Minecraft ne marche plus

Bonjour, mon minecraft premium ne marche plus. Sa fait 2 mois que sa dure, je lance mon premium, je choisis une version, je la fait charger et la barre bleu de chargement apparaît. Le launcher se ferme pour lancer le jeux et la un page d'erreur apparaît :




[14:51:16] [main/INFO]: Setting user: predator454545
[14:51:16] [main/INFO]: (Session ID is token:9b2d9c4e0d76448091ccc4b5c8882246:6f3656d4c20f40f7b3d9257f004c725c)
Completely ignored arguments: [--nativeLauncherVersion, 286]
[14:51:17] [Client thread/INFO]: LWJGL Version: 2.9.1
Execution protection violation
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x29acef40, pid=4468, tid=5316
#
# 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 0x29acef40
#
# 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\lolo\AppData\Roaming\.minecraft\hs_err_pid4468.log
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.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


Si quelqu'un pourrait m'aider svp

Je tient a préciser que je suis sous Windows Vista et que avant il tournait sur ce pc.

AMD Athlon X2 64



Merci