Problème de launcher

Bonjour, j'aimerais que vous m'aidiez à résoudre le problème suivant:
Quand je lance mon Minecraft, le jeu se lance normalement du coup je vais dans un serveur et dès que je bouge paf mon Minecraft se déconnecte et affiche ce message:

# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000001b63b6b5, pid=4440, tid=3388
#
# JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C [ig75icd64.dll+0x6b6b5]
#
# 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\Brigitte\AppData\Roaming\.minecraft\hs_err_pid4440.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.
#
AL lib: (EE) alc_cleanup: 1 device not closed
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

J'espère que quelqu'un arrivera à m'aider ;) merci d'avance.