diff --git a/src/.msvc/rufus.vcxproj b/src/.msvc/rufus.vcxproj
index 3766519d..3d52a6e5 100644
--- a/src/.msvc/rufus.vcxproj
+++ b/src/.msvc/rufus.vcxproj
@@ -40,12 +40,12 @@
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v110_xp</PlatformToolset>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v110_xp</PlatformToolset>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/src/icon.c b/src/icon.c
index 793101b1..9f79876c 100644
--- a/src/icon.c
+++ b/src/icon.c
@@ -171,6 +171,8 @@ BOOL SetAutorun(const char* path)
 	fd = fopen(filename, "w, ccs=UTF-16LE");
 	if (fd == NULL) {
 		uprintf("Unable to create %s\n", filename);
+		uprintf("NOTE: This may be caused by a poorly designed security solution. "
+			"See http://rufus.akeo.ie/compatibility.");
 		return FALSE;
 	}
 
diff --git a/src/iso.c b/src/iso.c
index 079e6d5c..ebd1bca5 100644
--- a/src/iso.c
+++ b/src/iso.c
@@ -47,6 +47,7 @@
 // the progress bar for every block will bring extraction to a crawl
 #define PROGRESS_THRESHOLD        128
 #define FOUR_GIGABYTES            4294967296LL
+#define WRITE_RETRIES             3
 
 // Needed for UDF ISO access
 CdIo_t* cdio_open (const char* psz_source, driver_id_t driver_id) {return NULL;}
@@ -64,6 +65,7 @@ static const char* efi_dirname = "/efi/boot";
 static const char* isolinux_name[] = { "isolinux.cfg", "syslinux.cfg", "extlinux.conf"};
 static const char* pe_dirname[] = { "/i386", "/minint" };
 static const char* pe_file[] = { "ntdetect.com", "setupldr.bin", "txtsetup.sif" };
+static const char* autorun_name = "autorun.inf";
 static const char* old_c32_name[NB_OLD_C32] = OLD_C32_NAMES;
 static const int64_t old_c32_threshold[NB_OLD_C32] = OLD_C32_THRESHOLD;
 static uint8_t i_joliet_level = 0;
@@ -200,7 +202,7 @@ static __inline BOOL check_iso_props(const char* psz_dirname, BOOL* is_syslinux_
 static int udf_extract_files(udf_t *p_udf, udf_dirent_t *p_udf_dirent, const char *psz_path)
 {
 	HANDLE file_handle = NULL;
-	DWORD buf_size, wr_size;
+	DWORD buf_size, wr_size, err;
 	BOOL r, is_syslinux_cfg, is_old_c32[NB_OLD_C32];
 	int i_length;
 	size_t i, nul_pos;
@@ -266,7 +268,12 @@ static int udf_extract_files(udf_t *p_udf, udf_dirent_t *p_udf_dirent, const cha
 			file_handle = CreateFileU(psz_fullpath, GENERIC_READ | GENERIC_WRITE,
 				FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
 			if (file_handle == INVALID_HANDLE_VALUE) {
+				err = GetLastError();
 				uprintf("  Unable to create file: %s\n", WindowsErrorString());
+				if ((err == ERROR_ACCESS_DENIED) && (safe_strcmp(&psz_fullpath[3], autorun_name) == 0)) {
+					uprintf("  NOTE: This may be caused by a poorly designed security solution. "
+						"See http://rufus.akeo.ie/compatibility.");
+				}
 				goto out;
 			}
 			while (i_file_length > 0) {
@@ -274,15 +281,21 @@ static int udf_extract_files(udf_t *p_udf, udf_dirent_t *p_udf_dirent, const cha
 				memset(buf, 0, UDF_BLOCKSIZE);
 				i_read = udf_read_block(p_udf_dirent, buf, 1);
 				if (i_read < 0) {
-					uprintf("  Error reading UDF file %s\n", &psz_fullpath[strlen(psz_extract_dir)]);
+					uprintf("  Error reading UDF file %s", &psz_fullpath[strlen(psz_extract_dir)]);
 					goto out;
 				}
 				buf_size = (DWORD)MIN(i_file_length, i_read);
-				ISO_BLOCKING(r = WriteFile(file_handle, buf, buf_size, &wr_size, NULL));
-				if ((!r) || (buf_size != wr_size)) {
-					uprintf("  Error writing file: %s\n", WindowsErrorString());
-					goto out;
+				for (i=0; i<WRITE_RETRIES; i++) {
+					ISO_BLOCKING(r = WriteFile(file_handle, buf, buf_size, &wr_size, NULL));
+					if ((!r) || (buf_size != wr_size)) {
+						uprintf("  Error writing file: %s", WindowsErrorString());
+						if (i < WRITE_RETRIES-1)
+							uprintf("  RETRYING...\n");
+					} else {
+						break;
+					}
 				}
+				if (i >= WRITE_RETRIES) goto out;
 				i_file_length -= i_read;
 				if (nb_blocks++ % PROGRESS_THRESHOLD == 0) {
 					SendMessage(hISOProgressBar, PBM_SETPOS, (WPARAM)((MAX_PROGRESS*nb_blocks)/total_blocks), 0);
@@ -318,7 +331,7 @@ out:
 static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
 {
 	HANDLE file_handle = NULL;
-	DWORD buf_size, wr_size;
+	DWORD buf_size, wr_size, err;
 	BOOL s, is_syslinux_cfg, is_old_c32[NB_OLD_C32];
 	int i_length, r = 1;
 	char psz_fullpath[1024], *psz_basename;
@@ -395,7 +408,12 @@ static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
 			file_handle = CreateFileU(psz_fullpath, GENERIC_READ | GENERIC_WRITE,
 				FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
 			if (file_handle == INVALID_HANDLE_VALUE) {
+				err = GetLastError();
 				uprintf("  Unable to create file: %s\n", WindowsErrorString());
+				if ((err == ERROR_ACCESS_DENIED) && (safe_strcmp(&psz_fullpath[3], autorun_name) == 0)) {
+					uprintf("  NOTE: This may be caused by a poorly designed security solution. "
+						"See http://rufus.akeo.ie/compatibility.");
+				}
 				goto out;
 			}
 			for (i = 0; i_file_length > 0; i++) {
@@ -408,11 +426,18 @@ static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
 					goto out;
 				}
 				buf_size = (DWORD)MIN(i_file_length, ISO_BLOCKSIZE);
-				ISO_BLOCKING(s = WriteFile(file_handle, buf, buf_size, &wr_size, NULL));
-				if ((!s) || (buf_size != wr_size)) {
-					uprintf("  Error writing file: %s\n", WindowsErrorString());
-					goto out;
+
+				for (i=0; i<WRITE_RETRIES; i++) {
+					ISO_BLOCKING(s = WriteFile(file_handle, buf, buf_size, &wr_size, NULL));
+					if ((!s) || (buf_size != wr_size)) {
+						uprintf("  Error writing file: %s", WindowsErrorString());
+						if (i < WRITE_RETRIES-1)
+							uprintf("  RETRYING...\n");
+					} else {
+						break;
+					}
 				}
+				if (i >= WRITE_RETRIES) goto out;
 				i_file_length -= ISO_BLOCKSIZE;
 				if (nb_blocks++ % PROGRESS_THRESHOLD == 0) {
 					SendMessage(hISOProgressBar, PBM_SETPOS, (WPARAM)((MAX_PROGRESS*nb_blocks)/total_blocks), 0);
diff --git a/src/rufus.c b/src/rufus.c
index c7c118b4..f2854688 100644
--- a/src/rufus.c
+++ b/src/rufus.c
@@ -1937,7 +1937,7 @@ static INT_PTR CALLBACK MainCallback(HWND hDlg, UINT message, WPARAM wParam, LPA
 			SendMessage(hProgress, PBM_SETSTATE, (WPARAM)PBST_ERROR, 0);
 			SetTaskbarProgressState(TASKBAR_ERROR);
 			PrintStatus(0, FALSE, lmprintf(MSG_212));
-			Notification(MSG_ERROR, NULL, lmprintf(MSG_042), lmprintf(MSG_043), StrError(FormatStatus));
+			Notification(MSG_ERROR, NULL, lmprintf(MSG_042), lmprintf(MSG_043, StrError(FormatStatus)), StrError(FormatStatus));
 		}
 		FormatStatus = 0;
 		format_op_in_progress = FALSE;
@@ -2171,10 +2171,10 @@ relaunch:
 				GetUSBDevices(0);
 				continue;
 			}
-			// Alt-F => Toggle detection of fixed disks
-			// By default Rufus does not allow formatting USB fixed disk drives, such as USB HDDs
-			// This is a safety feature, to avoid someone unintentionally formatting a backup 
-			// drive instead of an USB key. If this is enabled, Rufus will allow fixed disk formatting.
+			// Alt-F => Toggle detection of USB HDDs
+			// By default Rufus does not list USB HDDs. This is a safety feature aimed at avoiding
+			// unintentional formattings of backup drives instead of USB keys.
+			// When enabled, Rufus will list and allow the formatting of USB HDDs.
 			if ((msg.message == WM_SYSKEYDOWN) && (msg.wParam == 'F')) {
 				enable_HDDs = !enable_HDDs;
 				PrintStatus2000(lmprintf(MSG_253), enable_HDDs);
diff --git a/src/rufus.rc b/src/rufus.rc
index f29d66bc..214092e9 100644
--- a/src/rufus.rc
+++ b/src/rufus.rc
@@ -33,7 +33,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 IDD_DIALOG DIALOGEX 12, 12, 206, 329
 STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_APPWINDOW
-CAPTION "Rufus v1.4.0.319"
+CAPTION "Rufus v1.4.0.320"
 FONT 8, "MS Shell Dlg", 400, 0, 0x1
 BEGIN
     DEFPUSHBUTTON   "Start",IDC_START,94,291,50,14
@@ -288,8 +288,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,4,0,319
- PRODUCTVERSION 1,4,0,319
+ FILEVERSION 1,4,0,320
+ PRODUCTVERSION 1,4,0,320
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -306,13 +306,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "1.4.0.319"
+            VALUE "FileVersion", "1.4.0.320"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011-2013 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
             VALUE "OriginalFilename", "rufus.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "1.4.0.319"
+            VALUE "ProductVersion", "1.4.0.320"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/src/smart.c b/src/smart.c
index a03cbc38..87e95f2f 100644
--- a/src/smart.c
+++ b/src/smart.c
@@ -455,16 +455,18 @@ int IsHDD(DWORD DriveIndex, uint16_t vid, uint16_t pid, const char* strid)
 		score -= 10;
 
 	// Check the string against well known HDD identifiers
-	ilen = safe_strlen(strid);
-	for (i=0; i<ARRAYSIZE(str_score); i++) {
-		mlen = strlen(str_score[i].name);
-		if (mlen > ilen)
-			break;
-		wc = (str_score[i].name[mlen-1] == '#');
-		if ( (_strnicmp(strid, str_score[i].name, mlen-((wc)?1:0)) == 0)
-		  && ((!wc) || ((strid[mlen] >= '0') && (strid[mlen] <= '9'))) ) {
-			score += str_score[i].score;
-			break;
+	if (strid != NULL) {
+		ilen = strlen(strid);
+		for (i=0; i<ARRAYSIZE(str_score); i++) {
+			mlen = strlen(str_score[i].name);
+			if (mlen > ilen)
+				break;
+			wc = (str_score[i].name[mlen-1] == '#');
+			if ( (_strnicmp(strid, str_score[i].name, mlen-((wc)?1:0)) == 0)
+			  && ((!wc) || ((strid[mlen] >= '0') && (strid[mlen] <= '9'))) ) {
+				score += str_score[i].score;
+				break;
+			}
 		}
 	}