Mám problém s minecraftem

Vždy mi minecraft fungoval a jednou jsem to spustila a píšou mi toto:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCES­S_VIOLATION (0×c0000005) at pc=0×6903b212, pid=5812, tid=3808
#
# JRE version: 7.0_25-b17
# Java VM: Java HotSpot™ Client VM (23.25-b01 mixed mode windows-x86 )
# Problematic frame:
# C [atioglxx.dll+0×b212] DrvSwapBuffers+0×a2
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# If you would like to submit a bug report, please visit:
# http://bugrepor­t.sun.com/bugre­port/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug

Nevíte někdo co s tím?
Doplňuji:
mám win 7, zkoušela jsem ho přeinstalovat, ale nepomohlo..