Probleme avec minecraft

Bonjour,

j'ai un probleme avec minecraft sela me mais ceci

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.

If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.



--- BEGIN ERROR REPORT a1dce528 --------
Generated 02/05/11 19:07

Minecraft: Minecraft Beta 1.5_01
OS: Windows XP (x86) version 5.1
Java: 1.6.0_25, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: RADEON XPRESS 200M Series x86/MMX/3DNow!/SSE2 version 2.0.5815 WinXP Release, ATI Technologies Inc.

java.nio.BufferOverflowException
at java.nio.DirectByteBuffer.put(Unknown Source)
at java.nio.ByteBuffer.put(Unknown Source)
at ip.a(SourceFile:178)
at ip.a(SourceFile:84)
at net.minecraft.client.Minecraft.w(SourceFile:384)
at net.minecraft.client.Minecraft.a(SourceFile:299)
at net.minecraft.client.Minecraft.run(SourceFile:658)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT ec7f9c70 ----------





esque quelqun serait m'aider svp