[1.43] Crashes after "Mojang" Screen

I keep crashing after the "Mojang" screen. Anybody why or how this is happening? I can run vanilla Minecraft just fine. I'm using Forge #303 (The latest recommended build.)

---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 10/13/12 7:57 PM
Description: Failed to start game

cpw.mods.fml.common.LoaderException: java.lang.reflect.InvocationTargetException
at cpw.mods.fml.common.LoadController.transition(LoadController.java:102)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:640)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:183)
at net.minecraft.client.Minecraft.a(Minecraft.java:461)
at net.minecraft.client.Minecraft.run(Minecraft.java:748)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:437)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:81)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:639)
... 4 more
Caused by: java.lang.NullPointerException
at dan200.turtle.shared.CCTurtleProxyCommon.registerTileEntities(CCTurtleProxyCommon.java:325)
at dan200.turtle.shared.CCTurtleProxyCommon.load(CCTurtleProxyCommon.java:41)
at dan200.turtle.client.CCTurtleProxyClient.load(CCTurtleProxyClient.java:35)
at dan200.CCTurtle.load(CCTurtle.java:92)
... 30 more

Relevant Details:
- Minecraft Version: 1.3.2
- Operating System: Mac OS X (i386) version 10.7.4
- Java Version: 1.6.0_33, Apple Inc.
- Java VM Version: Java HotSpot™ Client VM (mixed mode), Apple Inc.
- Memory: 498097656 bytes (475 MB) / 535232512 bytes (510 MB) up to 1070399488 bytes (1020 MB)
- JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
- FML: FML v3.1.35.394 Minecraft Forge 4.2.5.303 3 mods loaded, 3 mods active
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
CCTurtle [ComputerCraft Turtles] (ComputerCraft.zip) Unloaded->Constructed->Pre-initialized->Errored
- LWJGL: 2.4.2
- OpenGL: Intel GMA 950 OpenGL Engine GL version 1.4 APPLE-7.0.52, Intel Inc.
- Is Modded: Definitely; 'forge,fml'
- Type: Client
- Texture Pack: faithful32pack
- Profiler Position: N/A (disabled)

are you sure you deleted all of the 1.42 files before installing 1.43 to your mods folder?

ForgeModLoader0 log please. Looks like another mod is not loading and messing up the load order. Either that or you don't have the ComputerCraft base mod install and just have the turtles.

Here's the log:

2012-10-14 08:53:54 [INFO] [ForgeModLoader] Forge Mod Loader version 3.1.35.394 for Minecraft client:1.3.2, server:1.3.2 loading
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] All core mods are successfully located
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Discovering coremods
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Found library file argo-2.25.jar present and correct in lib dir

2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Found library file guava-12.0.1.jar present and correct in lib dir

2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Found library file asm-all-4.0.jar present and correct in lib dir

2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Running coremod plugins
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Running coremod plugin FMLCorePlugin
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Coremod plugin FMLCorePlugin run successfully
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Running coremod plugin FMLForgePlugin
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Coremod plugin FMLForgePlugin run successfully
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Validating minecraft
2012-10-14 08:53:54 [FINEST] [ForgeModLoader] Minecraft validated, launching...
2012-10-14 08:53:58 [INFO] [STDOUT] 27 achievements
2012-10-14 08:53:58 [INFO] [STDOUT] 195 recipes
2012-10-14 08:53:58 [INFO] [STDOUT] Setting user: SimplyNameless, 3d79b1bd0c757cec0b1ab69dd3ddbc08a69bdca7
2012-10-14 08:53:58 [INFO] [STDERR] Client asked for parameter: server
2012-10-14 08:53:59 [INFO] [STDOUT] LWJGL Version: 2.4.2
2012-10-14 08:54:00 [INFO] [ForgeModLoader] Attempting early MinecraftForge initialization
2012-10-14 08:54:00 [INFO] [STDOUT] MinecraftForge v4.2.5.303 Initialized
2012-10-14 08:54:00 [INFO] [ForgeModLoader] MinecraftForge v4.2.5.303 Initialized
2012-10-14 08:54:00 [INFO] [ForgeModLoader] Completed early MinecraftForge initialization
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Building injected Mod Containers [cpw.mods.fml.common.FMLDummyContainer, net.minecraftforge.common.ForgeDummyContainer]
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Attempting to load mods contained in the minecraft jar file and associated classes
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Found a minecraft related file at /Users/test/Library/Application Support/minecraft/bin/minecraft.jar, examining for mod candidates
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Skipping known library file /Users/test/Library/Application Support/minecraft/bin/jinput.jar
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Skipping known library file /Users/test/Library/Application Support/minecraft/bin/lwjgl.jar
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Skipping known library file /Users/test/Library/Application Support/minecraft/bin/lwjgl_util.jar
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Skipping known library file /Users/test/Library/Application Support/minecraft/lib/argo-2.25.jar
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Skipping known library file /Users/test/Library/Application Support/minecraft/lib/guava-12.0.1.jar
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Skipping known library file /Users/test/Library/Application Support/minecraft/lib/asm-all-4.0.jar
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Minecraft jar mods loaded successfully
2012-10-14 08:54:00 [INFO] [ForgeModLoader] Searching /Users/test/Library/Application Support/minecraft/mods for mods
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Ignoring unknown file .DS_Store in mods directory
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Found a candidate zip or jar file ComputerCraft.zip
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Examining file minecraft.jar for potential mods
2012-10-14 08:54:00 [FINE] [ForgeModLoader] The mod container minecraft.jar appears to be missing an mcmod.info file
2012-10-14 08:54:00 [SEVERE] [ForgeModLoader] Unable to read a class file correctly
java.lang.ArrayIndexOutOfBoundsException: 229
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at cpw.mods.fml.common.discovery.asm.ASMModParser.<init>(ASMModParser.java:41)
at cpw.mods.fml.common.discovery.JarDiscoverer.discover(JarDiscoverer.java:51)
at cpw.mods.fml.common.discovery.ContainerType.findMods(ContainerType.java:30)
at cpw.mods.fml.common.discovery.ModCandidate.explore(ModCandidate.java:52)
at cpw.mods.fml.common.discovery.ModDiscoverer.identifyMods(ModDiscoverer.java:103)
at cpw.mods.fml.common.Loader.identifyMods(Loader.java:325)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:445)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:146)
at net.minecraft.client.Minecraft.a(Minecraft.java:416)
at net.minecraft.client.Minecraft.run(Minecraft.java:748)
at java.lang.Thread.run(Thread.java:680)
2012-10-14 08:54:00 [SEVERE] [ForgeModLoader] There was a problem reading the entry __MACOSX/._a.class in the jar /Users/test/Library/Application Support/minecraft/bin/minecraft.jar - probably a corrupt zip
cpw.mods.fml.common.LoaderException: java.lang.ArrayIndexOutOfBoundsException: 229
at cpw.mods.fml.common.discovery.asm.ASMModParser.<init>(ASMModParser.java:47)
at cpw.mods.fml.common.discovery.JarDiscoverer.discover(JarDiscoverer.java:51)
at cpw.mods.fml.common.discovery.ContainerType.findMods(ContainerType.java:30)
at cpw.mods.fml.common.discovery.ModCandidate.explore(ModCandidate.java:52)
at cpw.mods.fml.common.discovery.ModDiscoverer.identifyMods(ModDiscoverer.java:103)
at cpw.mods.fml.common.Loader.identifyMods(Loader.java:325)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:445)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:146)
at net.minecraft.client.Minecraft.a(Minecraft.java:416)
at net.minecraft.client.Minecraft.run(Minecraft.java:748)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 229
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at cpw.mods.fml.common.discovery.asm.ASMModParser.<init>(ASMModParser.java:41)
... 10 more
2012-10-14 08:54:00 [WARNING] [ForgeModLoader] Zip file minecraft.jar failed to read properly, it will be ignored
cpw.mods.fml.common.LoaderException: java.lang.ArrayIndexOutOfBoundsException: 229
at cpw.mods.fml.common.discovery.asm.ASMModParser.<init>(ASMModParser.java:47)
at cpw.mods.fml.common.discovery.JarDiscoverer.discover(JarDiscoverer.java:51)
at cpw.mods.fml.common.discovery.ContainerType.findMods(ContainerType.java:30)
at cpw.mods.fml.common.discovery.ModCandidate.explore(ModCandidate.java:52)
at cpw.mods.fml.common.discovery.ModDiscoverer.identifyMods(ModDiscoverer.java:103)
at cpw.mods.fml.common.Loader.identifyMods(Loader.java:325)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:445)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:146)
at net.minecraft.client.Minecraft.a(Minecraft.java:416)
at net.minecraft.client.Minecraft.run(Minecraft.java:748)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 229
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at cpw.mods.fml.common.discovery.asm.ASMModParser.<init>(ASMModParser.java:41)
... 10 more
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Examining file ComputerCraft.zip for potential mods
2012-10-14 08:54:00 [FINER] [ForgeModLoader] Located mcmod.info file in file ComputerCraft.zip
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Identified an FMLMod type mod dan200.CCTurtle
2012-10-14 08:54:00 [FINEST] [ForgeModLoader] Parsed dependency info : [] [ComputerCraft] []
2012-10-14 08:54:00 [SEVERE] [ForgeModLoader] Unable to read a class file correctly
java.lang.ArrayIndexOutOfBoundsException
2012-10-14 08:54:00 [SEVERE] [ForgeModLoader] There was a problem reading the entry __MACOSX/dan200/._CCTurtle.class in the jar /Users/test/Library/Application Support/minecraft/mods/ComputerCraft.zip - probably a corrupt zip
cpw.mods.fml.common.LoaderException: java.lang.ArrayIndexOutOfBoundsException
at cpw.mods.fml.common.discovery.asm.ASMModParser.<init>(ASMModParser.java:47)
at cpw.mods.fml.common.discovery.JarDiscoverer.discover(JarDiscoverer.java:51)
at cpw.mods.fml.common.discovery.ContainerType.findMods(ContainerType.java:30)
at cpw.mods.fml.common.discovery.ModCandidate.explore(ModCandidate.java:52)
at cpw.mods.fml.common.discovery.ModDiscoverer.identifyMods(ModDiscoverer.java:103)
at cpw.mods.fml.common.Loader.identifyMods(Loader.java:325)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:445)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:146)
at net.minecraft.client.Minecraft.a(Minecraft.java:416)
at net.minecraft.client.Minecraft.run(Minecraft.java:748)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ArrayIndexOutOfBoundsException
2012-10-14 08:54:00 [WARNING] [ForgeModLoader] Zip file ComputerCraft.zip failed to read properly, it will be ignored
cpw.mods.fml.common.LoaderException: java.lang.ArrayIndexOutOfBoundsException
at cpw.mods.fml.common.discovery.asm.ASMModParser.<init>(ASMModParser.java:47)
at cpw.mods.fml.common.discovery.JarDiscoverer.discover(JarDiscoverer.java:51)
at cpw.mods.fml.common.discovery.ContainerType.findMods(ContainerType.java:30)
at cpw.mods.fml.common.discovery.ModCandidate.explore(ModCandidate.java:52)
at cpw.mods.fml.common.discovery.ModDiscoverer.identifyMods(ModDiscoverer.java:103)
at cpw.mods.fml.common.Loader.identifyMods(Loader.java:325)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:445)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:146)
at net.minecraft.client.Minecraft.a(Minecraft.java:416)
at net.minecraft.client.Minecraft.run(Minecraft.java:748)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ArrayIndexOutOfBoundsException
2012-10-14 08:54:00 [INFO] [ForgeModLoader] Forge Mod Loader has identified 3 mods to load
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Received a system property request ''
2012-10-14 08:54:00 [FINE] [ForgeModLoader] System property request managing the state of 0 mods
2012-10-14 08:54:00 [FINE] [ForgeModLoader] After merging, found state information for 0 mods
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Activating mod FML
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Activating mod Forge
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Enabling mod CCTurtle
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Activating mod CCTurtle
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Verifying mod requirements are satisfied
2012-10-14 08:54:00 [FINE] [ForgeModLoader] All mod requirements are satisfied
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Sorting mods into an ordered list
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Mod sorting completed successfully
2012-10-14 08:54:00 [FINE] [ForgeModLoader] Mod sorting data:
2012-10-14 08:54:00 [FINE] [ForgeModLoader]  CCTurtle(ComputerCraft Turtles:1.43): ComputerCraft.zip (after:ComputerCraft)
2012-10-14 08:54:00 [FINER] [ForgeModLoader] Posting state event FMLConstructionEvent to mod FML
2012-10-14 08:54:00 [FINER] [ForgeModLoader] State event FMLConstructionEvent delivered to mod FML
2012-10-14 08:54:00 [FINER] [ForgeModLoader] Posting state event FMLConstructionEvent to mod Forge
2012-10-14 08:54:00 [FINER] [ForgeModLoader] State event FMLConstructionEvent delivered to mod Forge
2012-10-14 08:54:00 [FINER] [ForgeModLoader] Posting state event FMLConstructionEvent to mod CCTurtle
2012-10-14 08:54:01 [FINEST] [ForgeModLoader] Testing mod CCTurtle to very it can accept it's own version in a remote connection
2012-10-14 08:54:01 [FINEST] [ForgeModLoader] The mod CCTurtle accepts it's own version (1.43)
2012-10-14 08:54:01 [FINE] [ForgeModLoader] Attempting to inject @SidedProxy classes into CCTurtle
2012-10-14 08:54:01 [FINER] [ForgeModLoader] State event FMLConstructionEvent delivered to mod CCTurtle
2012-10-14 08:54:01 [FINER] [ForgeModLoader] Posting state event FMLPreInitializationEvent to mod FML
2012-10-14 08:54:01 [FINER] [ForgeModLoader] State event FMLPreInitializationEvent delivered to mod FML
2012-10-14 08:54:01 [FINER] [ForgeModLoader] Posting state event FMLPreInitializationEvent to mod Forge
2012-10-14 08:54:01 [INFO] [ForgeModLoader] Configured a dormant chunk cache size of 0
2012-10-14 08:54:01 [FINER] [ForgeModLoader] State event FMLPreInitializationEvent delivered to mod Forge
2012-10-14 08:54:01 [FINER] [ForgeModLoader] Posting state event FMLPreInitializationEvent to mod CCTurtle
2012-10-14 08:54:01 [FINER] [ForgeModLoader] State event FMLPreInitializationEvent delivered to mod CCTurtle
2012-10-14 08:54:01 [INFO] [STDOUT] Starting up SoundSystem...
2012-10-14 08:54:02 [INFO] [STDOUT] Initializing LWJGL OpenAL
2012-10-14 08:54:02 [INFO] [STDOUT]	 (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
2012-10-14 08:54:02 [INFO] [STDOUT] OpenAL initialized.
2012-10-14 08:54:03 [FINER] [ForgeModLoader] Posting state event FMLInitializationEvent to mod FML
2012-10-14 08:54:03 [FINER] [ForgeModLoader] State event FMLInitializationEvent delivered to mod FML
2012-10-14 08:54:03 [FINER] [ForgeModLoader] Posting state event FMLInitializationEvent to mod Forge
2012-10-14 08:54:03 [FINER] [ForgeModLoader] State event FMLInitializationEvent delivered to mod Forge
2012-10-14 08:54:03 [FINER] [ForgeModLoader] Posting state event FMLInitializationEvent to mod CCTurtle
2012-10-14 08:54:03 [INFO] [STDOUT] Loading CCTurtle v1.43 (rev 709)
2012-10-14 08:54:03 [FINER] [ForgeModLoader] State event FMLInitializationEvent delivered to mod CCTurtle
2012-10-14 08:54:03 [SEVERE] [ForgeModLoader] Fatal errors were detected during the transition from INITIALIZATION to POSTINITIALIZATION. Loading cannot continue
2012-10-14 08:54:03 [SEVERE] [ForgeModLoader]
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
CCTurtle [ComputerCraft Turtles] (ComputerCraft.zip) Unloaded->Constructed->Pre-initialized->Errored
2012-10-14 08:54:03 [SEVERE] [ForgeModLoader] The following problems were captured during this phase
2012-10-14 08:54:03 [SEVERE] [ForgeModLoader] Caught exception from CCTurtle
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:437)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:81)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:639)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:183)
at net.minecraft.client.Minecraft.a(Minecraft.java:461)
at net.minecraft.client.Minecraft.run(Minecraft.java:748)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.NullPointerException
at dan200.turtle.shared.CCTurtleProxyCommon.registerTileEntities(CCTurtleProxyCommon.java:325)
at dan200.turtle.shared.CCTurtleProxyCommon.load(CCTurtleProxyCommon.java:41)
at dan200.turtle.client.CCTurtleProxyClient.load(CCTurtleProxyClient.java:35)
at dan200.CCTurtle.load(CCTurtle.java:92)
... 30 more
2012-10-14 08:54:13 [INFO] [STDERR] cpw.mods.fml.common.LoaderException: java.lang.reflect.InvocationTargetException
2012-10-14 08:54:13 [INFO] [STDERR]  at cpw.mods.fml.common.LoadController.transition(LoadController.java:102)
2012-10-14 08:54:13 [INFO] [STDERR]  at cpw.mods.fml.common.Loader.initializeMods(Loader.java:640)
2012-10-14 08:54:13 [INFO] [STDERR]  at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:183)
2012-10-14 08:54:13 [INFO] [STDERR]  at net.minecraft.client.Minecraft.a(Minecraft.java:461)
2012-10-14 08:54:13 [INFO] [STDERR]  at net.minecraft.client.Minecraft.run(Minecraft.java:748)
2012-10-14 08:54:13 [INFO] [STDERR]  at java.lang.Thread.run(Thread.java:680)
2012-10-14 08:54:13 [INFO] [STDERR] Caused by: java.lang.reflect.InvocationTargetException
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
2012-10-14 08:54:13 [INFO] [STDERR]  at java.lang.reflect.Method.invoke(Method.java:597)
2012-10-14 08:54:13 [INFO] [STDERR]  at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:437)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
2012-10-14 08:54:13 [INFO] [STDERR]  at java.lang.reflect.Method.invoke(Method.java:597)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventBus.post(EventBus.java:268)
2012-10-14 08:54:13 [INFO] [STDERR]  at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:124)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
2012-10-14 08:54:13 [INFO] [STDERR]  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
2012-10-14 08:54:13 [INFO] [STDERR]  at java.lang.reflect.Method.invoke(Method.java:597)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
2012-10-14 08:54:13 [INFO] [STDERR]  at com.google.common.eventbus.EventBus.post(EventBus.java:268)
2012-10-14 08:54:13 [INFO] [STDERR]  at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:81)
2012-10-14 08:54:13 [INFO] [STDERR]  at cpw.mods.fml.common.Loader.initializeMods(Loader.java:639)
2012-10-14 08:54:13 [INFO] [STDERR]  ... 4 more
2012-10-14 08:54:13 [INFO] [STDERR] Caused by: java.lang.NullPointerException
2012-10-14 08:54:13 [INFO] [STDERR]  at dan200.turtle.shared.CCTurtleProxyCommon.registerTileEntities(CCTurtleProxyCommon.java:325)
2012-10-14 08:54:13 [INFO] [STDERR]  at dan200.turtle.shared.CCTurtleProxyCommon.load(CCTurtleProxyCommon.java:41)
2012-10-14 08:54:13 [INFO] [STDERR]  at dan200.turtle.client.CCTurtleProxyClient.load(CCTurtleProxyClient.java:35)
2012-10-14 08:54:13 [INFO] [STDERR]  at dan200.CCTurtle.load(CCTurtle.java:92)
2012-10-14 08:54:13 [INFO] [STDERR]  ... 30 more

You have done something wrong while installing forge since your minecraft.jar seems corrupt and it seems you have extracted ComputerCraft and rezipped it at some point. Best starting from scratch, and just dropping the zip from download in the mods folder.

Thanks! I have been re-zipping it because Safari automatically unzips archives when they finish downloading. I downloaded through another browser and the problem was fixed.