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I've tried everything, but nothing works, anyone have any idea of what I can do? I get the error on Mac everytime I try to play multiplayer or singel player.


---- Minecraft Crash Report ----
// I let you down. Sorry

Time: 10/23/12 6:48 PM
Description: Unexpected error

java.lang.NoClassDefFoundError: cy
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:295)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at vk.a(SourceFile:94)
at vk.<init>(SourceFile:74)
at vy.<init>(SourceFile:6)
at vk.<clinit>(SourceFile:18)
at vp.<init>(SourceFile:20)
at vp.<init>(SourceFile:30)
at vp.<init>(SourceFile:38)
at xc.b(SourceFile:40)
at xc.a(SourceFile:24)
at up.<init>(SourceFile:100)
at atd.<init>(SourceFile:30)
at asv.a(SourceFile:131)
at cs.a(SourceFile:71)
at bb.b(SourceFile:333)
at asv.d(SourceFile:81)
at asy.c(SourceFile:69)
at net.minecraft.client.Minecraft.l(SourceFile:1080)
at net.minecraft.client.Minecraft.J(SourceFile:583)
at net.minecraft.client.Minecraft.run(SourceFile:535)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ClassNotFoundException: cy
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 33 more

Relevant Details:
- Minecraft Version: 1.3.2
- Operating System: Mac OS X (x86_64) version 10.6.8
- Java Version: 1.6.0_37, Apple Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
- Memory: 509850552 bytes (486 MB) / 554369024 bytes (528 MB) up to 1069416448 bytes (1019 MB)
- JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
- LWJGL: 2.4.2
- OpenGL: NVIDIA GeForce 320M OpenGL Engine GL version 2.1 NVIDIA-1.6.36, NVIDIA Corporation
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)

Quote from tulir 293

Minecraft didn't find a specfic class. Try force updating.

Thanks, but it didn't work. D: