diff -r d8811e327d12 -r cd9968b6f96b src/players.cpp
--- a/src/players.cpp	Tue Jun 17 10:32:49 2008 +0000
+++ b/src/players.cpp	Tue Jun 17 13:22:13 2008 +0000
@@ -28,6 +28,7 @@
 #include "vehicle_func.h"
 #include "sound_func.h"
 #include "core/alloc_func.hpp"
+#include "core/sort_func.hpp"
 #include "autoreplace_func.h"
 #include "autoreplace_gui.h"
 #include "string_func.h"
@@ -818,6 +819,8 @@
 {
 	if (flags & DC_EXEC) _current_player = OWNER_NONE;
 
+	InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
+
 	switch (p1) {
 	case 0: { /* Create a new player */
 		/* Joining Client:
@@ -1019,12 +1022,9 @@
 }
 
 /** Sort all players given their performance */
-static int CDECL HighScoreSorter(const void *a, const void *b)
+static int CDECL HighScoreSorter(const Player* const *a, const Player* const *b)
 {
-	const Player *pa = *(const Player* const*)a;
-	const Player *pb = *(const Player* const*)b;
-
-	return pb->old_economy[0].performance_history - pa->old_economy[0].performance_history;
+	return (*b)->old_economy[0].performance_history - (*a)->old_economy[0].performance_history;
 }
 
 /* Save the highscores in a network game when it has ended */
@@ -1038,7 +1038,8 @@
 
 	/* Sort all active players with the highest score first */
 	FOR_ALL_PLAYERS(p) if (p->is_active) pl[count++] = p;
-	qsort((Player*)pl, count, sizeof(pl[0]), HighScoreSorter);
+
+	GSortT(pl, count, &HighScoreSorter);
 
 	{
 		uint i;
@@ -1270,8 +1271,11 @@
 		_player_colors[index] = p->player_color;
 
 		/* This is needed so an AI is attached to a loaded AI */
-		if (p->is_ai && (!_networking || _network_server) && _ai.enabled)
+		if (p->is_ai && (!_networking || _network_server) && _ai.enabled) {
+			/* Clear the memory of the new AI, otherwise we might be doing wrong things. */
+			memset(&_players_ainew[index], 0, sizeof(PlayerAiNew));
 			AI_StartNewAI(p->index);
+		}
 	}
 }