Fatal error while starting?

[AadamZ5]

I get a fatal error whenever i start up minecraft. Im using a clean jar, and (for sure) the latest build.

 

[code]2013-01-22 02:43:09 [iNFO] [ForgeModLoader] Forge Mod Loader version 4.7.4.520 for Minecraft 1.4.7 loading
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] All core mods are successfully located
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Discovering coremods
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Found a candidate coremod CodeChickenCore 0.6.0.jar
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Loading coremod CodeChickenCore 0.6.0.jar
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Loaded coremod CodeChickenCore 0.6.0.jar
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Found a candidate coremod NotEnoughItems 1.4.0.0.jar
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Loading coremod NotEnoughItems 1.4.0.0.jar
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Loaded coremod NotEnoughItems 1.4.0.0.jar
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Found library file argo-2.25.jar present and correct in lib dir
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Found library file guava-12.0.1.jar present and correct in lib dir
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Found library file asm-all-4.0.jar present and correct in lib dir
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Found library file bcprov-jdk15on-147.jar present and correct in lib dir
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Running coremod plugins
2013-01-22 02:43:09 [FINEST] [ForgeModLoader] Running coremod plugin FMLCorePlugin
2013-01-22 02:47:43 [iNFO] [sTDERR] Exception in thread "Thread-5" java.lang.RuntimeException: java.lang.RuntimeException: java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.FMLSanityChecker
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:175)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:242)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at net.minecraft.Launcher.replace(Launcher.java:134)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at net.minecraft.Launcher$1.run(Launcher.java:78)
2013-01-22 02:47:43 [iNFO] [sTDERR] Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.FMLSanityChecker
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:265)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	... 5 more
2013-01-22 02:47:43 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.FMLSanityChecker
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at java.lang.ClassLoader.loadClass(Unknown Source)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at java.lang.Class.forName0(Native Method)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at java.lang.Class.forName(Unknown Source)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:257)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	... 6 more
2013-01-22 02:47:43 [iNFO] [sTDERR] Caused by: java.lang.ClassCircularityError: codechicken/core/asm/ObfuscationManager$ClassMapping
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at codechicken.nei.asm.NEITransformer.transformer001(NEITransformer.java:31)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at codechicken.nei.asm.NEITransformer.transform(NEITransformer.java:102)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:228)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:173)
2013-01-22 02:47:43 [iNFO] [sTDERR] 	... 11 more

[/code]

[AadamZ5]

Nevermind. Locking topic. Had to delete coremods folder in ".minecraft" location. Thanks- http://www.minecraftforge.net/forum/index.php/topic,3508.0.html