problème atlauncher lancement

Bonjour,
j'ai téléchargé le modpack atlauncher, j'y ai joué une 1ère fois pas de problème, je le ferme, puis quand je voulais y rejouer, je vais sur le launcher mais je ne peux pas lancer un des modpacks sa me charge les mods et sa revient au launcher

c'est le log:
[28/10/2014 08:23:16 AM] Launching Minecraft with the following arguments (user related stuff has been removed): [C:\Program Files\Java\jre7\bin\javaw, -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump, -XX:-OmitStackTraceInFastThrow, -Xms3072M, -Xmx4096M, -XX:PermSize=2048M, -Duser.language=en, -Duser.country=US, -Dfml.log.level=INFO, -Djava.library.path=**USERSDIR**\Instances\DNSTechpack\bin\natives, -cp, **USERSDIR**\ATLauncher.exe;anything;**USERSDIR**\Instances\DNSTechpack\jarmods\forge-1.7.10-10.13.0.1206-universal.jar;**USERSDIR**\Instances\DNSTechpack\bin\launchwrapper-1.9.jar;**USERSDIR**\Instances\DNSTechpack\bin\asm-all-4.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\akka-actor_2.11-2.3.3.jar;**USERSDIR**\Instances\DNSTechpack\bin\config-1.2.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-actors-migration_2.11-1.1.0.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-compiler-2.11.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-continuations-library_2.11-1.0.2.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-continuations-plugin_2.11.1-1.0.2.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-library-2.11.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-parser-combinators_2.11-1.0.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-reflect-2.11.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-swing_2.11-1.0.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-continuations-plugin_2.11.1-1.0.2.jar;**USERSDIR**\Instances\DNSTechpack\bin\scala-xml_2.11-1.0.2.jar;**USERSDIR**\Instances\DNSTechpack\bin\jopt-simple-4.5.jar;**USERSDIR**\Instances\DNSTechpack\bin\lzma-0.0.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\guava-16.0.jar;**USERSDIR**\Instances\DNSTechpack\bin\commons-lang3-3.2.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\realms-1.3.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\commons-compress-1.8.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\httpclient-4.3.3.jar;**USERSDIR**\Instances\DNSTechpack\bin\commons-logging-1.1.3.jar;**USERSDIR**\Instances\DNSTechpack\bin\httpcore-4.3.2.jar;**USERSDIR**\Instances\DNSTechpack\bin\vecmath-1.3.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\trove4j-3.0.3.jar;**USERSDIR**\Instances\DNSTechpack\bin\icu4j-core-mojang-51.2.jar;**USERSDIR**\Instances\DNSTechpack\bin\codecjorbis-20101023.jar;**USERSDIR**\Instances\DNSTechpack\bin\codecwav-20101023.jar;**USERSDIR**\Instances\DNSTechpack\bin\libraryjavasound-20101123.jar;**USERSDIR**\Instances\DNSTechpack\bin\librarylwjglopenal-20100824.jar;**USERSDIR**\Instances\DNSTechpack\bin\soundsystem-20120107.jar;**USERSDIR**\Instances\DNSTechpack\bin\netty-all-4.0.10.Final.jar;**USERSDIR**\Instances\DNSTechpack\bin\commons-io-2.4.jar;**USERSDIR**\Instances\DNSTechpack\bin\commons-codec-1.9.jar;**USERSDIR**\Instances\DNSTechpack\bin\jinput-2.0.5.jar;**USERSDIR**\Instances\DNSTechpack\bin\jutils-1.0.0.jar;**USERSDIR**\Instances\DNSTechpack\bin\gson-2.2.4.jar;**USERSDIR**\Instances\DNSTechpack\bin\authlib-1.5.16.jar;**USERSDIR**\Instances\DNSTechpack\bin\log4j-api-2.0-beta9.jar;**USERSDIR**\Instances\DNSTechpack\bin\log4j-core-2.0-beta9.jar;**USERSDIR**\Instances\DNSTechpack\bin\lwjgl-2.9.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\lwjgl_util-2.9.1.jar;**USERSDIR**\Instances\DNSTechpack\bin\twitch-5.16.jar;**USERSDIR**\Instances\DNSTechpack\bin\minecraft.jar, net.minecraft.launchwrapper.Launch, --username, REDACTED, --version, 1.7.10, --gameDir, **USERSDIR**\Instances\DNSTechpack, --assetsDir, **USERSDIR**\Configs\Resources, --assetIndex, 1.7.10, --uuid, REDACTED, --accessToken, REDACTED, --userProperties, REDACTED, --userType, mojang, --width=854, --height=480, --tweakClass=cpw.mods.fml.common.launcher.FMLTweaker]
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[28/10/2014 08:23:17 AM] [main/INFO] [FML]: Forge Mod Loader version 7.10.25.1206 for Minecraft 1.7.10 loading
[28/10/2014 08:23:17 AM] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_67, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/INFO] [FML]: [AppEng] Core Init
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod aroma1997.core.coremod.CoreMod does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] Warning: version of CodeChickenLib, 1.1.1.103 is newer than request 1.1.1.101
[28/10/2014 08:23:17 AM] Warning: version of bspkrsCore, 6.13 is newer than request 6.12
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod ic2.core.coremod.IC2core does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod mekanism.common.asm.LoadingHook does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod openblocks.OpenBlocksCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod openeye.CorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod openmods.OpenModsCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod lumien.randomthings.Transformer.RTLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod tconstruct.preloader.TConstructLoaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/INFO] [TCorestruct]: Scalpel. Suction. Lumber axe. CLEAR! *zap*
[28/10/2014 08:23:17 AM] [main/INFO] [TCorestruct]: Constructing preloader (Modules: [tconstruct.preloader.ASMInterfaceRepair, tconstruct.preloader.AccessTransformers])
[28/10/2014 08:23:17 AM] [main/INFO] [TCorestruct]: Found a properties file. Attempting load...
[28/10/2014 08:23:17 AM] [main/INFO] [TCorestruct]: Loaded properties successfully. Using specified settings.
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod thaumcraft.codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod thaumic.tinkerer.preloader.ThaumicTLoaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/WARN] [FML]: The coremod schmoller.tubes.asm.TubesPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[28/10/2014 08:23:17 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[28/10/2014 08:23:18 AM] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[28/10/2014 08:23:18 AM] [main/INFO] [FML]: Found valid fingerprint for Minecraft. Certificate fingerprint cd99959656f753dc28d863b46769f7f8fbaefcfc
[28/10/2014 08:23:18 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[28/10/2014 08:23:18 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[28/10/2014 08:23:18 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[28/10/2014 08:23:18 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[28/10/2014 08:23:18 AM] [main/INFO] [Aroma1997Core]: Finished data injection.
[28/10/2014 08:23:18 AM] [main/INFO] [Aroma1997Core]: Finished data injection.
[28/10/2014 08:23:18 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[28/10/2014 08:23:18 AM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[28/10/2014 08:23:18 AM] [main/ERROR] [LaunchWrapper]: Unable to launch
[28/10/2014 08:23:18 AM] java.lang.RuntimeException: java.lang.RuntimeException: java.io.FileNotFoundException: **USERSDIR**\Instances\DNSTechpack\config\CodeChickenCore.cfg (L’opération demandée n’a pu s’accomplir sur un fichier ayant une section mappée utilisateur ouverte)
[28/10/2014 08:23:18 AM] at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:127) ~[forge-1.7.10-10.13.0.1206-universal.jar:?]
[28/10/2014 08:23:18 AM] at net.minecraft.launchwrapper.Launch.launch(Launch.java:114) [launchwrapper-1.9.jar:?]
[28/10/2014 08:23:18 AM] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
[28/10/2014 08:23:18 AM] Caused by: java.lang.RuntimeException: java.io.FileNotFoundException: **USERSDIR**\Instances\DNSTechpack\config\CodeChickenCore.cfg (L’opération demandée n’a pu s’accomplir sur un fichier ayant une section mappée utilisateur ouverte)
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigFile.saveConfig(ConfigFile.java:98) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigTag.saveConfig(ConfigTag.java:29) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigTagParent.getTag(ConfigTagParent.java:111) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigTagParent.getTag(ConfigTagParent.java:120) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.core.asm.TweakTransformer.load(TweakTransformer.java:49) ~[CodeChickenCore-1.7.10-1.0.3.23-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.core.launch.CodeChickenCorePlugin.call(CodeChickenCorePlugin.java:127) ~[CodeChickenCore-1.7.10-1.0.3.23-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.core.launch.CodeChickenCorePlugin.call(CodeChickenCorePlugin.java:30) ~[CodeChickenCore-1.7.10-1.0.3.23-universal.jar:?]
[28/10/2014 08:23:18 AM] at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:123) ~[forge-1.7.10-10.13.0.1206-universal.jar:?]
[28/10/2014 08:23:18 AM] ... 2 more
[28/10/2014 08:23:18 AM] Caused by: java.io.FileNotFoundException: **USERSDIR**\Instances\DNSTechpack\config\CodeChickenCore.cfg (L’opération demandée n’a pu s’accomplir sur un fichier ayant une section mappée utilisateur ouverte)
[28/10/2014 08:23:18 AM] at java.io.FileOutputStream.open(Native Method) ~[?:1.7.0_67]
[28/10/2014 08:23:18 AM] at java.io.FileOutputStream.<init>(Unknown Source) ~[?:1.7.0_67]
[28/10/2014 08:23:18 AM] at java.io.FileOutputStream.<init>(Unknown Source) ~[?:1.7.0_67]
[28/10/2014 08:23:18 AM] at java.io.PrintWriter.<init>(Unknown Source) ~[?:1.7.0_67]
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigFile.saveConfig(ConfigFile.java:96) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigTag.saveConfig(ConfigTag.java:29) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigTagParent.getTag(ConfigTagParent.java:111) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.lib.config.ConfigTagParent.getTag(ConfigTagParent.java:120) ~[CodeChickenLib-1.7.10-1.1.1.103-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.core.asm.TweakTransformer.load(TweakTransformer.java:49) ~[CodeChickenCore-1.7.10-1.0.3.23-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.core.launch.CodeChickenCorePlugin.call(CodeChickenCorePlugin.java:127) ~[CodeChickenCore-1.7.10-1.0.3.23-universal.jar:?]
[28/10/2014 08:23:18 AM] at codechicken.core.launch.CodeChickenCorePlugin.call(CodeChickenCorePlugin.java:30) ~[CodeChickenCore-1.7.10-1.0.3.23-universal.jar:?]
[28/10/2014 08:23:18 AM] at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:123) ~[forge-1.7.10-10.13.0.1206-universal.jar:?]
[28/10/2014 08:23:18 AM] ... 2 more
[28/10/2014 08:23:18 AM] Checking for updated files!
[28/10/2014 08:23:19 AM] No updates found!

ça me faisais le même problème sur B-team
Merci d'avance pour ceux qui pourrons m'aider