Minecraft Keeps On Crasing. The Crash Report Is Below.

---- Minecraft Crash Report ----
// My bad.

Time: 11/18/12 3:15 PM
Description: Updating screen events

java.lang.IndexOutOfBoundsException: -100
at java.nio.DirectByteBuffer.get(Unknown Source)
at org.lwjgl.input.Keyboard.isKeyDown(Keyboard.java:399)
at avl.a(SourceFile:266)
at aue.n(SourceFile:150)
at aue.m(SourceFile:114)
at net.minecraft.client.Minecraft.l(SourceFile:1085)
at net.minecraft.client.Minecraft.J(SourceFile:582)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Stacktrace:
at java.nio.DirectByteBuffer.get(Unknown Source)
at org.lwjgl.input.Keyboard.isKeyDown(Keyboard.java:399)
at avl.a(SourceFile:266)
at aue.n(SourceFile:150)
at aue.m(SourceFile:114)

– Affected screen –
Details:
Screen name: avl

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [ayk['Carl_Ian_Voller'/169, l='MpServer', x=-1403.35, y=5.62, z=187.35]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-1407,4,-30), Chunk: (at 1,0,2 in -88,-2; contains blocks -1408,0,-32 to -1393,255,-17), Region: (-3,-1; contains chunks -96,-32 to -65,-1, blocks -1536,0,-512 to -1025,255,-1)
Level time: 3249959 game time, 3299660 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 70 total; [mc['entity.ItemFrame.name'/137, l='MpServer', x=-1394.06, y=4.50, z=161.50], mc['entity.ItemFrame.name'/136, l='MpServer', x=-1394.94, y=4.50, z=161.50], mc['entity.ItemFrame.name'/139, l='MpServer', x=-1394.06, y=4.50, z=163.50], mc['entity.ItemFrame.name'/138, l='MpServer', x=-1394.06, y=4.50, z=162.50], py['Minecart'/140, l='MpServer', x=-1393.50, y=4.64, z=167.84], ow['Bat'/62429, l='MpServer', x=-1429.81, y=9.10, z=207.25], mc['entity.ItemFrame.name'/129, l='MpServer', x=-1394.94, y=5.50, z=163.50], mc['entity.ItemFrame.name'/128, l='MpServer', x=-1394.94, y=5.50, z=162.50], mc['entity.ItemFrame.name'/131, l='MpServer', x=-1394.06, y=5.50, z=163.50], mc['entity.ItemFrame.name'/130, l='MpServer', x=-1394.06, y=5.50, z=161.50], mc['entity.ItemFrame.name'/133, l='MpServer', x=-1394.94, y=4.50, z=163.50], mc['entity.ItemFrame.name'/132, l='MpServer', x=-1394.06, y=5.50, z=162.50], mc['entity.ItemFrame.name'/135, l='MpServer', x=-1394.94, y=4.50, z=160.50], mc['entity.ItemFrame.name'/134, l='MpServer', x=-1394.94, y=4.50, z=162.50], pd['Pig'/152, l='MpServer', x=-1362.22, y=4.00, z=118.84], pd['Pig'/156, l='MpServer', x=-1349.91, y=4.00, z=130.31], mc['entity.ItemFrame.name'/148, l='MpServer', x=-1391.50, y=4.50, z=159.94], mc['entity.ItemFrame.name'/149, l='MpServer', x=-1391.06, y=5.50, z=166.50], ow['Bat'/5730, l='MpServer', x=-1396.50, y=5.10, z=202.25], mc['entity.ItemFrame.name'/191, l='MpServer', x=-1393.06, y=2.50, z=184.50], pd['Pig'/53, l='MpServer', x=-1456.31, y=4.00, z=160.16], ayk['Carl_Ian_Voller'/169, l='MpServer', x=-1403.35, y=5.62, z=187.35], mc['entity.ItemFrame.name'/205, l='MpServer', x=-1397.50, y=11.50, z=202.94], mc['entity.ItemFrame.name'/204, l='MpServer', x=-1396.94, y=11.50, z=203.50], mc['entity.ItemFrame.name'/201, l='MpServer', x=-1395.94, y=2.50, z=195.50], mc['entity.ItemFrame.name'/200, l='MpServer', x=-1397.50, y=2.50, z=197.06], mc['entity.ItemFrame.name'/203, l='MpServer', x=-1397.50, y=11.50, z=204.06], mc['entity.ItemFrame.name'/202, l='MpServer', x=-1398.06, y=11.50, z=203.50], mc['entity.ItemFrame.name'/197, l='MpServer', x=-1393.94, y=2.50, z=204.50], mc['entity.ItemFrame.name'/196, l='MpServer', x=-1393.06, y=2.50, z=202.50], mc['entity.ItemFrame.name'/199, l='MpServer', x=-1397.94, y=2.50, z=202.50], mc['entity.ItemFrame.name'/198, l='MpServer', x=-1393.94, y=2.50, z=198.50], mc['entity.ItemFrame.name'/193, l='MpServer', x=-1395.94, y=2.50, z=177.50], mc['entity.ItemFrame.name'/192, l='MpServer', x=-1395.94, y=2.50, z=186.50], mc['entity.ItemFrame.name'/195, l='MpServer', x=-1393.06, y=2.50, z=193.50], py['Minecart'/194, l='MpServer', x=-1404.81, y=13.67, z=201.50], py['Minecart'/220, l='MpServer', x=-1374.50, y=5.08, z=184.44], qu['Villager'/223, l='MpServer', x=-1355.53, y=17.00, z=193.25], py['Minecart'/216, l='MpServer', x=-1380.50, y=3.89, z=188.41], mc['entity.ItemFrame.name'/212, l='MpServer', x=-1379.06, y=8.50, z=188.50], mc['entity.ItemFrame.name'/213, l='MpServer', x=-1379.06, y=8.50, z=189.50], mc['entity.ItemFrame.name'/214, l='MpServer', x=-1379.06, y=8.50, z=190.50], mc['entity.ItemFrame.name'/215, l='MpServer', x=-1379.06, y=8.50, z=191.50], mc['entity.ItemFrame.name'/209, l='MpServer', x=-1379.06, y=8.50, z=186.50], mc['entity.ItemFrame.name'/210, l='MpServer', x=-1379.06, y=8.50, z=185.50], mc['entity.ItemFrame.name'/211, l='MpServer', x=-1379.06, y=8.50, z=187.50], py['Minecart'/98, l='MpServer', x=-1418.84, y=4.36, z=115.50], py['Minecart'/99, l='MpServer', x=-1419.28, y=4.36, z=116.75], mc['entity.ItemFrame.name'/110, l='MpServer', x=-1395.94, y=2.50, z=173.50], mc['entity.ItemFrame.name'/111, l='MpServer', x=-1392.06, y=5.50, z=163.50], mc['entity.ItemFrame.name'/108, l='MpServer', x=-1393.50, y=4.50, z=159.94], mc['entity.ItemFrame.name'/109, l='MpServer', x=-1393.06, y=2.50, z=174.50], mc['entity.ItemFrame.name'/106, l='MpServer', x=-1393.50, y=5.50, z=159.94], mc['entity.ItemFrame.name'/107, l='MpServer', x=-1395.50, y=4.50, z=159.94], mc['entity.ItemFrame.name'/119, l='MpServer', x=-1392.94, y=4.50, z=162.50], mc['entity.ItemFrame.name'/118, l='MpServer', x=-1392.94, y=4.50, z=163.50], mc['entity.ItemFrame.name'/117, l='MpServer', x=-1392.94, y=5.50, z=161.50], mc['entity.ItemFrame.name'/116, l='MpServer', x=-1392.94, y=5.50, z=160.50], mc['entity.ItemFrame.name'/115, l='MpServer', x=-1392.94, y=5.50, z=162.50], mc['entity.ItemFrame.name'/114, l='MpServer', x=-1392.94, y=5.50, z=163.50], mc['entity.ItemFrame.name'/113, l='MpServer', x=-1392.06, y=5.50, z=161.50], mc['entity.ItemFrame.name'/112, l='MpServer', x=-1392.06, y=5.50, z=162.50], mc['entity.ItemFrame.name'/127, l='MpServer', x=-1394.94, y=5.50, z=161.50], mc['entity.ItemFrame.name'/126, l='MpServer', x=-1394.94, y=5.50, z=160.50], mc['entity.ItemFrame.name'/125, l='MpServer', x=-1392.06, y=4.50, z=162.50], mc['entity.ItemFrame.name'/124, l='MpServer', x=-1392.06, y=4.50, z=163.50], mc['entity.ItemFrame.name'/123, l='MpServer', x=-1392.06, y=4.50, z=161.50], mc['entity.ItemFrame.name'/122, l='MpServer', x=-1392.94, y=4.50, z=161.50], mc['entity.ItemFrame.name'/121, l='MpServer', x=-1392.94, y=4.50, z=160.50], mc['entity.ItemFrame.name'/120, l='MpServer', x=-1392.94, y=4.50, z=160.50]]
Retry entities: 0 total; []
Stacktrace:
at ayh.a(SourceFile:290)
at net.minecraft.client.Minecraft.b(SourceFile:1870)
at net.minecraft.client.Minecraft.run(SourceFile:543)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 1.4.4
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 169022352 bytes (161 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 11639 (651784 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.4.2
OpenGL: Mobile Intel(R) 4 Series Express Chipset Family GL version 2.1.0 - Build 8.15.10.2302, Intel
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 702 (39312 bytes; 0 MB) allocated, 24 (1344 bytes; 0 MB) used