Forge 6.6.2.534 : FATAL ERROR (ModLoader)

Hi guys I have a big problem, my minecraft 1.4.7 and my ModLoader 1.4.7 doesn't work or make a fatal error    .Please, give me a link if you have a ModLoader for minecraft 1.4.7 that works with 6.6.2.534 forge . I give you also .log  .

Sorry for my bad English accent ; I'm French 

2013-03-15 22:16:22 [iNFO] [ForgeModLoader] Forge Mod Loader version 4.7.35.556 for Minecraft 1.4.7 loading

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] All core mods are successfully located

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] Discovering coremods

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] Found library file argo-2.25.jar present and correct in lib dir

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] Found library file guava-12.0.1.jar present and correct in lib dir

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] Found library file asm-all-4.0.jar present and correct in lib dir

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] Found library file bcprov-jdk15on-147.jar present and correct in lib dir

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] Running coremod plugins

2013-03-15 22:16:22 [FINEST] [ForgeModLoader] Running coremod plugin FMLCorePlugin

2013-03-15 22:16:22 [sEVERE] [ForgeModLoader] FML appears to be missing any signature data. This is not a good thing

2013-03-15 22:16:36 [iNFO] [sTDERR] Exception in thread "Thread-5" java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: Invalid ModLoader class detected

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:175)

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:242)

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)

2013-03-15 22:16:36 [iNFO] [sTDERR] at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)

2013-03-15 22:16:36 [iNFO] [sTDERR] at net.minecraft.Launcher.replace(Launcher.java:136)

2013-03-15 22:16:36 [iNFO] [sTDERR] at net.minecraft.Launcher$1.run(Launcher.java:79)

2013-03-15 22:16:36 [iNFO] [sTDERR] Caused by: java.lang.RuntimeException: java.lang.RuntimeException: Invalid ModLoader class detected

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:265)

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155)

2013-03-15 22:16:36 [iNFO] [sTDERR] ... 5 more

2013-03-15 22:16:36 [iNFO] [sTDERR] Caused by: java.lang.RuntimeException: Invalid ModLoader class detected

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.common.asm.FMLSanityChecker.call(FMLSanityChecker.java:118)

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.common.asm.FMLSanityChecker.call(FMLSanityChecker.java:34)

2013-03-15 22:16:36 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:261)