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Whenever i want to make a new game on minecraft i get this
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem; Unexpected error
A full error report has been saved to C:\Users\David\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-16_15.24.54-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash

--- BEGIN ERROR REPORT 2caa50a4 --------
Full report at:
C:\Users\David\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-16_15.24.54-client.txt
Please show that file to Mojang, NOT just this screen!
Generated 11/16/12 3:24 PM
-- Head --
Stacktrace:
at avl.A_(SourceFile:235)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
at avs.A_(SourceFile:35)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ayk['masterbuilder890'/31, l='MpServer', x=-72.10, y=41.59, z=1316.44]]
Chunk stats: MultiplayerChunkCache: 215
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-71,4,1377), Chunk: (at 9,0,1 in -5,86; contains blocks -80,0,1376 to -65,255,1391), Region: (-1,2; contains chunks -32,64 to -1,95, blocks -512,0,1024 to -1,255,1535)
Level time: 73165 game time, 73165 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 1 total; [ayk['masterbuilder890'/31, l='MpServer', x=-72.10, y=41.59, z=1316.44]]
Retry entities: 0 total; []
Stacktrace:
at ayh.a(SourceFile:290)
at net.minecraft.client.Minecraft.b(SourceFile:1870)
at net.minecraft.client.Minecraft.run(SourceFile:548)
at java.lang.Thread.run(Unknown Source)
-- System Details --
Details:
Minecraft Version: 1.4.4
Operating System: Windows Vista (x86) version 6.0
Java Version: 1.7.0_07, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 327087784 bytes (311 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 21635 (1211560 bytes; 1 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: ~~ERROR~~ NoClassDefFoundError: com/pclewis/mcpatcher/mod/TileOverride$1
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 2400 PRO GL version 2.1.8664, ATI Technologies Inc.
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1568 (87808 bytes; 0 MB) allocated, 14 (784 bytes; 0 MB) used
java.lang.VerifyError: (class: atg, method: bB signature: ()Lnj;) Incompatible argument to function
at avl.A_(SourceFile:235)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
at avs.A_(SourceFile:35)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
at net.minecraft.client.Minecraft.l(SourceFile:1272)
at net.minecraft.client.Minecraft.J(SourceFile:582)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT fbe0e088 ----------
please help me i cant do anything ---- Minecraft Crash Report ----
// Daisy, daisy...
Time: 11/16/12 3:24 PM
Description: Unexpected error
java.lang.VerifyError: (class: atg, method: bB signature: ()Lnj;) Incompatible argument to function
at avl.A_(SourceFile:235)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
at avs.A_(SourceFile:35)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
at net.minecraft.client.Minecraft.l(SourceFile:1272)
at net.minecraft.client.Minecraft.J(SourceFile:582)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Stacktrace:
at avl.A_(SourceFile:235)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
at avs.A_(SourceFile:35)
at aue.a(SourceFile:97)
at net.minecraft.client.Minecraft.a(SourceFile:456)
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ayk['masterbuilder890'/31, l='MpServer', x=-72.10, y=41.59, z=1316.44]]
Chunk stats: MultiplayerChunkCache: 215
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-71,4,1377), Chunk: (at 9,0,1 in -5,86; contains blocks -80,0,1376 to -65,255,1391), Region: (-1,2; contains chunks -32,64 to -1,95, blocks -512,0,1024 to -1,255,1535)
Level time: 73165 game time, 73165 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 1 total; [ayk['masterbuilder890'/31, l='MpServer', x=-72.10, y=41.59, z=1316.44]]
Retry entities: 0 total; []
Stacktrace:
at ayh.a(SourceFile:290)
at net.minecraft.client.Minecraft.b(SourceFile:1870)
at net.minecraft.client.Minecraft.run(SourceFile:548)
at java.lang.Thread.run(Unknown Source)
-- System Details --
Details:
Minecraft Version: 1.4.4
Operating System: Windows Vista (x86) version 6.0
Java Version: 1.7.0_07, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 327087784 bytes (311 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 21635 (1211560 bytes; 1 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: ~~ERROR~~ NoClassDefFoundError: com/pclewis/mcpatcher/mod/TileOverride$1
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 2400 PRO GL version 2.1.8664, ATI Technologies Inc.
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1568 (87808 bytes; 0 MB) allocated, 14 (784 bytes; 0 MB) used

Quote from Tedster

Which mods?

Launcher, Options, Force Update, log back in and let MC redownload. Should be fine after that.

from probuilder123: thank you