Every time I try to install Forge, I get a black screen.
2013-02-19 22:40:02 [iNFO] [ForgeModLoader] Forge Mod Loader version 4.7.4.520 for Minecraft 1.4.7 loading
2013-02-19 22:40:02 [FINEST] [ForgeModLoader] All core mods are successfully located
2013-02-19 22:40:02 [FINEST] [ForgeModLoader] Discovering coremods
2013-02-19 22:40:02 [FINEST] [ForgeModLoader] Found library file argo-2.25.jar present and correct in lib dir
2013-02-19 22:40:02 [FINEST] [ForgeModLoader] Found library file guava-12.0.1.jar present and correct in lib dir
2013-02-19 22:40:02 [FINEST] [ForgeModLoader] Found library file asm-all-4.0.jar present and correct in lib dir
2013-02-19 22:40:02 [FINEST] [ForgeModLoader] Found library file bcprov-jdk15on-147.jar present and correct in lib dir
2013-02-19 22:40:03 [FINEST] [ForgeModLoader] Running coremod plugins
2013-02-19 22:40:03 [FINEST] [ForgeModLoader] Running coremod plugin FMLCorePlugin
2013-02-19 22:40:03 [iNFO] [ForgeModLoader] Found valid fingerprint for Minecraft Forge. Certificate fingerprint de4cf8a3f3bc15635810044c39240bf96804ea7d
2013-02-19 22:40:03 [FINEST] [ForgeModLoader] Coremod plugin FMLCorePlugin run successfully
2013-02-19 22:40:03 [FINEST] [ForgeModLoader] Running coremod plugin FMLForgePlugin
2013-02-19 22:40:03 [FINEST] [ForgeModLoader] Coremod plugin FMLForgePlugin run successfully
2013-02-19 22:40:03 [FINEST] [ForgeModLoader] Validating minecraft
2013-02-19 22:40:03 [FINEST] [ForgeModLoader] Minecraft validated, launching...
2013-02-19 22:40:07 [iNFO] [sTDOUT] 27 achievements
2013-02-19 22:40:07 [iNFO] [sTDOUT] 210 recipes
2013-02-19 22:40:07 [iNFO] [sTDOUT] Setting user: six672, -7885111241088564050
2013-02-19 22:40:07 [iNFO] [sTDOUT] LWJGL Version: 2.4.2
2013-02-19 22:40:09 [iNFO] [ForgeModLoader] Attempting early MinecraftForge initialization
2013-02-19 22:40:09 [iNFO] [sTDOUT] MinecraftForge v6.6.0.497 Initialized
2013-02-19 22:40:09 [iNFO] [ForgeModLoader] MinecraftForge v6.6.0.497 Initialized
2013-02-19 22:40:10 [iNFO] [sTDOUT] Replaced 84 ore recipies
2013-02-19 22:40:10 [iNFO] [ForgeModLoader] Completed early MinecraftForge initialization
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Building injected Mod Containers [cpw.mods.fml.common.FMLDummyContainer, net.minecraftforge.common.ForgeDummyContainer]
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Attempting to load mods contained in the minecraft jar file and associated classes
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Skipping known library file C:\Users\David\AppData\Roaming\.minecraft\bin\lwjgl.jar
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Skipping known library file C:\Users\David\AppData\Roaming\.minecraft\bin\jinput.jar
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Skipping known library file C:\Users\David\AppData\Roaming\.minecraft\bin\lwjgl_util.jar
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Found a minecraft related file at C:\Users\David\AppData\Roaming\.minecraft\bin\minecraft.jar, examining for mod candidates
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Skipping known library file C:\Users\David\AppData\Roaming\.minecraft\lib\argo-2.25.jar
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Skipping known library file C:\Users\David\AppData\Roaming\.minecraft\lib\guava-12.0.1.jar
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Skipping known library file C:\Users\David\AppData\Roaming\.minecraft\lib\asm-all-4.0.jar
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Skipping known library file C:\Users\David\AppData\Roaming\.minecraft\lib\bcprov-jdk15on-147.jar
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Minecraft jar mods loaded successfully
2013-02-19 22:40:10 [iNFO] [ForgeModLoader] Searching C:\Users\David\AppData\Roaming\.minecraft\mods for mods
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Found a candidate mod directory extrabiomes
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Found a candidate mod directory forestry
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Found a candidate mod directory MineLittlePony
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Found a candidate mod directory mocreatures
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Found a candidate zip or jar file mod_Mobtalker.zip
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Found a candidate mod directory thaumcraft
2013-02-19 22:40:10 [FINE] [ForgeModLoader] Examining file minecraft.jar for potential mods
2013-02-19 22:40:10 [FINE] [ForgeModLoader] The mod container minecraft.jar appears to be missing an mcmod.info file
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Examining directory extrabiomes for potential mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] No mcmod.info file found in directory extrabiomes
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package api
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package api.events
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Examining directory forestry for potential mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] No mcmod.info file found in directory forestry
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package api
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package api.core
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Examining directory MineLittlePony for potential mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] No mcmod.info file found in directory MineLittlePony
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Examining directory mocreatures for potential mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] No mcmod.info file found in directory mocreatures
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Examining file mod_Mobtalker.zip for potential mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] The mod container mod_Mobtalker.zip appears to be missing an mcmod.info file
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Identified a BaseMod type mod mod_Mobtalker
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Examining directory thaumcraft for potential mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] No mcmod.info file found in directory thaumcraft
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package api
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package api.research
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package client
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package client.fx
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package client.gui
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package client.renderers
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.blocks
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.blocks.jars
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.container
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.entities
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.entities.ai
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.entities.golems
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.items
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.items.wands
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.research
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Identified an FMLMod type mod thaumcraft.common.Thaumcraft
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Parsed dependency info : [Forge@[6.5.0.471,)] [Forge@[6.5.0.471,), BuildCraft|Core, BuildCraft|Energy, Forestry, IC2] []
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package common.world
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package resources
2013-02-19 22:40:11 [FINEST] [ForgeModLoader] Recursing into package sound
2013-02-19 22:40:11 [iNFO] [ForgeModLoader] Forge Mod Loader has identified 5 mods to load
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Received a system property request ''
2013-02-19 22:40:11 [FINE] [ForgeModLoader] System property request managing the state of 0 mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] After merging, found state information for 0 mods
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Activating mod mcp
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Activating mod FML
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Activating mod Forge
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Enabling mod mod_Mobtalker
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Activating mod mod_Mobtalker
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Enabling mod Thaumcraft
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Activating mod Thaumcraft
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Verifying mod requirements are satisfied
2013-02-19 22:40:11 [FINE] [ForgeModLoader] All mod requirements are satisfied
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Sorting mods into an ordered list
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Mod sorting completed successfully
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Mod sorting data:
2013-02-19 22:40:11 [FINE] [ForgeModLoader] mod_Mobtalker(mod_Mobtalker:Not available): mod_Mobtalker.zip ()
2013-02-19 22:40:11 [FINE] [ForgeModLoader] Thaumcraft(Thaumcraft:3.0.1c): thaumcraft (required-after:Forge@[6.5.0.471,);after:BuildCraft|Core;after:BuildCraft|Energy;after:Forestry;after:IC2)
2013-02-19 22:40:11 [FINER] [ForgeModLoader] Sending event FMLConstructionEvent to mod mcp
2013-02-19 22:40:11 [FINER] [ForgeModLoader] Sent event FMLConstructionEvent to mod mcp
2013-02-19 22:40:11 [FINER] [ForgeModLoader] Sending event FMLConstructionEvent to mod FML
2013-02-19 22:40:11 [FINER] [ForgeModLoader] Sent event FMLConstructionEvent to mod FML
2013-02-19 22:40:11 [FINER] [ForgeModLoader] Sending event FMLConstructionEvent to mod Forge
2013-02-19 22:40:11 [FINER] [ForgeModLoader] Sent event FMLConstructionEvent to mod Forge
2013-02-19 22:40:11 [FINER] [ForgeModLoader] Sending event FMLConstructionEvent to mod mod_Mobtalker
2013-02-19 22:40:11 [iNFO] [sTDERR] Exception in thread "Minecraft main thread" java.lang.NoClassDefFoundError: arp
2013-02-19 22:40:11 [iNFO] [sTDERR] at java.lang.Class.forName0(Native Method)
2013-02-19 22:40:11 [iNFO] [sTDERR] at java.lang.Class.forName(Unknown Source)
2013-02-19 22:40:11 [iNFO] [sTDERR] at cpw.mods.fml.common.ModClassLoader.loadBaseModClass(ModClassLoader.java:87)
2013-02-19 22:40:11 [iNFO] [sTDERR] at cpw.mods.fml.common.modloader.ModLoaderModContainer.constructMod(ModLoaderModContainer.java:489)
2013-02-19 22:40:11 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-02-19 22:40:11 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-02-19 22:40:11 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-02-19 22:40:11 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-02-19 22:40:11 [iNFO] [sTDERR] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
2013-02-19 22:40:11 [iNFO] [sTDERR] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2013-02-19 22:40:11 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
2013-02-19 22:40:11 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
2013-02-19 22:40:11 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.post(EventBus.java:268)
2013-02-19 22:40:11 [iNFO] [sTDERR] at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:140)
2013-02-19 22:40:11 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-02-19 22:40:12 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-02-19 22:40:12 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-02-19 22:40:12 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-02-19 22:40:12 [iNFO] [sTDERR] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
2013-02-19 22:40:12 [iNFO] [sTDERR] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2013-02-19 22:40:12 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
2013-02-19 22:40:12 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
2013-02-19 22:40:12 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.post(EventBus.java:268)
2013-02-19 22:40:12 [iNFO] [sTDERR] at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:83)
2013-02-19 22:40:12 [iNFO] [sTDERR] at cpw.mods.fml.common.Loader.loadMods(Loader.java:479)
2013-02-19 22:40:12 [iNFO] [sTDERR] at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:161)
2013-02-19 22:40:12 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.a(Minecraft.java:410)
2013-02-19 22:40:12 [iNFO] [sTDERR] at asq.a(SourceFile:56)
2013-02-19 22:40:12 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.run(Minecraft.java:744)
2013-02-19 22:40:12 [iNFO] [sTDERR] at java.lang.Thread.run(Unknown Source)
2013-02-19 22:40:12 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: arp
2013-02-19 22:40:12 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185)
2013-02-19 22:40:12 [iNFO] [sTDERR] at java.lang.ClassLoader.loadClass(Unknown Source)
2013-02-19 22:40:12 [iNFO] [sTDERR] at java.lang.ClassLoader.loadClass(Unknown Source)
2013-02-19 22:40:12 [iNFO] [sTDERR] ... 30 more
2013-02-19 22:40:12 [iNFO] [sTDERR] Caused by: java.lang.NullPointerException
2013-02-19 22:40:12 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:174)
2013-02-19 22:40:12 [iNFO] [sTDERR] ... 32 more
