefc00 Threw 0x07e63fb8 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.263 Thread 0x4bcefc00 Threw 0x07e66ab0 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235
Event: 3.263 Thread 0x4bcefc00 Threw 0x07e66ea0 at C:\jdk7u2_32P\jdk7u25\hotspot\src\share\vm\prims\jvm.cpp:1235

Events (10 events):
Event: 3.259 loading class 0x4bc7ab40
Event: 3.259 loading class 0x4bc7ab40 done
Event: 3.260 loading class 0x4bc7e2a0
Event: 3.260 loading class 0x4bc7e2a0 done
Event: 3.261 loading class 0x4bcb77d8
Event: 3.261 loading class 0x4bcb77d8 done
Event: 3.262 loading class 0x4bcb7928
Event: 3.262 loading class 0x4bcb7928 done
Event: 3.263 loading class 0x4bc4d2d0
Event: 3.263 loading class 0x4bc4d2d0 done


Dynamic libraries:
0x00d50000 - 0x00d7f000 	C:\Windows\SysWOW64\javaw.exe
0x77c40000 - 0x77dc0000 	C:\Windows\SysWOW64\ntdll.dll
0x76600000 - 0x76710000 	C:\Windows\syswow64\kernel32.dll
0x757f0000 - 0x75837000 	C:\Windows\syswow64\KERNELBASE.dll
0x756f0000 - 0x75790000 	C:\Windows\syswow64\ADVAPI32.dll
0x76e80000 - 0x76f2c000 	C:\Windows\syswow64\msvcrt.dll
0x77820000 - 0x77839000 	C:\Windows\SysWOW64\sechost.dll
0x77260000 - 0x77350000 	C:\Windows\syswow64\RPCRT4.dll
0x75690000 - 0x756f0000 	C:\Windows\syswow64\SspiCli.dll
0x75680000 - 0x7568c000 	C:\Windows\syswow64\CRYPTBASE.dll
0x773e0000 - 0x774e0000 	C:\Windows\syswow64\USER32.dll
0x76a00000 - 0x76a90000 	C:\Windows\syswow64\GDI32.dll
0x76fc0000 - 0x76fca000 	C:\Windows\syswow64\LPK.dll
0x76550000 - 0x765ed000 	C:\Windows\syswow64\USP10.dll
0x72ea0000 - 0x7303e000 	C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\COMCTL32.dll
0x77380000 - 0x773d7000 	C:\Windows\syswow64\SHLWAPI.dll
0x76fe0000 - 0x77040000 	C:\Windows\system32\IMM32.DLL
0x774e0000 - 0x775ac000 	C:\Windows\syswow64\MSCTF.dll
0x6de00000 - 0x6de1a000 	C:\PROGRA~2\KASPER~1\KASPER~1\mzvkbd3.dll
0x6e9d0000 - 0x6e9e1000 	C:\PROGRA~2\KASPER~1\KASPER~1\sbhook.dll
0x76b60000 - 0x76cbc000 	C:\Windows\syswow64\ole32.dll
0x66ee0000 - 0x66f9e000 	C:\Program Files (x86)\Java\jre7\bin\msvcr100.dll
0x62780000 - 0x62ac2000 	C:\Program Files (x86)\Java\jre7\bin\client\jvm.dll
0x73aa0000 - 0x73aa7000 	C:\Windows\SysWOW64\WSOCK32.dll
0x777e0000 - 0x77815000 	C:\Windows\syswow64\WS2_32.dll
0x76b50000 - 0x76b56000 	C:\Windows\syswow64\NSI.dll
0x73a30000 - 0x73a62000 	C:\Windows\SysWOW64\WINMM.dll
0x76fd0000 - 0x76fd5000 	C:\Windows\syswow64\PSAPI.DLL
0x6b690000 - 0x6b69c000 	C:\Program Files (x86)\Java\jre7\bin\verify.dll
0x6a6e0000 - 0x6a700000 	C:\Program Files (x86)\Java\jre7\bin\java.dll
0x69960000 - 0x69973000 	C:\Program Files (x86)\Java\jre7\bin\zip.dll
0x66d90000 - 0x66ed4000 	C:\Program Files (x86)\Java\jre7\bin\awt.dll
0x764c0000 - 0x7654f000 	C:\Windows\syswow64\OLEAUT32.dll
0x75160000 - 0x75173000 	C:\Windows\system32\DWMAPI.DLL
0x75180000 - 0x75200000 	C:\Windows\system32\uxtheme.dll
0x72e40000 - 0x72e56000 	C:\Windows\SysWOW64\CRYPTSP.dll
0x72bc0000 - 0x72bfb000 	C:\Windows\system32\rsaenh.dll
0x73770000 - 0x73787000 	C:\Windows\SysWOW64\USERENV.dll
0x737d0000 - 0x737db000 	C:\Windows\SysWOW64\profapi.dll
0x67390000 - 0x673a4000 	C:\Program Files (x86)\Java\jre7\bin\net.dll
0x736d0000 - 0x7370c000 	C:\Windows\system32\mswsock.dll
0x72390000 - 0x72396000 	C:\Windows\System32\wship6.dll
0x6e710000 - 0x6e720000 	C:\Windows\system32\NLAapi.dll
0x6e7a0000 - 0x6e7b0000 	C:\Windows\system32\napinsp.dll
0x6e780000 - 0x6e792000 	C:\Windows\system32\pnrpnsp.dll
0x72220000 - 0x72264000 	C:\Windows\SysWOW64\DNSAPI.dll
0x6e770000 - 0x6e778000 	C:\Windows\System32\winrnr.dll
0x6e740000 - 0x6e767000 	C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WLIDNSP.DLL
0x6e6e0000 - 0x6e701000 	C:\Program Files (x86)\Bonjour\mdnsNSP.dll
0x73260000 - 0x7327c000 	C:\Windows\SysWOW64\Iphlpapi.DLL
0x73250000 - 0x73257000 	C:\Windows\SysWOW64\WINNSI.DLL
0x6e730000 - 0x6e73d000 	C:\Windows\system32\wshbth.dll
0x736c0000 - 0x736c5000 	C:\Windows\System32\wshtcpip.dll
0x75340000 - 0x75346000 	C:\Windows\SysWOW64\rasadhlp.dll
0x75280000 - 0x752b8000 	C:\Windows\System32\fwpuclnt.dll
0x6b830000 - 0x6b83f000 	C:\Program Files (x86)\Java\jre7\bin\nio.dll
0x670e0000 - 0x67100000 	C:\Program Files (x86)\Java\jre7\bin\sunec.dll
0x66ff0000 - 0x67021000 	C:\Program Files (x86)\Java\jre7\bin\fontmanager.dll
0x64180000 - 0x641f6000 	C:\Windows\system32\RICHED20.DLL
0x640d0000 - 0x64100000 	C:\Program Files (x86)\Java\jre7\bin\t2k.dll
0x4b920000 - 0x4b98b000 	C:\Users\Gabriel\AppData\Roaming\.minecraft\bin\natives\lwjgl.dll
0x626b0000 - 0x62778000 	C:\Windows\SysWOW64\OPENGL32.dll
0x640a0000 - 0x640c2000 	C:\Windows\SysWOW64\GLU32.dll
0x625c0000 - 0x626a7000 	C:\Windows\SysWOW64\DDRAW.dll
0x693e0000 - 0x693e6000 	C:\Windows\SysWOW64\DCIMAN32.dll
0x770c0000 - 0x7725d000 	C:\Windows\syswow64\SETUPAPI.dll
0x77350000 - 0x77377000 	C:\Windows\syswow64\CFGMGR32.dll
0x76980000 - 0x76992000 	C:\Windows\syswow64\DEVOBJ.dll
0x73fc0000 - 0x73fc9000 	C:\Windows\SysWOW64\VERSION.dll
0x6a8a0000 - 0x6a8a6000 	C:\Program Files (x86)\Java\jre7\bin\jawt.dll
0x67110000 - 0x67117000 	C:\Windows\SysWOW64\atiglpxx.dll
0x4de10000 - 0x4ebcc000 	C:\Windows\SysWOW64\ig4icd32.dll
0x67100000 - 0x6710a000 	C:\Windows\SysWOW64\atigktxx.dll
0x66300000 - 0x6638c000 	C:\Windows\SysWOW64\aticfx32.dll
0x72a20000 - 0x72b0b000 	C:\Windows\SysWOW64\dbghelp.dll

VM Arguments:
jvm_args: -Xms512m -Xmx1024m -Dsun.java2d.noddraw=true -Dsun.java2d.d3d=false -Dsun.java2d.opengl=false -Dsun.java2d.pmoffscreen=false 
java_command: net.minecraft.LauncherFrame
Launcher Type: SUN_STANDARD

Environment Variables:
CLASSPATH=.;C:\Program Files (x86)\Java\jre7\lib\ext\QTJava.zip
PATH=C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Windows Live\Shared;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files (x86)\QuickTime\QTSystem\;c:\program files (x86)\java\jre7\bin
USERNAME=Gabriel
OS=Windows_NT
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 37 Stepping 5, GenuineIntel



---------------  S Y S T E M  ---------------

OS: Windows 7 , 64 bit Build 7601 Service Pack 1

CPU:total 4 (2 cores per cpu, 2 threads per core) family 6 model 37 stepping 5, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1, sse4.2, popcnt, ht, tsc, tscinvbit

Memory: 4k page, physical 3987312k(1253628k free), swap 7972764k(4227596k free)

vm_info: Java HotSpot(TM) Client VM (23.25-b01) for windows-x86 JRE (1.7.0_25-b17), built on Jun 21 2013 13:06:48 by "java_re" with unknown MS VC++:1600

time: Fri Jul 12 17:01:45 2013
elapsed time: 3 seconds