"C:\Program Files\Java\jre6\bin\java.exe" -Xms560M -Xmx1024M -jar Minecraft.jar
Heap size: 989.0
Heap is big size
An unrecoverable stack overflow has occurred.
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_STACK_OVERFLOW (0xc00000fd) at pc=0x03b758ac, pid=4428, tid=4120
#
# JRE version: 6.0_24-b07
# Java VM: Java HotSpot(TM) Client VM (19.1-b02 mixed mode windows-x86 )
# Problematic frame:
#
C



а потом это и всё чёрный экран