bioa10

I am using MultiMC to install MCForge and I get this error: 2012-11-14 13:34:14 [iNFO] [ForgeModLoader] Forge Mod Loader version 4.2.16.431 for Minecraft 1.4.2 loading 2012-11-14 13:34:14 [FINEST] [ForgeModLoader] All core mods are successfully located 2012-11-14 13:34:14 [FINEST] [ForgeModLoader] Discovering coremods 2012-11-14 13:34:14 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/argo-2.25.jar 2012-11-14 13:34:14 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/argo-2.25.jar 2012-11-14 13:34:14 [FINEST] [ForgeModLoader] Download complete 2012-11-14 13:34:14 [iNFO] [ForgeModLoader] Download complete 2012-11-14 13:34:14 [FINEST] [ForgeModLoader] Library file argo-2.25.jar was downloaded and verified successfully 2012-11-14 13:34:14 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar 2012-11-14 13:34:14 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar 2012-11-14 13:34:20 [FINEST] [ForgeModLoader] Download complete 2012-11-14 13:34:20 [iNFO] [ForgeModLoader] Download complete 2012-11-14 13:34:20 [FINEST] [ForgeModLoader] Library file guava-12.0.1.jar was downloaded and verified successfully 2012-11-14 13:34:20 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/asm-all-4.0.jar 2012-11-14 13:34:20 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/asm-all-4.0.jar 2012-11-14 13:34:25 [FINEST] [ForgeModLoader] Download complete 2012-11-14 13:34:25 [iNFO] [ForgeModLoader] Download complete 2012-11-14 13:34:25 [FINEST] [ForgeModLoader] Library file asm-all-4.0.jar was downloaded and verified successfully 2012-11-14 13:34:36 [iNFO] [sTDERR] Exception in thread "main" java.lang.RuntimeException: java.lang.NoClassDefFoundError: org/objectweb/asm/ClassVisitor 2012-11-14 13:34:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:175) 2012-11-14 13:34:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:242) 2012-11-14 13:34:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212) 2012-11-14 13:34:36 [iNFO] [sTDERR] at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:28) 2012-11-14 13:34:36 [iNFO] [sTDERR] at net.minecraft.Launcher.init(Launcher.java:108) 2012-11-14 13:34:36 [iNFO] [sTDERR] at MCFrame.start(MCFrame.java:78) 2012-11-14 13:34:36 [iNFO] [sTDERR] at MultiMCLauncher.main(MultiMCLauncher.java:251) 2012-11-14 13:34:36 [iNFO] [sTDERR] Caused by: java.lang.NoClassDefFoundError: org/objectweb/asm/ClassVisitor 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.lang.Class.getDeclaredConstructors0(Native Method) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.lang.Class.privateGetDeclaredConstructors(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.lang.Class.getConstructor0(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.lang.Class.newInstance0(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.lang.Class.newInstance(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.registerTransformer(RelaunchClassLoader.java:64) 2012-11-14 13:34:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:237) 2012-11-14 13:34:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155) 2012-11-14 13:34:36 [iNFO] [sTDERR] ... 6 more 2012-11-14 13:34:36 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.ClassVisitor 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.net.URLClassLoader$1.run(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.net.URLClassLoader$1.run(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.security.AccessController.doPrivileged(Native Method) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.net.URLClassLoader.findClass(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:109) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.lang.ClassLoader.loadClass(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] at java.lang.ClassLoader.loadClass(Unknown Source) 2012-11-14 13:34:36 [iNFO] [sTDERR] ... 14 more