Here's the log
MagicLauncher 1.0.0
java.home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
java.runtime.name: Java SE Runtime Environment
java.runtime.version: 1.6.0_41-b02-445-11M4107
os.name: Mac OS X
os.version: 10.8.2
os.arch: i386
sun.arch.data.model: 32
Missing class member: public (Z)V a, class: si, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public ()Z m, class: si, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Class member is not public: protected ()Z bh, class: si, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (Lng;F)V a, class: si, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Class member is not public: protected ()V b, class: aco, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (IIIZ)V <init>, class: ays, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; c, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; d, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; e, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; f, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; g, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; h, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; i, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; j, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbdj; k, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public I l, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public I m, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Z n, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Z o, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (F)V <init>, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (FFII)V <init>, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (F)V b, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (F)V c, class: bca, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public final (Ljava/lang/Object;)Ljava/lang/Object; b, class: aum, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public I a, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Class member is not public: private I b, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Class member is not public: private I c, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Z d, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public Lbs; e, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (Laab;DDDI)V <init>, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (Laab;DDDII)V <init>, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public ()Laab; c, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Missing class member: public (Z)V a, class: rg, mod: minecraftforge-universal-1.5-7.7.0.582.zip
Too many errors, stopping check of : minecraftforge-universal-1.5-7.7.0.582.zip