Kill the lua thread as part of closing.

BizHawk.MultiClient/LuaImplementation.cs

@@ -31,6 +31,7 @@ namespace BizHawk.MultiClient
 
 		public void Close()
 		{
+            LuaKillThread();
 			lua.Close();
 			LuaWait.Dispose();
 		}
@@ -118,6 +119,11 @@ namespace BizHawk.MultiClient
 			isRunning = false;
 			LuaWait.Set();
 		}
+        public void LuaKillThread()
+        {
+            if (LuaThread != null)
+                LuaThread.Abort();
+        }
 
 		public void DoLuaFile(string File)
 		{

BizHawk.MultiClient/MainForm.cs

@@ -119,6 +119,7 @@ namespace BizHawk.MultiClient
 				CloseGame();
 				Global.MovieSession.Movie.StopMovie();
 				SaveConfig();
+                LuaConsole1.LuaImp.StopScripts();
 			};
 
 			ResizeBegin += (o, e) =>
@@ -364,7 +365,7 @@ namespace BizHawk.MultiClient
 			{
 				CurrAviWriter.CloseFile();
 				CurrAviWriter = null;
-			}
+			}            
 		}
 
 		void CheckMessages()

BizHawk.MultiClient/tools/LuaConsole.cs

@@ -93,7 +93,7 @@ namespace BizHawk.MultiClient
 		private void StopAllScripts()
 		{
 			for (int x = 0; x < luaList.Count; x++)
-				luaList[x].Enabled = false;
+				luaList[x].Enabled = false;            
 			LuaImp.Close();
 			LuaImp = new LuaImplementation(this);
 		}