Minecraft crashant dans le launcher

Bonjour, j'utilise le Minecraft officiel fournis par mojang, et un ordinateur avec windows vista 2 gigas de RAM, qui marche parfaitement, pourtant lorsque je lance minecraft( que j'appuie sur jouer) un message d'erreur s'affiche :

Execution protection violation
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x2855ef40, pid=4540, tid=6060
#
# JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
# Java VM: Java HotSpot(TM) Client VM (25.25-b02 mixed mode windows-x86 )
# Problematic frame:
# C 0x2855ef40
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# C:\Users\Monique\AppData\Roaming\.minecraft\hs_err_pid4540.log
#
# 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.
#
Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release



Quelqu'un pourrait-il m'aider ? merci d'avance