I got this message after installing too many items,ive allready deleted the meta-inf folder.


Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Unexpected error
This error has been saved to C:\Users\ellis\AppData\Roaming\.minecraft\crash-reports\crash-2012-10-26_17.00.11-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.



--- BEGIN ERROR REPORT 4528e6bd --------
Generated 26/10/12 17:00

- Minecraft Version: 1.3.1
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.7.0_09, Oracle Corporation
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 366632664 bytes (349 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- LWJGL: 2.4.2
- OpenGL: Intel 965/963 Graphics Media Accelerator GL version 2.0.0 - Build 8.14.10.1930, Intel
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)
- World MpServer Entities: 0 total; []
- World MpServer Players: 0 total; []
- World MpServer Chunk Stats: MultiplayerChunkCache: 0
- Forced Entities: 0 total; []
- Retry Entities: 0 total; []

java.lang.VerifyError: (class: aup, method: c signature: (Lri;)V) Incompatible argument to function
at atb.a(SourceFile:254)
at net.minecraft.client.Minecraft.a(SourceFile:1383)
at net.minecraft.client.Minecraft.a(SourceFile:1336)
at asu.a(SourceFile:133)
at cs.a(SourceFile:71)
at ba.b(SourceFile:51)
at net.minecraft.client.Minecraft.l(SourceFile:1269)
at net.minecraft.client.Minecraft.J(SourceFile:583)
at net.minecraft.client.Minecraft.run(SourceFile:535)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 22e6337d ----------