"C:\Program Files (x86)\Java\jre7\bin\java.exe" -Xms564M -Xmx564M -jar Minecraft.jar
Heap size: 545.0
Heap is big size
run complite
System Arch: x86

Exception in thread "Thread-1" java.lang.ClassFormatError: Incompatible magic value 3405647038 in class file net/minecraft/R/bob
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
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)
at net.minecraft.R.ulb.‹clinit›(Unknown Source)
at net.minecraft.D.ye.‹clinit›(Unknown Source)
at net.minecraft.B.xab.‹clinit›(Unknown Source)
at net.minecraft.client.Minecraft.‹init›(Unknown Source)
at net.minecraft.C.mdb.‹init›(Unknown Source)
at net.minecraft.clien
t.MinecraftApplet.init(Unknown Source)
at net.minecraft.Launcher.replace(Launcher.java:166)
at net.minecraft.Launcher$1.run(Launcher.java:108)