Pokémon 3D has crashed!
---------------------------

System specifications: 
Pokémon 3D version: 0.34
Operating system: Microsoft Windows 7 Home Premium  [6.1.7601.65536]
Decimal seperator: .
---------------------------

Here is further information:
Message: StartIndex cannot be less than zero.
Parameter name: startIndex
InnerException: NOTHING
BaseException: StartIndex cannot be less than zero.
Parameter name: startIndex
HelpLink: No helplink available.
Data: System.Collections.ListDictionaryInternal
Source: mscorlib
TargetSite: Name: Remove [
   Attributes: PrivateScope, Public, HideBySig
   CallingConvention: Standard, HasThis
   ContainsGenericParameters: False
   DeclaringType: System.String
   IsAbstract: False
   IsAssembly: False
   IsConstructor: False
   IsFamily: False
   IsFamilyAndAssembly: False
   IsFamilyOrAssembly: False
   IsFinal: False
   IsGenericMethod: False
   IsGenericMethodDefinition: False
   IsHideBySig: True
   IsPrivate: False
   IsPublic: True
   IsSecurityCritical: False
   IsSecuritySafeCritical: False
   IsSecurityTransparent: True
   IsSpecialName: False
   IsStatic: False
   IsVirtual: False
   MemberType: Method
   MetadataToken: 100664145
   MethodHandle: System.RuntimeMethodHandle
   Module: CommonLanguageRuntimeLibrary
   ReflectedType: System.String
   ]

StackTrace:    at System.String.Remove(Int32 startIndex)
   at _2._5DHero.Player.LoadItems()
   at _2._5DHero.Player.LoadGame(String filePrefix)
   at _2._5DHero.MainMenuScreen.UpdateLoadMenu()
   at _2._5DHero.MainMenuScreen.Update()
   at _2._5DHero.Basic.Update(GameTime gameTime)
   at _2._5DHero.DGame.Update(GameTime gameTime)
   at Microsoft.Xna.Framework.Game.Tick()
   at Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
   at Microsoft.Xna.Framework.GameHost.OnIdle()
   at Microsoft.Xna.Framework.WindowsGameHost.RunOneFrame()
   at Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
   at System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.Run(Form mainForm)
   at Microsoft.Xna.Framework.WindowsGameHost.Run()
   at Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)
   at Microsoft.Xna.Framework.Game.Run()
   at _2._5DHero.Program.Main(String[] args)

You should report this error.

Go to "http://pokemon3d.net/forums/6/create-thread" to report this crash there.