i need help debuging my limewire program here is what it says:

LimeWire version 4.11.0
Java version 1.5.0_06 from Sun Microsystems Inc.
Windows XP v. 5.1 on x86
Free/total memory: 917568/12795904

FATAL ERROR!

java.lang.ExceptionInInitializerError
at com.limegroup.gnutella.RouterService.start(RouterS ervice.java:436)
at com.limegroup.gnutella.gui.Initializer.initialize( Initializer.java:301)
at com.limegroup.gnutella.gui.GUILoader.load(GUILoade r.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.limegroup.gnutella.gui.Main.main(Main.java:44)
Caused by: java.lang.IllegalStateException: unread block data
at java.io.ObjectInputStream$BlockDataInputStream.set BlockDataMode(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknow n Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unkno wn Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at java.util.HashMap.readObject(Unknown Source)
at sun.reflect.GeneratedMethodAccessor17.invoke(Unkno wn Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unkno wn Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at com.limegroup.gnutella.spam.RatingTable.readData(R atingTable.java:214)
at com.limegroup.gnutella.spam.RatingTable.<init>(Rat ingTable.java:58)
at com.limegroup.gnutella.spam.RatingTable.<clinit>(R atingTable.java:34)
... 8 more


-- listing session information --
Current thread: main
Active Threads: 27
Uptime: 0:12
Is Connected: false
Number of Ultrapeer -> Ultrapeer Connections: 0
Number of Ultrapeer -> Leaf Connections: 0
Number of Leaf -> Ultrapeer Connections: 0
Number of Old Connections: 0
Acting as Ultrapeer: false
Acting as Shielded Leaf: false
Number of Active Uploads: 0
Number of Queued Uploads: 0
Number of Active Managed Downloads: 0
Number of Active HTTP Downloaders: 0
Number of Waiting Downloads: 0
Received incoming this session: false
Number of Shared Files: 0
Guess Capable: false
Received Solicited UDP: true
SIMPP version: 46
Port Stable: true
FWT Capable: true
Last Reported Port: 7575
External Port: 7575
IP Pongs Received: 17

-- listing threads --
TOTD: 1
MessageDispatch: 1
IconLoader: 1
FileManagerLoader: 1
NIODispatcher: 1
QueryUnicaster: 1
UDPHostRanker: 1
Image Fetcher 2: 1
Handshaking: 4
Java2D Disposer: 1
TimerQueue: 1
Thread-7: 1
main: 1
MulticastService: 1
Image Animator 3: 1
AWT-Shutdown: 1
AWT-Windows: 1
AWT-EventQueue-0: 1
ContentProcessor: 1
QRPPropagator: 1
Timer-0: 1
Image Fetcher 1: 1
UpdateHandler: 1
Image Fetcher 0: 1


-- listing properties --
FILTER_HASH_QUERIES=true
APP_HEIGHT=560
FRACTIONAL_UPTIME=0.013230769
LAST_EXPIRE_TIME=1144759600468
SESSIONS=21
LAST_ACCEPTABLE_BUG_VERSION=4.10.10
UPDATE_DOWNLOAD_DELAY=10000000
USE_BUG_SERVLET=true
RUN_ONCE=true
COUNTRY=
CONTENT_MANAGEMENT_ACTIVE=true
MIN_CONNECT_TIME=7
CLIENT_ID=D9BEBE0955196F8D3933A9798670E100
CONTENT_AUTHORITIES=fserv1.limewire.com:10000
LAST_SHUTDOWN_TIME=1145260048203
MAX_UPLOAD_BYTES_PER_SEC=194
IDLE_CONNECTIONS=2
PORT=7575
TOTAL_UPTIME=66048
AVERAGE_UPTIME=5504
UNSET_FIREWALLED_FROM_CONNECTBACK=true
UPDATE_GIVEUP_FACTOR=24
FLUSH_DELAY_TIME=256
APP_WIDTH=800
INSTALLED=true
MAX_SIM_DOWNLOAD=17
LAST_GWEBCACHE_FETCH_TIME=1144759665265
UI_LIBRARY_TREE_DIVIDER_LOCATION=132
CONNECTION_SPEED=350
MAX_DOWNLOAD_BYTES_PER_SEC=400
UPDATE_DELAY=252000020
CLEAR_DOWNLOAD=true


thank you for your help.