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this happens every time i go into minecraft and press logg in
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x505f26c0, pid=1304, tid=4168
#
# JRE version: 7.0_06-b24
# Java VM: Java HotSpot(TM) Client VM (23.2-b09 mixed mode windows-x86 )
# Problematic frame:
# C 0x505f26c0
#
# 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 (0x4a7e2c00): JavaThread "Minecraft main thread" daemon [_thread_in_native, id=4168, stack(0x4e7e0000,0x4e830000)]

siginfo: ExceptionCode=0xc0000005, ExceptionInformation=0x00000008 0x505f26c0

Registers:
EAX=0x334fa8a6, EBX=0x4fe8ac00, ECX=0x4fe40180, EDX=0x00000004
ESP=0x4e82f324, EBP=0x4fe2793c, ESI=0x00000000, EDI=0x4e82f374
EIP=0x505f26c0, EFLAGS=0x00010246

Top of Stack: (sp=0x4e82f324)
0x4e82f324: 690d3bbf 4fe8ac00 4fe2793c 00000000
0x4e82f334: 4e82f3dc 505eb700 00000004 4fe28b48
0x4e82f344: 00000030 00000000 505ca600 ffffffff
0x4e82f354: 00000001 00000001 00000000 505f26c0
0x4e82f364: 00000000 4fe8ac00 4fd27780 4fe40180
0x4e82f374: 334fa8a6 00001301 4fdf5b30 6907915e
0x4e82f384: 4fe19af0 4e82f3a0 4e997cb0 4fe19ae8
0x4e82f394: 690896a4 4e82f374 00000000 00001fa0

Instructions: (pc=0x505f26c0)
0x505f26a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x505f26b0: 00 00 00 00 7c 26 5f 50 44 05 00 00 01 00 00 00
0x505f26c0: 55 8b ec 53 56 57 8b d9 8b ca 8b 75 08 81 e1 fc
0x505f26d0: ff ff ff 66 66 66 66 66 66 66 90 66 66 66 66 66


Register to memory mapping:

EAX=0x334fa8a6 is an unallocated location in the heap
EBX=0x4fe8ac00 is an unknown value
ECX=0x4fe40180 is an unknown value
EDX=0x00000004 is an unknown value
ESP=0x4e82f324 is pointing into the stack for thread: 0x4a7e2c00
EBP=0x4fe2793c is an unknown value
ESI=0x00000000 is an unknown value
EDI=0x4e82f374 is pointing into the stack for thread: 0x4a7e2c00


Stack: [0x4e7e0000,0x4e830000], sp=0x4e82f324, free space=316k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C 0x505f26c0

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j org.lwjgl.opengl.GL11.nglClear(IJ)V+0
j org.lwjgl.opengl.GL11.glClear(I)V+15
j org.lwjgl.opengl.Display.initContext()V+16
j org.lwjgl.opengl.Display.create(Lorg/lwjgl/opengl/PixelFormat;Lorg/lwjgl/opengl/Drawable;Lorg/lwjgl/opengl/ContextAttribs;)V+97
j org.lwjgl.opengl.Display.create(Lorg/lwjgl/opengl/PixelFormat;)V+9
j net.minecraft.client.Minecraft.a()V+174
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 )
=>0x4a7e2c00 JavaThread "Minecraft main thread" daemon [_thread_in_native, id=4168, stack(0x4e7e0000,0x4e830000)]
0x4a7e1000 JavaThread "Timer hack thread" daemon [_thread_blocked, id=5052, stack(0x4b600000,0x4b650000)]
0x4a7e2400 JavaThread "Snooper Timer" daemon [_thread_blocked, id=6004, stack(0x4b2b0000,0x4b300000)]
0x4a7e1800 JavaThread "Keep-Alive-Timer" daemon [_thread_blocked, id=4912, stack(0x4b1e0000,0x4b230000)]
0x4b8d7000 JavaThread "D3D Screen Updater" daemon [_thread_blocked, id=3252, stack(0x4e660000,0x4e6b0000)]
0x0230a800 JavaThread "DestroyJavaVM" [_thread_blocked, id=3464, stack(0x01b20000,0x01b70000)]
0x4b752c00 JavaThread "AWT-EventQueue-0" [_thread_blocked, id=5144, stack(0x4d6f0000,0x4d740000)]
0x4b718400 JavaThread "TimerQueue" daemon [_thread_blocked, id=3864, stack(0x4d5a0000,0x4d5f0000)]
0x4b747400 JavaThread "SwingWorker-pool-1-thread-1" daemon [_thread_blocked, id=4652, stack(0x4d5f0000,0x4d640000)]
0x4a916c00 JavaThread "AWT-Windows" daemon [_thread_in_native, id=5736, stack(0x4ade0000,0x4ae30000)]
0x4a916000 JavaThread "AWT-Shutdown" [_thread_blocked, id=5988, stack(0x4ad50000,0x4ada0000)]
0x4a913800 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=3880, stack(0x4ac80000,0x4acd0000)]
0x4a7b0000 JavaThread "Service Thread" daemon [_thread_blocked, id=5800, stack(0x4aa20000,0x4aa70000)]
0x4a7aa800 JavaThread "C1 CompilerThread0" daemon [_thread_blocked, id=2664, stack(0x4aaa0000,0x4aaf0000)]
0x4a7a9800 JavaThread "Attach Listener" daemon [_thread_blocked, id=4820, stack(0x4a690000,0x4a6e0000)]
0x4a7a6400 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=2616, stack(0x4a600000,0x4a650000)]
0x4a753800 JavaThread "Finalizer" daemon [_thread_blocked, id=5872, stack(0x4a990000,0x4a9e0000)]
0x022fb400 JavaThread "Reference Handler" daemon [_thread_blocked, id=3016, stack(0x4a700000,0x4a750000)]

Other Threads:
0x022f6000 VMThread [stack: 0x4a570000,0x4a5c0000] [id=4376]
0x4a7cb000 WatcherThread [stack: 0x4ac30000,0x4ac80000] [id=3884]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
def new generation total 157248K, used 121899K [0x04380000, 0x0ee20000, 0x198d0000)
eden space 139776K, 87% used [0x04380000, 0x0ba8ac28, 0x0cc00000)
from space 17472K, 0% used [0x0cc00000, 0x0cc00000, 0x0dd10000)
to space 17472K, 0% used [0x0dd10000, 0x0dd10000, 0x0ee20000)
tenured generation total 349568K, used 0K [0x198d0000, 0x2ee30000, 0x44380000)
the space 349568K, 0% used [0x198d0000, 0x198d0000, 0x198d0200, 0x2ee30000)
compacting perm gen total 13056K, used 12997K [0x44380000, 0x45040000, 0x48380000)
the space 13056K, 99% used [0x44380000, 0x450314d0, 0x45031600, 0x45040000)
No shared spaces configured.

Card table byte_map: [0x4a180000,0x4a3b0000] byte_map_base: 0x4a15e400

Polling page: 0x00200000

Code Cache [0x02380000, 0x02630000, 0x04380000)
total_blobs=1724 nmethods=1406 adapters=252 free_code_cache=30043Kb largest_free_block=30763712

Compilation events (10 events):
Event: 44.521 Thread 0x4a7aa800 1405 java.lang.String::concat (47 bytes)
Event: 44.522 Thread 0x4a7aa800 nmethod 1405 0x02624888 code [0x026249b0, 0x02624c28]
Event: 44.522 Thread 0x4a7aa800 1406 java.lang.String::getChars (16 bytes)
Event: 44.522 Thread 0x4a7aa800 nmethod 1406 0x02624e08 code [0x02624f10, 0x02624ffc]
Event: 44.530 Thread 0x4a7aa800 1408 sun.reflect.Reflection::quickCheckMemberAccess (10 bytes)
Event: 44.530 Thread 0x4a7aa800 nmethod 1408 0x02625348 code [0x02625440, 0x026254dc]
Event: 44.718 Thread 0x4a7aa800 1409 java.util.HashSet::contains (9 bytes)
Event: 44.718 Thread 0x4a7aa800 nmethod 1409 0x026287c8 code [0x026288d0, 0x0262896c]
Event: 44.724 Thread 0x4a7aa800 1411 java.util.jar.JarFile::maybeInstantiateVerifier (96 bytes)
Event: 44.725 Thread 0x4a7aa800 nmethod 1411 0x02628c88 code [0x02628e00, 0x02629084]

GC Heap History (0 events):
No events

Deoptimization events (0 events):
No events

Internal exceptions (10 events):
Event: 44.688 Thread 0x4a7e2c00 Threw 0x0b6b4db0 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.688 Thread 0x4a7e2c00 Threw 0x0b6b5170 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.719 Thread 0x4a7e2c00 Threw 0x0b6d5ef0 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.719 Thread 0x4a7e2c00 Threw 0x0b6d6318 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.721 Thread 0x4a7e2c00 Threw 0x0b6d93b0 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.721 Thread 0x4a7e2c00 Threw 0x0b6d97a8 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.722 Thread 0x4a7e2c00 Threw 0x0b6dc900 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.722 Thread 0x4a7e2c00 Threw 0x0b6dcd28 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.723 Thread 0x4a7e2c00 Threw 0x0b6e0488 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166
Event: 44.723 Thread 0x4a7e2c00 Threw 0x0b6e0848 at C:\jdk7u2_32P\jdk7u6\hotspot\src\share\vm\prims\jvm.cpp:1166

Events (10 events):
Event: 44.691 Executing VM operation: RevokeBias
Event: 44.691 Executing VM operation: RevokeBias done
Event: 44.719 loading class 0x4b9f0920
Event: 44.719 loading class 0x4b9f0920 done
Event: 44.721 loading class 0x4ba04568
Event: 44.721 loading class 0x4ba04568 done
Event: 44.722 loading class 0x4b9f13a0
Event: 44.722 loading class 0x4b9f13a0 done
Event: 44.723 loading class 0x4b993078
Event: 44.723 loading class 0x4b993078 done


Dynamic libraries:
0x00020000 - 0x0004f000 C:\Program Files\Java\jre7\bin\javaw.exe
0x77330000 - 0x77458000 C:\Windows\system32\ntdll.dll
0x76d30000 - 0x76e0c000 C:\Windows\system32\kernel32.dll
0x76990000 - 0x76a56000 C:\Windows\system32\ADVAPI32.dll
0x77260000 - 0x77323000 C:\Windows\system32\RPCRT4.dll
0x77110000 - 0x771ad000 C:\Windows\system32\USER32.dll
0x76bb0000 - 0x76bfb000 C:\Windows\system32\GDI32.dll
0x74720000 - 0x748be000 C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.6002.18305_none_5cb72f2a088b0ed3\COMCTL32.dll
0x771b0000 - 0x7725a000 C:\Windows\system32\msvcrt.dll
0x76ea0000 - 0x76ef9000 C:\Windows\system32\SHLWAPI.dll
0x774d0000 - 0x774ee000 C:\Windows\system32\IMM32.DLL
0x76ae0000 - 0x76ba8000 C:\Windows\system32\MSCTF.dll
0x774f0000 - 0x774f9000 C:\Windows\system32\LPK.DLL
0x759f0000 - 0x75a6d000 C:\Windows\system32\USP10.dll
0x77460000 - 0x7748d000 C:\Windows\system32\WS2_32.dll
0x77490000 - 0x77496000 C:\Windows\system32\NSI.dll
0x65f10000 - 0x65fce000 C:\Program Files\Java\jre7\bin\msvcr100.dll
0x5dcc0000 - 0x5e00c000 C:\Program Files\Java\jre7\bin\client\jvm.dll
0x733f0000 - 0x733f7000 C:\Windows\system32\WSOCK32.dll
0x73fc0000 - 0x73ff2000 C:\Windows\system32\WINMM.dll
0x766b0000 - 0x767f5000 C:\Windows\system32\ole32.dll
0x76e10000 - 0x76e9d000 C:\Windows\system32\OLEAUT32.dll
0x73f80000 - 0x73fb9000 C:\Windows\system32\OLEACC.dll
0x75950000 - 0x75957000 C:\Windows\system32\PSAPI.DLL
0x736c0000 - 0x736cc000 C:\Program Files\Java\jre7\bin\verify.dll
0x72fb0000 - 0x72fd0000 C:\Program Files\Java\jre7\bin\java.dll
0x6a560000 - 0x6a573000 C:\Program Files\Java\jre7\bin\zip.dll
0x63b10000 - 0x63c52000 C:\Program Files\Java\jre7\bin\awt.dll
0x74a20000 - 0x74a5f000 C:\Windows\system32\uxtheme.dll
0x00280000 - 0x0028a000 C:\Program Files\SweetIM\Messenger\mgAdaptersProxy.dll
0x7c360000 - 0x7c3b6000 C:\Program Files\SweetIM\Messenger\MSVCR71.dll
0x01ac0000 - 0x01b00000 C:\Program Files\Babylon\Babylon-Pro\Captlib.dll
0x76590000 - 0x766ab000 C:\Windows\system32\WININET.dll
0x76c00000 - 0x76c03000 C:\Windows\system32\Normaliz.dll
0x76f50000 - 0x77108000 C:\Windows\system32\iertutil.dll
0x76c10000 - 0x76d21000 C:\Windows\system32\urlmon.dll
0x75a70000 - 0x76581000 C:\Windows\system32\SHELL32.dll
0x74090000 - 0x7409c000 C:\Windows\system32\DWMAPI.DLL
0x6e1b0000 - 0x6e36a000 C:\Windows\system32\d3d9.dll
0x75150000 - 0x75158000 C:\Windows\system32\VERSION.dll
0x6a470000 - 0x6a476000 C:\Windows\system32\d3d8thk.dll
0x6bca0000 - 0x6bf77000 C:\Windows\system32\atiumdag.dll
0x4bd40000 - 0x4c003000 C:\Windows\system32\atiumdva.dll
0x6a390000 - 0x6a3ba000 C:\Program Files\Java\jre7\bin\fontmanager.dll
0x6a540000 - 0x6a554000 C:\Program Files\Java\jre7\bin\net.dll
0x74fe0000 - 0x7501b000 C:\Windows\system32\mswsock.dll
0x75140000 - 0x75145000 C:\Windows\System32\wship6.dll
0x736b0000 - 0x736bf000 C:\Program Files\Java\jre7\bin\nio.dll
0x73b90000 - 0x73b9f000 C:\Windows\system32\NLAapi.dll
0x75240000 - 0x75259000 C:\Windows\system32\IPHLPAPI.DLL
0x75200000 - 0x75235000 C:\Windows\system32\dhcpcsvc.DLL
0x75480000 - 0x754ac000 C:\Windows\system32\DNSAPI.dll
0x75880000 - 0x75894000 C:\Windows\system32\Secur32.dll
0x75530000 - 0x75537000 C:\Windows\system32\WINNSI.DLL
0x751d0000 - 0x751f2000 C:\Windows\system32\dhcpcsvc6.DLL
0x73140000 - 0x7314f000 C:\Windows\system32\napinsp.dll
0x72c90000 - 0x72ca2000 C:\Windows\system32\pnrpnsp.dll
0x72c30000 - 0x72c51000 C:\Program Files\Bonjour\mdnsNSP.dll
0x72c80000 - 0x72c88000 C:\Windows\System32\winrnr.dll
0x76f00000 - 0x76f49000 C:\Windows\system32\WLDAP32.dll
0x74d70000 - 0x74dab000 C:\Windows\system32\rsaenh.dll
0x758a0000 - 0x758be000 C:\Windows\system32\USERENV.dll
0x73130000 - 0x73136000 C:\Windows\system32\rasadhlp.dll
0x74db0000 - 0x74db5000 C:\Windows\System32\wshtcpip.dll
0x6a350000 - 0x6a370000 C:\Program Files\Java\jre7\bin\sunec.dll
0x77500000 - 0x77584000 C:\Windows\system32\CLBCatQ.DLL
0x6f490000 - 0x6f543000 C:\Windows\system32\WindowsCodecs.dll
0x75820000 - 0x7584c000 C:\Windows\system32\apphelp.dll
0x6a3c0000 - 0x6a3df000 C:\Windows\system32\EhStorShell.dll
0x73e00000 - 0x73ebb000 C:\Windows\system32\PROPSYS.dll
0x64470000 - 0x644a1000 C:\Program Files\Java\jre7\bin\t2k.dll
0x6e920000 - 0x6e929000 C:\Program Files\Java\jre7\bin\sunmscapi.dll
0x752e0000 - 0x753d2000 C:\Windows\system32\CRYPT32.dll
0x75440000 - 0x75452000 C:\Windows\system32\MSASN1.dll
0x4b170000 - 0x4b1db000 C:\Users\Simen den lure\AppData\Roaming\.minecraft\bin\natives\lwjgl.dll
0x5dbf0000 - 0x5dcbb000 C:\Windows\system32\OPENGL32.dll
0x65e80000 - 0x65ea3000 C:\Windows\system32\GLU32.dll
0x62e90000 - 0x62f75000 C:\Windows\system32\DDRAW.dll
0x62e80000 - 0x62e86000 C:\Windows\system32\DCIMAN32.dll
0x76800000 - 0x7698a000 C:\Windows\system32\SETUPAPI.dll
0x6a380000 - 0x6a386000 C:\Program Files\Java\jre7\bin\jawt.dll
0x69000000 - 0x698bb000 C:\Windows\system32\atioglxx.dll
0x73300000 - 0x733dc000 C:\Windows\system32\dbghelp.dll

VM Arguments:
jvm_args: -Xms512m -Xmx1024m
java_command: C:\Users\Simen den lure\Desktop\Minecraft (5).exe
Launcher Type: SUN_STANDARD

Environment Variables:
CLASSPATH=.;C:\Program Files\Java\jre6\lib\ext\QTJava.zip
PATH=C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Common Files\Roxio Shared\DLLShared\;C:\Program Files\Common Files\Roxio Shared\9.0\DLLShared\;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Internet Explorer;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Java\jre7\bin
USERNAME=Simen den lure
OS=Windows_NT
PROCESSOR_IDENTIFIER=x86 Family 6 Model 15 Stepping 2, GenuineIntel



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

OS: Windows Vista Build 6002 Service Pack 2

CPU:total 2 (2 cores per cpu, 1 threads per core) family 6 model 15 stepping 2, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, tsc

Memory: 4k page, physical 1833552k(392816k free), swap 3924708k(1611844k free)

vm_info: Java HotSpot(TM) Client VM (23.2-b09) for windows-x86 JRE (1.7.0_06-b24), built on Aug 9 2012 23:02:07 by "java_re" with unknown MS VC++:1600

time: Fri Aug 31 14:35:09 2012
elapsed time: 44 seconds

^ That may not be the problem actually Berwout.

You may actually need more memory!

You can get memory sticks for 20-30 dollars a gig.