diff --git a/hbc/meta.xml b/hbc/meta.xml
index 38ead13..8d895ec 100644
--- a/hbc/meta.xml
+++ b/hbc/meta.xml
@@ -3,7 +3,8 @@
   <name>Snes9x GX</name>
   <coder>Tantric</coder>
   <version>4.2.3</version>
-  <release_date>20100722</release_date>
+  <release_date>20100814</release_date>
   <short_description>Super Nintendo Emulator</short_description> 
   <long_description>A Super Nintendo Emulator for Wii</long_description> 
+  <no_ios_reload/>
 </app>
diff --git a/readme.txt b/readme.txt
index 34c8ff5..59511ba 100644
--- a/readme.txt
+++ b/readme.txt
@@ -43,6 +43,12 @@ Wii homebrew is WiiBrew (www.wiibrew.org).
 |                                                          UPDATE HISTORY  |
 •˜———–—––-- - —————————––––– ———–—––-- - —————————––––– ———–—––-- - ————————•
 
+[4.2.4 - August 14, 2010]
+
+* IOS 202 support removed
+* USB 2.0 support via IOS 58 added - requires that IOS58 be pre-installed
+* DVD support via AHBPROT - requires latest HBC
+
 [4.2.3 - July 22, 2010]
 
 * Fixed broken auto-update
diff --git a/source/preferences.cpp b/source/preferences.cpp
index 048ffb3..553d4a1 100644
--- a/source/preferences.cpp
+++ b/source/preferences.cpp
@@ -503,14 +503,21 @@ SavePrefs (bool silent)
 			return false;
 		
 		sprintf(filepath, "%s%s", pathPrefix[device], APPFOLDER);
-				
-		if (!diropen(filepath))
+		DIR_ITER *dir = diropen(filepath);
+		if (!dir)
 		{
-			mkdir(filepath, 0777);
+			if(mkdir(filepath, 0777) != 0)
+				return false;
 			sprintf(filepath, "%s%s/roms", pathPrefix[device], APPFOLDER);
-			mkdir(filepath, 0777);
+			if(mkdir(filepath, 0777) != 0)
+				return false;
 			sprintf(filepath, "%s%s/saves", pathPrefix[device], APPFOLDER);
-			mkdir(filepath, 0777);
+			if(mkdir(filepath, 0777) != 0)
+				return false;
+		}
+		else
+		{
+			dirclose(dir);
 		}
 		sprintf(filepath, "%s%s/%s", pathPrefix[device], APPFOLDER, PREF_FILE_NAME);
 		sprintf(prefpath, "%s%s", pathPrefix[device], APPFOLDER);
diff --git a/source/snes9xgx.cpp b/source/snes9xgx.cpp
index b12bc5f..fb2c6f4 100644
--- a/source/snes9xgx.cpp
+++ b/source/snes9xgx.cpp
@@ -214,51 +214,12 @@ void setFrameTimerMethod()
  * IOS Check
  ***************************************************************************/
 #ifdef HW_RVL
-static bool FindIOS(u32 ios)
-{
-	s32 ret;
-	u32 n;
-
-	u64 *titles = NULL;
-	u32 num_titles=0;
-
-	ret = ES_GetNumTitles(&num_titles);
-	if (ret < 0)
-		return false;
-
-	if(num_titles < 1) 
-		return false;
-
-	titles = (u64 *)memalign(32, num_titles * sizeof(u64) + 32);
-	if (!titles)
-		return false;
-
-	ret = ES_GetTitles(titles, num_titles);
-	if (ret < 0)
-	{
-		free(titles);
-		return false;
-	}
-		
-	for(n=0; n < num_titles; n++)
-	{
-		if((titles[n] & 0xFFFFFFFF)==ios) 
-		{
-			free(titles); 
-			return true;
-		}
-	}
-    free(titles); 
-	return false;
-}
-
 bool SaneIOS()
 {
 	bool res = false;
 	u32 num_titles=0;
 	u32 tmd_size;
 	u32 ios = IOS_GetVersion();
-	u32 tmdbuffer[MAX_SIGNED_TMD_SIZE] ATTRIBUTE_ALIGN(32); 
 
 	if(ios > 200)
 		return false;
@@ -270,12 +231,23 @@ bool SaneIOS()
 		return false;
 
 	u64 *titles = (u64 *)memalign(32, num_titles * sizeof(u64) + 32);
+	
+	if(!titles)
+		return false;
 
 	if (ES_GetTitles(titles, num_titles) < 0)
 	{
 		free(titles);
 		return false;
 	}
+	
+	u32 *tmdbuffer = (u32 *)memalign(32, MAX_SIGNED_TMD_SIZE);
+
+	if(!tmdbuffer)
+	{
+		free(titles);
+		return false;
+	}
 
 	for(u32 n=0; n < num_titles; n++)
 	{
@@ -297,6 +269,7 @@ bool SaneIOS()
 			break;
 		}
 	}
+	free(tmdbuffer);
     free(titles);
 	return res;
 }
@@ -368,14 +341,11 @@ main(int argc, char *argv[])
 	#ifdef HW_RVL
 	// only reload IOS if AHBPROT is not enabled
 	u32 version = IOS_GetVersion();
+	s32 preferred = IOS_GetPreferredVersion();
+
+	if(version != 58 && preferred > 0 && version != (u32)preferred && __di_check_ahbprot() != 1)
+		IOS_ReloadIOS(preferred);
 
-	if(version != 58 && __di_check_ahbprot() != 1)
-	{
-		if(FindIOS(58))
-			IOS_ReloadIOS(58);
-		else if((version < 61 || version >= 200) && FindIOS(61))
-			IOS_ReloadIOS(61);
-	}
 	DI_Init();
 	#endif
 
diff --git a/source/snes9xgx.h b/source/snes9xgx.h
index c34dab2..096f93e 100644
--- a/source/snes9xgx.h
+++ b/source/snes9xgx.h
@@ -20,7 +20,7 @@
 #include "filelist.h"
 
 #define APPNAME 		"Snes9x GX"
-#define APPVERSION 		"4.2.3"
+#define APPVERSION 		"4.2.4"
 #define APPFOLDER 		"snes9xgx"
 #define PREF_FILE_NAME 	"settings.xml"
 
diff --git a/update.xml b/update.xml
index fb028c7..00c9819 100644
--- a/update.xml
+++ b/update.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<app version="4.2.3">
-<file url="http://snes9x-gx.googlecode.com/files/Snes9x%20GX%204.2.3.zip"></file>
+<app version="4.2.4">
+<file url="http://snes9x-gx.googlecode.com/files/Snes9x%20GX%204.2.4.zip"></file>
 </app>