My minecraft crashes and shows this crash report. What do i do?

Question

---- Minecraft Crash Report ----
// My bad.

Time: 12/24/12 11:18 AM
Description: Unexpected error

java.lang.NoClassDefFoundError: aux
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.getDeclaredField(Unknown Source)
at TMIPrivateFields.(TMIPrivateFields.java:88)
at TMIItemInfo.(TMIItemInfo.java:171)
at TMIConfig.(TMIConfig.java:43)
at mod_TooManyItems.onTickInGame(mod_TooManyItems.java:19)
at ModLoader.onTick(ModLoader.java:1164)
at EntityRendererProxy.b(EntityRendererProxy.java:21)
at net.minecraft.client.Minecraft.J(SourceFile:605)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: aux
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 12 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.getDeclaredField(Unknown Source)
at TMIPrivateFields.(TMIPrivateFields.java:88)
at TMIItemInfo.(TMIItemInfo.java:171)
at TMIConfig.(TMIConfig.java:43)
at mod_TooManyItems.onTickInGame(mod_TooManyItems.java:19)
at ModLoader.onTick(ModLoader.java:1164)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ays['semper_fi_600'/263, l='MpServer', x=8.50, y=66.62, z=8.50]]
Chunk stats: MultiplayerChunkCache: 0
Level seed: 0
Level generator: ID 02 - largeBiomes, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (0,64,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 90524 game time, 77713 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 1 total; [ays['semper_fi_600'/263, l='MpServer', x=8.50, y=66.62, z=8.50]]
Retry entities: 0 total; []
Stacktrace:
at ayp.a(SourceFile:281)
at net.minecraft.client.Minecraft.b(SourceFile:1871)
at net.minecraft.client.Minecraft.run(SourceFile:548)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.4.6
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.6.0_27, Sun Microsystems Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
Memory: 412522088 bytes (393 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 7955 (445480 bytes; 0 MB) allocated, 7955 (445480 bytes; 0 MB) used
Suspicious classes: ModLoader, EntityRendererProxy, ModTextureStatic, ...]
IntCache: cache: 2, tcache: 0, allocated: 1, tallocated: 71
ModLoader: Mods loaded: 2
ModLoader 1.4.6
mod_TooManyItems 1.4.6 2012-12-22

LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics Family GL version 3.1.0 - Build 8.15.10.2455, Intel
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 28 (1568 bytes; 0 MB) allocated, 28 (1568 bytes; 0 MB) used

Answer 1

Minecraft Crash Report

Answer 2

Okay, okay, hold on. Just a couple things. First off, did you use MCPatcher for HD textures? Also, look at the message, at the top it says to show a file that you don't know to Mojang, but it's okay to show fellow miners, just post the whole thing. I'll show you where that file is, how to use MCPatcher the right way AND how to (probably, we need to see the file) fix your problem. Here's how you get the crash report file: 1. Open Start. 2. Type in run and then hit enter. 3. Type in %appdata%. 4. Click on the '.minecraft' folder. 5. Click on the 'crash-reports' folder. 6. Find the latest file, open it, and copy & paste it here. Here's how to (probably) fix this: 1. Do steps 1-4 above. 2. Delete the 'bin' folder. 3. Start Minecraft normally. Here's how to use MCPatcher the right way, ASSUMING you're using it for HD textures: 1. Make sure you have the default texture pack on. 2. Run the latest version of MCPatcher. 3. Click 'Patch Minecraft' (it might be 'Patch textures' or something like that). 4. Click 'Test Minecraft' or open up MC. If that doesn't work again, just delete the 'bin' folder again and forget about MCPatcher until someone else has responded. But make sure that YOU POST THE FILE!

Answer 3

Sounds like there's a corrupted file somewhere. You could try re-installing the game but try to back up the save files before you do.

Answer 4

save your personal settings then erase the enitire program ...then reinstall it then set it back up...its more complicated then it sounds...but if yu dont..the fact that its crashed..it could spread a virus if yu dont