Latest Forge not working!

[MuscleMan1234]

When I installed Forge, It did the usual setting up. Here is the error report.

 

Here is the error report

 

2012-09-22 20:48:46 [iNFO] [ForgeModLoader] Forge Mod Loader version 3.1.15.378 for Minecraft client:1.3.2, server:1.3.2 loading
2012-09-22 20:48:46 [FINEST] [ForgeModLoader] All core mods are successfully located
2012-09-22 20:48:46 [FINEST] [ForgeModLoader] Discovering coremods
2012-09-22 20:48:46 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/argo-2.25.jar
2012-09-22 20:48:46 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/argo-2.25.jar
2012-09-22 20:48:46 [iNFO] [sTDOUT] Request: GET http://files.minecraftforge.net/fmllibs/argo-2.25.jar
2012-09-22 20:48:46 [iNFO] [sTDOUT] No handler. Piping.
2012-09-22 20:48:46 [iNFO] [sTDOUT] Piping finished, data size: 123642
2012-09-22 20:48:46 [FINEST] [ForgeModLoader] Download complete
2012-09-22 20:48:46 [iNFO] [ForgeModLoader] Download complete
2012-09-22 20:48:46 [FINEST] [ForgeModLoader] Library file argo-2.25.jar was downloaded and verified successfully

2012-09-22 20:48:46 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar
2012-09-22 20:48:46 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar
2012-09-22 20:48:46 [iNFO] [sTDOUT] Request: GET http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar
2012-09-22 20:48:46 [iNFO] [sTDOUT] No handler. Piping.
2012-09-22 20:48:49 [iNFO] [sTDOUT] Piping finished, data size: 1795932
2012-09-22 20:48:49 [FINEST] [ForgeModLoader] Download complete
2012-09-22 20:48:49 [iNFO] [ForgeModLoader] Download complete
2012-09-22 20:48:49 [FINEST] [ForgeModLoader] Library file guava-12.0.1.jar was downloaded and verified successfully

2012-09-22 20:48:49 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/asm-all-4.0.jar
2012-09-22 20:48:49 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/asm-all-4.0.jar
2012-09-22 20:48:49 [iNFO] [sTDOUT] Request: GET http://files.minecraftforge.net/fmllibs/asm-all-4.0.jar
2012-09-22 20:48:49 [iNFO] [sTDOUT] No handler. Piping.
2012-09-22 20:48:50 [iNFO] [sTDOUT] Piping finished, data size: 212767
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Download complete
2012-09-22 20:48:50 [iNFO] [ForgeModLoader] Download complete
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Library file asm-all-4.0.jar was downloaded and verified successfully

2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Running coremod plugins
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Running coremod plugin FMLCorePlugin
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Coremod plugin FMLCorePlugin run successfully
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Running coremod plugin FMLForgePlugin
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Coremod plugin FMLForgePlugin run successfully
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Validating minecraft
2012-09-22 20:48:50 [FINEST] [ForgeModLoader] Minecraft validated, launching...
2012-09-22 20:48:51 [iNFO] [sTDERR] Exception in thread "Thread-10" java.lang.RuntimeException: cpw.mods.fml.relauncher.ReflectionHelper$UnableToFindClassException: java.lang.ClassNotFoundException: net.minecraft.Launcher
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:261)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:204)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:28)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at net.minecraft.Launcher.replace(Launcher.java:136)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at net.minecraft.Launcher$1.run(Launcher.java:79)
2012-09-22 20:48:51 [iNFO] [sTDERR] Caused by: cpw.mods.fml.relauncher.ReflectionHelper$UnableToFindClassException: java.lang.ClassNotFoundException: net.minecraft.Launcher
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.ReflectionHelper.getClass(ReflectionHelper.java:159)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:246)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	... 4 more
2012-09-22 20:48:51 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: net.minecraft.Launcher
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.net.URLClassLoader$1.run(Unknown Source)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.net.URLClassLoader$1.run(Unknown Source)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.security.AccessController.doPrivileged(Native Method)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.net.URLClassLoader.findClass(Unknown Source)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.lang.Class.forName0(Native Method)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at java.lang.Class.forName(Unknown Source)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.ReflectionHelper.getClass(ReflectionHelper.java:151)
2012-09-22 20:48:51 [iNFO] [sTDERR] 	... 5 more

[LexManos]

Use a proper launcher. Please search before you post -.-