Jdownloader probleme

Bonjour a tous, je suis actuellement sous windows 7 et possede jdownloader cependant jdownloader crash et j'ai un fichier .txt qui se creer sur mon bureau et de temps en temps mon pc se bloque completement et je suis obligé de l'eteindre par le bouton d'alimentation. Est-ce que jdownloader y est pour quelquechose? voici se qu'il y a ecrit dans le .txt creer sur mon bureau apré le crash de jdownloader:

#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x6d0b6ae0, pid=3068, tid=4204
#
# JRE version: 6.0_20-b02
# Java VM: Java HotSpot(TM) Client VM (16.3-b01 mixed mode, sharing windows-x86 )
# Problematic frame:
# C [awt.dll+0xb6ae0]
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.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 (0x04787400): JavaThread "AWT-Windows" daemon [_thread_in_native, id=4204, stack(0x04c90000,0x04ce0000)]

siginfo: ExceptionCode=0xc0000005, reading address 0x00000000

Registers:
EAX=0x04cdf76c, EBX=0x04802fc8, ECX=0x000000fc, EDX=0x000000c0
ESP=0x04cdf754, EBP=0x04cdf8b8, ESI=0x00000000, EDI=0x000000c0
EIP=0x6d0b6ae0, EFLAGS=0x00010206

Top of Stack: (sp=0x04cdf754)
0x04cdf754: 04cdf76c 00001000 00000000 0481fb00
0x04cdf764: 0000035c 6d0b3191 00000000 6d0adf6b
0x04cdf774: 00000000 048c0808 6d0b3c81 00009824
0x04cdf784: 04787510 00000001 000005a0 00000001
0x04cdf794: 00000000 000005a0 00000000 04cdf8a0
0x04cdf7a4: 04787510 0477d108 fffffffe 00000000
0x04cdf7b4: 772347c9 00040194 0000c13c 00000000
0x04cdf7c4: 00000000 04cdf888 0000c13c 00000000

Instructions: (pc=0x6d0b6ae0)
0x6d0b6ad0: 05 00 20 00 00 50 c1 e2 05 8d 44 24 14 50 8b fa
0x6d0b6ae0: 8b 16 57 c1 e1 05 51 56 ff 52 2c 85 c0 0f 8c 93

Stack: [0x04c90000,0x04ce0000], sp=0x04cdf754, free space=13d04cdf270k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [awt.dll+0xb6ae0]
C [awt.dll+0x9c6ec]
C [USER32.dll+0x186ef]
C [USER32.dll+0x18876]
C [USER32.dll+0x170f4]
C [USER32.dll+0x1738f]
C [ntdll.dll+0x4642e]
C [USER32.dll+0x192a9]

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j sun.awt.windows.WToolkit.eventLoop()V+0
j sun.awt.windows.WToolkit.run()V+77
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub

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

Java Threads: ( => current thread )
0x04751800 JavaThread "JD-StartDownloads" [_thread_blocked, id=5052, stack(0x04ce0000,0x04d30000)]
0x04758000 JavaThread "HSQLDB Timer @1690726" daemon [_thread_blocked, id=2504, stack(0x043d0000,0x04420000)]
0x04757800 JavaThread "Speedmeter updater" [_thread_blocked, id=2560, stack(0x06ac0000,0x06b10000)]
0x04757400 JavaThread "Tray Icon Updater" [_thread_blocked, id=5928, stack(0x06a20000,0x06a70000)]
0x04756800 JavaThread "DownloadWatchDog" [_thread_blocked, id=3480, stack(0x06740000,0x06790000)]
0x04756c00 JavaThread "Swing-Shell" daemon [_thread_blocked, id=4960, stack(0x066f0000,0x06740000)]
0x04756000 JavaThread "LinkGrabberView: infoupdate" [_thread_blocked, id=2856, stack(0x081a0000,0x081f0000)]
0x04755c00 JavaThread "DownloadView: infoupdate" [_thread_blocked, id=2156, stack(0x08150000,0x081a0000)]
0x04755400 JavaThread "PremiumStatusUpdateTimer" [_thread_blocked, id=2488, stack(0x08100000,0x08150000)]
0x04755000 JavaThread "ClipboardHandler" [_thread_blocked, id=5852, stack(0x080b0000,0x08100000)]
0x04754800 JavaThread "AWT-EventQueue-1" [_thread_in_native, id=1184, stack(0x07f50000,0x07fa0000)]
0x04754400 JavaThread "ByteBuffer debugger" [_thread_blocked, id=3680, stack(0x07f00000,0x07f50000)]
0x04753c00 JavaThread "Http-Server Consumer" [_thread_in_native, id=5412, stack(0x076b0000,0x07700000)]
0x04753800 JavaThread "Schedulercheck" [_thread_blocked, id=5404, stack(0x07660000,0x076b0000)]
0x04752c00 JavaThread "DestroyJavaVM" [_thread_blocked, id=4412, stack(0x00540000,0x00590000)]
0x04752400 JavaThread "D3D Screen Updater" daemon [_thread_blocked, id=4608, stack(0x070c0000,0x07110000)]
0x04752000 JavaThread "TimerQueue" daemon [_thread_blocked, id=4728, stack(0x07070000,0x070c0000)]
0x048bf800 JavaThread "SyntheticaCleanerThread" daemon [_thread_blocked, id=5212, stack(0x06600000,0x06650000)]
=>0x04787400 JavaThread "AWT-Windows" daemon [_thread_in_native, id=4204, stack(0x04c90000,0x04ce0000)]
0x04787000 JavaThread "AWT-Shutdown" [_thread_blocked, id=5312, stack(0x04c40000,0x04c90000)]
0x04786800 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=5112, stack(0x04bd0000,0x04c20000)]
0x040cc800 JavaThread "EventSender" [_thread_blocked, id=4248, stack(0x04380000,0x043d0000)]
0x040cc000 JavaThread "EventSenderWatchDog" [_thread_blocked, id=4860, stack(0x04330000,0x04380000)]
0x040f1400 JavaThread "JUnique/Server/jd.Main" daemon [_thread_in_native, id=4876, stack(0x04270000,0x042c0000)]
0x01ad2800 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=2176, stack(0x03ea0000,0x03ef0000)]
0x01abf800 JavaThread "CompilerThread0" daemon [_thread_blocked, id=1844, stack(0x03e50000,0x03ea0000)]
0x01abc800 JavaThread "Attach Listener" daemon [_thread_blocked, id=5792, stack(0x03e00000,0x03e50000)]
0x01ab9400 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=1100, stack(0x03db0000,0x03e00000)]
0x01ab5400 JavaThread "Finalizer" daemon [_thread_blocked, id=6120, stack(0x01370000,0x013c0000)]
0x01ab0c00 JavaThread "Reference Handler" daemon [_thread_blocked, id=5196, stack(0x00130000,0x00180000)]

Other Threads:
0x01aaf800 VMThread [stack: 0x03d60000,0x03db0000] [id=4120]
0x01adc400 WatcherThread [stack: 0x03ef0000,0x03f40000] [id=692]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
def new generation total 21568K, used 9116K [0x13ad0000, 0x15230000, 0x1e570000)
eden space 19200K, 47% used [0x13ad0000, 0x143b1650, 0x14d90000)
from space 2368K, 0% used [0x14d90000, 0x14d95bb8, 0x14fe0000)
to space 2368K, 0% used [0x14fe0000, 0x14fe0000, 0x15230000)
tenured generation total 47688K, used 30631K [0x1e570000, 0x21402000, 0x33ad0000)
the space 47688K, 64% used [0x1e570000, 0x20359c78, 0x20359e00, 0x21402000)
compacting perm gen total 18688K, used 18542K [0x33ad0000, 0x34d10000, 0x37ad0000)
the space 18688K, 99% used [0x33ad0000, 0x34ceb8b0, 0x34ceba00, 0x34d10000)
ro space 10240K, 51% used [0x37ad0000, 0x37ffae00, 0x37ffae00, 0x384d0000)
rw space 12288K, 54% used [0x384d0000, 0x38b672d8, 0x38b67400, 0x390d0000)

Dynamic libraries:
0x00400000 - 0x00424000 C:\Program Files\Java\jre6\bin\javaw.exe
0x773d0000 - 0x7750c000 C:\Windows\SYSTEM32\ntdll.dll
0x76fb0000 - 0x77084000 C:\Windows\system32\kernel32.dll
0x75770000 - 0x757ba000 C:\Windows\system32\KERNELBASE.dll
0x76800000 - 0x768a0000 C:\Windows\system32\ADVAPI32.dll
0x76d60000 - 0x76e0c000 C:\Windows\system32\msvcrt.dll
0x758f0000 - 0x75909000 C:\Windows\SYSTEM32\sechost.dll
0x76e10000 - 0x76eb1000 C:\Windows\system32\RPCRT4.dll
0x75820000 - 0x758e9000 C:\Windows\system32\USER32.dll
0x77300000 - 0x7734e000 C:\Windows\system32\GDI32.dll
0x77540000 - 0x7754a000 C:\Windows\system32\LPK.dll
0x76760000 - 0x767fd000 C:\Windows\system32\USP10.dll
0x775b0000 - 0x775cf000 C:\Windows\system32\IMM32.DLL
0x77230000 - 0x772fc000 C:\Windows\system32\MSCTF.dll
0x7c340000 - 0x7c396000 C:\Program Files\Java\jre6\bin\msvcr71.dll
0x6d800000 - 0x6da97000 C:\Program Files\Java\jre6\bin\client\jvm.dll
0x73910000 - 0x73942000 C:\Windows\system32\WINMM.dll
0x75430000 - 0x7547b000 C:\Windows\system32\apphelp.dll
0x6d7b0000 - 0x6d7bc000 C:\Program Files\Java\jre6\bin\verify.dll
0x6d330000 - 0x6d34f000 C:\Program Files\Java\jre6\bin\java.dll
0x6d290000 - 0x6d298000 C:\Program Files\Java\jre6\bin\hpi.dll
0x77520000 - 0x77525000 C:\Windows\system32\PSAPI.DLL
0x6d7f0000 - 0x6d7ff000 C:\Program Files\Java\jre6\bin\zip.dll
0x6d610000 - 0x6d623000 C:\Program Files\Java\jre6\bin\net.dll
0x76f70000 - 0x76fa5000 C:\Windows\system32\WS2_32.dll
0x77530000 - 0x77536000 C:\Windows\system32\NSI.dll
0x74f90000 - 0x74fcc000 C:\Windows\system32\mswsock.dll
0x74f80000 - 0x74f86000 C:\Windows\System32\wship6.dll
0x6d630000 - 0x6d639000 C:\Program Files\Java\jre6\bin\nio.dll
0x738c0000 - 0x738d0000 C:\Windows\system32\NLAapi.dll
0x74e50000 - 0x74e94000 C:\Windows\system32\DNSAPI.dll
0x71180000 - 0x71188000 C:\Windows\System32\winrnr.dll
0x71170000 - 0x71180000 C:\Windows\system32\napinsp.dll
0x71150000 - 0x71162000 C:\Windows\system32\pnrpnsp.dll
0x71120000 - 0x71145000 C:\Program Files\Bonjour\mdnsNSP.dll
0x736d0000 - 0x736ec000 C:\Windows\system32\Iphlpapi.DLL
0x736c0000 - 0x736c7000 C:\Windows\system32\WINNSI.DLL
0x74a80000 - 0x74a85000 C:\Windows\System32\wshtcpip.dll
0x704b0000 - 0x704b6000 C:\Windows\system32\rasadhlp.dll
0x73100000 - 0x73138000 C:\Windows\System32\fwpuclnt.dll
0x6d000000 - 0x6d14a000 C:\Program Files\Java\jre6\bin\awt.dll
0x73c00000 - 0x73c51000 C:\Windows\system32\WINSPOOL.DRV
0x76c00000 - 0x76d5c000 C:\Windows\system32\ole32.dll
0x74210000 - 0x743ae000 C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7600.16385_none_421189da2b7fabfc\COMCTL32.dll
0x77550000 - 0x775a7000 C:\Windows\system32\SHLWAPI.dll
0x73e00000 - 0x73e13000 C:\Windows\system32\DWMAPI.DLL
0x740e0000 - 0x74120000 C:\Windows\system32\uxtheme.dll
0x75510000 - 0x7551c000 C:\Windows\system32\CRYPTBASE.dll
0x75b10000 - 0x76759000 C:\Windows\system32\shell32.dll
0x6d230000 - 0x6d284000 C:\Program Files\Java\jre6\bin\fontmanager.dll
0x625f0000 - 0x627b3000 C:\Windows\system32\d3d9.dll
0x74aa0000 - 0x74aa9000 C:\Windows\system32\VERSION.dll
0x74a40000 - 0x74a46000 C:\Windows\system32\d3d8thk.dll
0x5f570000 - 0x5f86d000 C:\Windows\system32\atiumdag.dll
0x5f290000 - 0x5f564000 C:\Windows\system32\atiumdva.dll
0x6d570000 - 0x6d603000 C:\Program Files\Java\jre6\bin\mlib_image.dll
0x6d1a0000 - 0x6d1c3000 C:\Program Files\Java\jre6\bin\dcpr.dll
0x6d790000 - 0x6d798000 C:\Program Files\Java\jre6\bin\sunmscapi.dll
0x755a0000 - 0x756bc000 C:\Windows\system32\CRYPT32.dll
0x75590000 - 0x7559c000 C:\Windows\system32\MSASN1.dll
0x74fd0000 - 0x74fe6000 C:\Windows\system32\CRYPTSP.dll
0x74d70000 - 0x74dab000 C:\Windows\system32\rsaenh.dll
0x74b80000 - 0x74b97000 C:\Windows\system32\USERENV.dll
0x75520000 - 0x7552b000 C:\Windows\system32\profapi.dll
0x768a0000 - 0x7692f000 C:\Windows\system32\OLEAUT32.dll
0x77090000 - 0x7722d000 C:\Windows\system32\SETUPAPI.dll
0x757c0000 - 0x757e7000 C:\Windows\system32\CFGMGR32.dll
0x75750000 - 0x75762000 C:\Windows\system32\DEVOBJ.dll
0x76930000 - 0x769b3000 C:\Windows\system32\CLBCatQ.DLL
0x746d0000 - 0x747c5000 C:\Windows\system32\propsys.dll
0x74670000 - 0x74691000 C:\Windows\system32\ntmarta.dll
0x76ec0000 - 0x76f05000 C:\Windows\system32\WLDAP32.dll
0x627f0000 - 0x62988000 C:\Windows\system32\NetworkExplorer.dll
0x73cd0000 - 0x73dcb000 C:\Windows\system32\WindowsCodecs.dll
0x6e590000 - 0x6e5c1000 C:\Windows\system32\EhStorShell.dll
0x6e560000 - 0x6e58e000 C:\Windows\System32\shdocvw.dll

VM Arguments:
jvm_args: -Xmx512m
java_command: C:\Program Files\JDownloader\JDownloader.jar
Launcher Type: SUN_STANDARD

Environment Variables:
CLASSPATH=.;C:\Program Files\Java\jre6\lib\ext\QTJava.zip
PATH=C:\Program Files\PC Connectivity Solution\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\PROGRA~1\COMMON~1\ULEADS~1\MPEG;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Common Files\DivX Shared\;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Java\jre6\bin
USERNAME=julpiff
OS=Windows_NT
PROCESSOR_IDENTIFIER=x86 Family 6 Model 23 Stepping 6, GenuineIntel

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

OS: Windows 7 Build 7600

CPU:total 2 (2 cores per cpu, 1 threads per core) family 6 model 23 stepping 6, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1

Memory: 4k page, physical 3144120k(1275320k free), swap 6286476k(3521144k free)

vm_info: Java HotSpot(TM) Client VM (16.3-b01) for windows-x86 JRE (1.6.0_20-b02), built on Apr 12 2010 13:52:23 by "java_re" with MS VC++ 7.1 (VS2003)

time: Tue Apr 20 13:06:03 2010
elapsed time: 47295 seconds

merci de votre aide d'avance pour m'eclairer sur se sujet.