RTC crash when opening task

Hi,
I'm having some problems with Jazz and RTC, when opening a task (double click on it), RTC become extremely slow and eventually crash.

I tried starting RTC with a command prompt to get the stack trace and here is what I've got :

C:\Documents and Settings\Administrateur>C:\SDP75x\jdk\jre\bin\java.exe -jar C:\SDP75x\plugins\org.eclipse.equinox.launcher_1.0.101.R34x_v20081125.jar
Unhandled exception
Type=Segmentation error vmState=0x00040000
J9Generic_Signal_Number=00000004 ExceptionCode=c0000005 ExceptionAddress=5F4BF75B ContextFlags=0001003f
Handler1=7FEFA090 Handler2=7FECBE40 InaccessibleAddress=A5283478
EDI=A5283478 ESI=A5283478 EAX=18121212 EBX=5F836E78
ECX=00000127 EDX=00000018
EIP=5F4BF75B ESP=004AF57C EBP=004AF590 EFLAGS=00210293
GS=0000 FS=003B ES=0023 DS=0023
Module=C:\WINDOWS\WinSxS\x86_Microsoft.Windows.GdiPlus_6595b64144ccf1df_1.0.6001.22319_x-ww_f0b4c2df\gdiplus.dll
Module_base_address=5F4B0000 Offset_in_DLL=0000f75b
Target=2_40_20091125_047905 (Windows XP 5.1 build 2600 Service Pack 3)
CPU=x86 (2 logical CPUs) (0xb6c09000 RAM)
----------- Stack Backtrace -----------
GdipCreateFromHDC+0xcf6 (0x5F4BF75B )
GdipCreateFromHDC+0x93e (0x5F4BF3A3 )
GdipCloneBitmapArea+0x3297c (0x5F58AAA2 )
GdipCloneBitmapArea+0x32b31 (0x5F58AC57 )
GdipDeletePen+0xb797 (0x5F529C24 )
GdipGetInterpolationMode+0x901 (0x5F4C6D7B )
GdipCreateFromHDC+0x85b (0x5F4BF2C0 )
GdipIsInfiniteRegion+0x16a4 (0x5F4FEFE2 )
GdipGetPropertyItem+0x1d38 (0x5F51D257 )
GdipGetPropertyItem+0x1ce9 (0x5F51D208 )
GdipCloneBitmapArea+0xbe08 (0x5F563F2E )
GdipDrawPath+0xf9 (0x5F550A5D )
_Java_org_eclipse_swt_internal_gdip_Gdip_Graphics_1DrawPath@20+0x3c (0x5F331E91 )
callVirtualIntMethodV+0x26 (jnicgen.c:101, 0x7FF06396 )
_Java_org_eclipse_swt_internal_Callback_reset@8+0x180 (0x5F201465 )
GetDC+0x6d (0x7E398734 )
GetDC+0x14f (0x7E398816 )
DefWindowProcW+0x180 (0x7E3A8EA0 )
DefWindowProcW+0x1cc (0x7E3A8EEC )
KiUserCallbackDispatcher+0x13 (0x7C91E473 )
DispatchMessageW+0xf (0x7E398A10 )
_Java_org_eclipse_swt_internal_win32_OS_DispatchMessageW@12+0x31 (0x5F203A1E )
(0x63182166)
JVM_InvokeMethod+0x50 (jvm.c:3969, 0x7FBD4560 )
Java_sun_reflect_NativeMethodAccessorImpl_invoke0+0x15 (nativeaccessors.c:28, 0x7F3F663E )
hashTableFindNode+0x29 (hashtable.c:597, 0x7FF36BA9 )
loadNonArrayClass+0x45 (classsupport.c:696, 0x7FEF6D35 )
signalProtectAndRunGlue+0xa (jnicsup.c:1840, 0x7FF07E0A )
gpProtectAndRun+0x38 (jnicsup.c:410, 0x7FF08658 )
gpCheckCallin+0x3a (jnicsup.c:558, 0x7FF0870A )
callStaticVoidMethod+0x44 (jnicgen.c:303, 0x7FF06D64 )
getString646_USChars+0x7a (jni_util.c:480, 0x0040372B )
getString646_USChars+0x7a (jni_util.c:480, 0x0040372B )
(0x00034E30)
Java_java_io_WinNTFileSystem_getDriveDirectory+0x69 (winntfilesystem_md.c:732, 0x00409615 )
GetModuleFileNameA+0x1ba (0x7C80B729 )
---------------------------------------
JVMDUMP006I Traitement de l'vnement de dump en cours "gpf", dtails "" - Veuillez patienter.
JVMDUMP032I
JVMDUMP010I Dump System crit dans C:\Documents and Settings\Administrateur\core.20100917.140339.5584.0001.dmp
JVMDUMP032I
JVMDUMP010I Dump Snap crit dans C:\Documents and Settings\Administrateur\Snap.20100917.140339.5584.0002.trc
JVMDUMP032I
JVMDUMP010I Dump Java crit dans C:\Documents and Settings\Administrateur\javacore.20100917.140339.5584.0003.txt
JVMDUMP013I Evnement de dump trait "gpf", dtails "".

Here is what I'm using :
Rational Team Concert
Version: 2.0.0.2
Build id: I20091211-0451


Can someone help me? I would really like start doing some productive work.

Thank you.