Minecraft Forums

When I was installing Forge I got his error log and when it says FML is setting up your mc enviroment in froze. Error log:
Exception in thread "Thread-3" java.lang.NoClassDefFoundError: cpw/mods/fml/client/FMLTextureFX
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:787)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:447)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2442)
at java.lang.Class.getDeclaredMethod(Class.java:1952)
at cpw.mods.fml.relauncher.ReflectionHelper.findMethod(ReflectionHelper.java:170)
at cpw.mods.fml.relauncher.FMLRelauncher.computeExistingClientHome(FMLRelauncher.java:195)
at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:241)
at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)
at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:28)
at net.minecraft.Launcher.replace(Launcher.java:134)
at net.minecraft.Launcher$1.run(Launcher.java:78)
Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.client.FMLTextureFX
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 21 more
I have a 6-core processer and run ubuntu 12.04 I rn 1.4.2 and have the latest build of forge.