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I'm sure I'm not the first to have this problem. I've always found the answer to my questions before. Thus this is my first post.
Here is the crash report. Sorry, I don't know how to do spoilers.


---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.
Time: 3/13/15 6:03 PM
Description: Initializing game
java.lang.NoClassDefFoundError: net/minecraftforge/client/event/ModelBakeEvent
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2693)
at java.lang.Class.privateGetPublicMethods(Class.java:2894)
at java.lang.Class.getMethods(Class.java:1607)
at net.minecraftforge.fml.common.eventhandler.EventBus.register(EventBus.java:60)
at codechicken.lib.render.ModelRegistryHelper.<clinit>(ModelRegistryHelper.java:24)
at codechicken.nei.SpawnerRenderer.load(SpawnerRenderer.java:30)
at codechicken.nei.ItemMobSpawner.initRender(ItemMobSpawner.java:42)
at codechicken.nei.api.ItemInfo.init(ItemInfo.java:97)
at codechicken.nei.ClientHandler.init(ClientHandler.java:111)
at codechicken.nei.NEIModContainer.init(NEIModContainer.java:87)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:691)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:283)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:485)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:325)
at net.minecraft.client.main.Main.main(SourceFile:120)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.minecraftforge.client.event.ModelBakeEvent
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 43 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 45 more

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Stacktrace:
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2693)
at java.lang.Class.privateGetPublicMethods(Class.java:2894)
at java.lang.Class.getMethods(Class.java:1607)
at net.minecraftforge.fml.common.eventhandler.EventBus.register(EventBus.java:60)
at codechicken.lib.render.ModelRegistryHelper.<clinit>(ModelRegistryHelper.java:24)
at codechicken.nei.SpawnerRenderer.load(SpawnerRenderer.java:30)
at codechicken.nei.ItemMobSpawner.initRender(ItemMobSpawner.java:42)
at codechicken.nei.api.ItemInfo.init(ItemInfo.java:97)
at codechicken.nei.ClientHandler.init(ClientHandler.java:111)
at codechicken.nei.NEIModContainer.init(NEIModContainer.java:87)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:691)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:283)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:485)
-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:325)
at net.minecraft.client.main.Main.main(SourceFile:120)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
-- System Details --
Details:
Minecraft Version: 1.8
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 829948208 bytes (791 MB) / 1135280128 bytes (1082 MB) up to 1135280128 bytes (1082 MB)
JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1120M -Xms1120M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.10 FML v8.0.10.1245 Minecraft Forge 11.14.0.1245 Optifine OptiFine_1.8_HD_U_D1 5 mods loaded, 5 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
FML{8.0.10.1245} [Forge Mod Loader] (forge-1.8-11.14.0.1245-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized
Forge{11.14.0.1245} [Minecraft Forge] (forge-1.8-11.14.0.1245-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized
CodeChickenCore{1.0.5.34} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
NotEnoughItems{1.0.5.82} [Not Enough Items] (NotEnoughItems-1.8-1.0.5.82-universal.jar) Unloaded->Constructed->Pre-initialized
Launched Version: 1.8-Forge11.14.0.1245-1.8
LWJGL: 2.9.1
OpenGL: AMD Radeon R5 230 GL version 4.3.12618 Compatibility Profile Context 13.251.0.0, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: No
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: [ModernHD 1.8.1.zip] Current Language: English (US)
Profiler Position: N/A (disabled)


From what I can tell it's either that Minecraft is trying to load java 1.8 (I rolled back to version 7 update 75) or NEI is the wrong version.
The only other mod installed is optifine.
I don't really need NEI I just want it for in game recipes.
Thanks for assistance.

Having the same problem! Brand new computer and its extremely laggy.