Please help me. None of the modpacks launch!

[soulwithin]

[b#439] Analytics Response [runModpack]: 200

[b#439]  Dec 05, 2014 9:07:53 PM net.minecraft.launchwrapper.LogWrapper log

[b#439]  INFO: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[b#439]  Dec 05, 2014 9:07:53 PM net.minecraft.launchwrapper.LogWrapper log

[b#439]  INFO: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[b#439]  Dec 05, 2014 9:07:53 PM net.minecraft.launchwrapper.LogWrapper log

[b#439]  INFO: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker

[b#439]  2014-12-05 21:07:53 [iNFO] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading

[b#439]  2014-12-05 21:07:53 [iNFO] [ForgeModLoader] Java is Java HotSpot 64-Bit Server VM, version 1.8.0_25, running on Windows 8.1:amd64:6.3, installed at C:Program FilesJavajre1.8.0_25

[b#439]  2014-12-05 21:07:53 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:53 [WARNING] [ForgeModLoader] The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:53 [iNFO] [ForgeModLoader] [AppEng] Core Init

[b#439]  2014-12-05 21:07:53 [WARNING] [ForgeModLoader] The coremod calclavia.lib.CalclaviaPluginLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:53 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:53 [iNFO] [sTDERR] Warning: version of ForgeMultipart-universal-1.6.4-, 1.0.0.250 is newer than request 1.0.0.244

[b#439]  2014-12-05 21:07:53 [WARNING] [ForgeModLoader] The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:53 [WARNING] [ForgeModLoader] The coremod mods.immibis.microblocks.coremod.MicroblocksCoreMod does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:53 [WARNING] [ForgeModLoader] The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod logisticspipes.asm.LogisticsPipesCoreLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod micdoodle8.mods.miccore.MicdoodlePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod openmods.OpenModsCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod mrtjp.projectred.compatibility.CompatibilityCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod universalelectricity.core.UELoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft

[b#439]  2014-12-05 21:07:54 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[b#439]  2014-12-05 21:07:54 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker

[b#439]  2014-12-05 21:07:54 [iNFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[b#439]  2014-12-05 21:07:54 [sEVERE] [ForgeModLoader] Unable to launch

[b#439]  java.util.ConcurrentModificationException

[b#439]   at java.util.ArrayList$Itr.checkForComodification(Unknown Source)

[b#439]   at java.util.ArrayList$Itr.remove(Unknown Source)

[b#439]   at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)

[b#439]   at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

[b#439]  Java HotSpot 64-Bit Server VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0

[plowmanplow]

From the front page: http://www.technicpack.net/article/view/concurrentmodificationexception-in-java-18020.89

[Curunir]

Both possible fixes described here.

Also, don't spill logs into posts, that's what Pastebin is for.