Since the latest update Magic World 2 will not start it begins to launch then there's a bunch of red text in the console and everything closes.
2014-04-21 13:50:42 [INFO] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading
2014-04-21 13:50:42 [INFO] [ForgeModLoader]...