so ill be playing, online or not and all the sudden the screen will freeze, then the whole window shuts down. and it doesnt save any of my stuff. also after it crashes an icon appears on my desktop. i open it and it reads the following...


A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x4d796cbf, pid=5616, tid=5468
#
# JRE version: 6.0_29-b11
# Java VM: Java HotSpot(TM) Client VM (20.4-b02 mixed mode windows-x86 )
# Problematic frame:
#
[error occurred during error reporting (printing problematic frame), id 0xc0000005]

# If you would like to submit a bug report, please visit:
# [ Register or Signin to view external links. ]
# 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 (0x4ac35000): JavaThread "Minecraft main thread" daemon [_thread_in_native, id=5468, stack(0x4cc90000,0x4cce0000)]

siginfo: ExceptionCode=0xc0000005, writing address 0x00000004

Registers:
EAX=0x00000000, EBX=0x000c0121, ECX=0x00000004, EDX=0x7eef1fc8
ESP=0x4ccdf7ec, EBP=0x000c0121, ESI=0x4ccdf830, EDI=0x7d36fc48
EIP=0x4d796cbf, EFLAGS=0x00010202

Top of Stack: (sp=0x4ccdf7ec)
0x4ccdf7ec: 4d268f29 7d36fc48 7eef1fc8 4ccdf824
0x4ccdf7fc: 0001feb9 4efe7938 000c0121 4d39aba2
0x4ccdf80c: 4ccdf824 000c0000 4dd62528 4dce0060
0x4ccdf81c: 4ccdf8cc 00000121 0001feb9 0014cabd
0x4ccdf82c: 4dd62528 64e6d6a8 023f3704 4cbc5bb0
0x4ccdf83c: 00000001 4ac35000 7d36fc48 0001fd98
0x4ccdf84c: 4ccdf874 4d894c28 00000000 4d39ad38
0x4ccdf85c: 4dce0060 00000121 4dd6253c 4ac35000

Instructions: (pc=0x4d796cbf)
0x4d796c9f: cc 6a 0c 6a 00 ff 15 04 f2 8a 4d 85 c0 74 06 8b
0x4d796caf: 4c 24 04 89 08 8d 48 04 85 c9 74 06 8b 54 24 08
0x4d796cbf: 89 11 8d 48 08 85 c9 74 08 8b 54 24 0c 8b 12 89
0x4d796ccf: 11 c2 0c 00 cc cc cc cc cc cc cc cc cc cc cc cc


Register to memory mapping:

EAX=0x00000000 is an unknown value
EBX=0x000c0121 is an unknown value
ECX=0x00000004 is an unknown value
EDX=0x7eef1fc8 is an unknown value
ESP=0x4ccdf7ec is pointing into the stack for thread: 0x4ac35000
EBP=0x000c0121 is an unknown value
ESI=0x4ccdf830 is pointing into the stack for thread: 0x4ac35000
EDI=0x7d36fc48 is an unknown value


Stack: [0x4cc90000,0x4cce0000], sp=0x4ccdf7ec, free space=317k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)

[error occurred during error reporting (printing native stack), id 0xc0000005]

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j org.lwjgl.opengl.GL11.nglDeleteLists(IIJ)V+0
j org.lwjgl.opengl.GL11.glDeleteLists(II)V+16
j dl.b(I)V+45
j i.e()V+4
j net.minecraft.client.Minecraft.e()V+10
j net.minecraft.client.Minecraft.run()V+647
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub

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

Java Threads: ( => current thread )
0x4ac33800 JavaThread "Client write thread" daemon [_thread_blocked, id=6764, stack(0x5cf30000,0x5cf80000)]
0x4ac37000 JavaThread "Client read thread" daemon [_thread_in_native, id=2404, stack(0x4ba70000,0x4bac0000)]
0x4ac36800 JavaThread "Thread-14" daemon [_thread_blocked, id=3536, stack(0x51fd0000,0x52020000)]
0x4ac36400 JavaThread "Thread-13" daemon [_thread_blocked, id=5844, stack(0x51f40000,0x51f90000)]
0x4ac35400 JavaThread "Thread-12" daemon [_thread_in_native, id=2376, stack(0x51e70000,0x51ec0000)]
=>0x4ac35000 JavaThread "Minecraft main thread" daemon [_thread_in_native, id=5468, stack(0x4cc90000,0x4cce0000)]
0x4ac35c00 JavaThread "Timer hack thread" daemon [_thread_blocked, id=824, stack(0x4cb70000,0x4cbc0000)]
0x4ac34800 JavaThread "DestroyJavaVM" [_thread_blocked, id=1732, stack(0x003b0000,0x00400000)]
0x4ac34400 JavaThread "TimerQueue" daemon [_thread_blocked, id=6856, stack(0x4b9e0000,0x4ba30000)]
0x4ab47c00 JavaThread "AWT-EventQueue-0" [_thread_blocked, id=6432, stack(0x4b850000,0x4b8a0000)]
0x4ab19000 JavaThread "AWT-Windows" daemon [_thread_in_native, id=4640, stack(0x4b000000,0x4b050000)]
0x4ab18c00 JavaThread "AWT-Shutdown" [_thread_blocked, id=7036, stack(0x4af00000,0x4af50000)]
0x4ab16400 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=6620, stack(0x4ad60000,0x4adb0000)]
0x023efc00 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=4388, stack(0x4a980000,0x4a9d0000)]
0x023da800 JavaThread "C1 CompilerThread0" daemon [_thread_blocked, id=6648, stack(0x4a8f0000,0x4a940000)]
0x023d7800 JavaThread "Attach Listener" daemon [_thread_blocked, id=6964, stack(0x4a860000,0x4a8b0000)]
0x023d4800 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=1256, stack(0x4a7d0000,0x4a820000)]
0x023ac400 JavaThread "Finalizer" daemon [_thread_blocked, id=5144, stack(0x4a740000,0x4a790000)]
0x023a7800 JavaThread "Reference Handler" daemon [_thread_blocked, id=5440, stack(0x4a6b0000,0x4a700000)]

Other Threads:
0x023a3000 VMThread [stack: 0x4a620000,0x4a670000] [id=2456]
0x02403400 WatcherThread [stack: 0x4aa10000,0x4aa60000] [id=5336]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
def new generation total 157376K, used 61979K [0x04490000, 0x0ef50000, 0x199e0000)
eden space 139904K, 33% used [0x04490000, 0x07275bb0, 0x0cd30000)
from space 17472K, 85% used [0x0cd30000, 0x0dbd13b8, 0x0de40000)
to space 17472K, 0% used [0x0de40000, 0x0de40000, 0x0ef50000)
tenured generation total 349568K, used 41457K [0x199e0000, 0x2ef40000, 0x44490000)
the space 349568K, 11% used [0x199e0000, 0x1c25c5e0, 0x1c25c600, 0x2ef40000)
compacting perm gen total 17152K, used 16984K [0x44490000, 0x45550000, 0x48490000)
the space 17152K, 99% used [0x44490000, 0x45526298, 0x45526400, 0x45550000)
No shared spaces configured.

Code Cache [0x02490000, 0x02908000, 0x04490000)
total_blobs=2305 nmethods=1975 adapters=264 free_code_cache=28893248 largest_free_block=256

Dynamic libraries:

[error occurred during error reporting (printing dynamic libraries), id 0xc0000005]

VM Arguments:
jvm_args: -Xms512m -Xmx1024m
java_command: C:\Users\Tom\Desktop\Minecraft.exe
Launcher Type: SUN_STANDARD

Environment Variables:



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

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