[Launcher crash ] Carthésia

Bonjour , j'essaie de démarrer le launcher et voici ce que ça me dit :

[17:57:33] [main/INFO]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[17:57:34] [main/INFO]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[17:57:34] [main/INFO]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[17:57:34] [main/INFO]: Calling tweak class mc.ambientocclusion.xrayinstaller.XRayTweaker
[XRay] Injecting into classloader...
[XRay] from C:\Users\Lancelot\AppData\Roaming\.Carthésia\mods\XRay-1.7.2-v2.15.2.jar
[XRay] xray version = v2.15.2
[XRay] target version = 1.7.2
[XRay] launchjar = C:\Users\Lancelot\AppData\Roaming\.Carth%c3%a9sia\versions\1.7.2\1.7.2.jar
[XRay] [ERROR] There was an error injecting XRay into the classloader!
[XRay] [ERROR] java.io.FileNotFoundException: File 'C:\Users\Lancelot\AppData\Roaming\.Carth%c3%a9sia\versions\1.7.2\1.7.2.jar' does not exist
[17:57:34] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLDeobfTweaker
java.io.FileNotFoundException: C:\Users\Lancelot\AppData\Roaming\.Carthésia\config\InvTweaksCompatibility.xml (Le fichier spécifié est introuvable)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at sun.net.www.protocol.file.FileURLConnection.connect(Unknown Source)
at sun.net.www.protocol.file.FileURLConnection.getInputStream(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(Unknown Source)
at invtweaks.forge.asm.compatibility.CompatibilityConfigLoader.load(CompatibilityConfigLoader.java:25)
at invtweaks.forge.asm.ContainerTransformer.lateInit(ContainerTransformer.java:94)
at invtweaks.forge.asm.ContainerTransformer.transform(ContainerTransformer.java:109)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:276)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:174)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:86)
at cpw.mods.fml.common.launcher.FMLDeobfTweaker.injectIntoClassLoader(FMLDeobfTweaker.java:32)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[17:57:38] [main/INFO]: Calling tweak class shadersmodcore.loading.SMCTweaker
OptiFineForgeTweaker: getLaunchArguments
[17:57:38] [main/INFO]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[SMC FNE]transforming azd net.minecraft.client.Minecraft
[SMC FNE] 65402 (+59)
[17:57:48] [main/INFO]: Setting user: Thefireman5
[SMC FNE]transforming ahu net.minecraft.block.Block
[SMC FNE] 68911 (+0)
[SMC FNE]transforming zt net.minecraft.item.ItemBlock
[SMC FNE] 6395 (+0)
[17:57:54] [Client thread/INFO]: LWJGL Version: 2.9.0
[SMC FNE]transforming bul net.minecraft.client.renderer.OpenGlHelper
[SMC FNT] set activeTexUnit
[SMC FNE] 3204 (+65)
[OptiFine]
[OptiFine] OptiFine_1.7.2_HD_D1
[OptiFine] Wed Feb 11 17:57:55 GMT+01:00 2015
[OptiFine] OS: Windows 8.1 (amd64) version 6.3
[OptiFine] Java: 1.7.0_75, Oracle Corporation
[OptiFine] VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
[OptiFine] LWJGL: 2.9.0
[OptiFine] OpenGL: AMD Radeon HD 8370D version 4.4.13283 Compatibility Profile Context 14.501.1003.1001, ATI Technologies Inc.
[OptiFine] OpenGL Version: 4.0
[OptiFine] OpenGL Fancy fog: Not available (GL_NV_fog_distance)
[OptiFine] Maximum texture size: 16384x16384
[OptiFine] Checking for new version
[SMC FNE]transforming bpi net.minecraft.client.renderer.texture.DynamicTexture
[SMC FNE] 1328 (+234)
[SMC FNE]transforming bph net.minecraft.client.renderer.texture.AbstractTexture
[SMC FNE] 1028 (+376)
[SMC FNE]transforming bpz net.minecraft.client.renderer.texture.ITextureObject
[SMC FNE] 297 (+63)
[SMC FNE]transforming bpr net.minecraft.client.renderer.texture.TextureMap
[SMC FNT] loadRes
[SMC FNT] loadRes
[SMC FNT] allocateTextureMap
[SMC FNT] setSprite setIconName
[SMC FNT] uploadTexSubForLoadAtlas
[SMC FNE] 22740 (+765)
[OptiFine] Version found: D5
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000006029934b, pid=2740, tid=5320
#
# JRE version: Java(TM) SE Runtime Environment (7.0_75-b13) (build 1.7.0_75-b13)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.75-b04 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C [atio6axx.dll+0xd8934b]
#
# 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\Lancelot\AppData\Roaming\.Carthésia\hs_err_pid2740.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.
#
### Le jeu a crashé ! ###


Que faire ?
Merci