A2iZPr0

So i download minecraftforge-universal-1.5.1-7.7.1.611 for minecraft 1.5.1 and it successively installs and i am able to enter the main menu. i have 0 mods installed. i create a new world and i click start new world and it loads the world freezes and then says "shutting down internal server" i allocate 6Gb of memory to minecraft so i dont think its that problem. here is my log: Minecraft has crashed! ---------------------- Minecraft has stopped running because it encountered a problem; Unexpected error A full error report has been saved to C:\Users\Adam Downey\AppData\Roaming\.minecraft\crash-reports\crash-2013-04-08_19.58.16-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash --- BEGIN ERROR REPORT a18c121a -------- Full report at: C:\Users\Adam Downey\AppData\Roaming\.minecraft\crash-reports\crash-2013-04-08_19.58.16-client.txt Please show that file to Mojang, NOT just this screen! Generated 4/8/13 7:58 PM -- Head -- Stacktrace: at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:237) at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:83) at net.minecraft.client.multiplayer.NetClientHandler.func_72501_a(NetClientHandler.java:1571) at net.minecraft.network.packet.Packet250CustomPayload.func_73279_a(SourceFile:59) at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89) -- Affected level -- Details: Level name: MpServer All players: 1 total; [EntityClientPlayerMP['A2iZPr0'/226, l='MpServer', x=25.50, y=72.62, z=184.50]] Chunk stats: MultiplayerChunkCache: 0 Level seed: 0 Level generator: ID 00 - default, ver 1. Features enabled: false Level generator options: Level spawn location: World: (20,64,192), Chunk: (at 4,4,0 in 1,12; contains blocks 16,0,192 to 31,255,207), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 5 game time, 5 day time Level dimension: 0 Level storage version: 0x00000 - Unknown? Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Forced entities: 1 total; [EntityClientPlayerMP['A2iZPr0'/226, l='MpServer', x=25.50, y=72.62, z=184.50]] Retry entities: 0 total; [] Stacktrace: at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:441) at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2405) at net.minecraft.client.Minecraft.run(Minecraft.java:779) at java.lang.Thread.run(Unknown Source) -- System Details -- Details: Minecraft Version: 1.5.1 Operating System: Windows 8 (amd64) version 6.2 Java Version: 1.7.0_13, Oracle Corporation Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 484877600 bytes (462 MB) / 634585088 bytes (605 MB) up to 954466304 bytes (910 MB) JVM Flags: 2 total; -Xms512m -Xmx1024m AABB Pool Size: 10817 (605752 bytes; 0 MB) allocated, 10817 (605752 bytes; 0 MB) used Suspicious classes: FML and Forge are installed IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63 FML: MCP v7.44 FML v5.1.8.611 Minecraft Forge 7.7.1.611 3 mods loaded, 3 mods active mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available LWJGL: 2.4.2 OpenGL: GeForce GT 650M/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation Is Modded: Definitely; Client brand changed to 'forge,fml' Type: Client (map_client.txt) Texture Pack: Default Profiler Position: N/A (disabled) Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used java.lang.ClassCastException: net.minecraft.client.entity.EntityClientPlayerMP cannot be cast to cpw.mods.fml.common.network.Player at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:237) at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:83) at net.minecraft.client.multiplayer.NetClientHandler.func_72501_a(NetClientHandler.java:1571) at net.minecraft.network.packet.Packet250CustomPayload.func_73279_a(SourceFile:59) at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89) at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1895) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:831) at net.minecraft.client.Minecraft.run(Minecraft.java:756) at java.lang.Thread.run(Unknown Source) --- END ERROR REPORT 46320202 ----------