diff --git a/src/format.c b/src/format.c
index 567e101c..dd639df7 100644
--- a/src/format.c
+++ b/src/format.c
@@ -205,8 +205,8 @@ static void ToValidLabel(WCHAR* name, BOOL bFAT)
 {
 	size_t i, j, k;
 	BOOL found;
-	WCHAR unauthorized[] = L"*?.,;:/\\|+=<>[]";
-	WCHAR to_underscore[] = L"\t";
+	WCHAR unauthorized[] = L"*?,;:/\\|+=<>[]";
+	WCHAR to_underscore[] = L"\t.";
 
 	if (name == NULL)
 		return;
@@ -331,7 +331,7 @@ static DWORD GetFATSizeSectors(DWORD DskSize, DWORD ReservedSecCnt, DWORD SecPer
 static BOOL FormatFAT32(DWORD DriveIndex)
 {
 	BOOL r = FALSE;
-	DWORD i;
+	DWORD i, LastRefresh = 0;
 	HANDLE hLogicalVolume;
 	DWORD cbRet;
 	DISK_GEOMETRY dgDrive;
@@ -549,9 +549,12 @@ static BOOL FormatFAT32(DWORD DriveIndex)
 
 	format_percent = 0.0f;
 	for (i=0; i<(SystemAreaSize+BurstSize-1); i+=BurstSize) {
-		format_percent = (100.0f*i)/(1.0f*(SystemAreaSize+BurstSize));
-		PrintStatus(0, FALSE, "Formatting: %d%% completed.", (int)format_percent);
-		UpdateProgress(OP_FORMAT, format_percent);
+		if (GetTickCount() > LastRefresh + 25) {
+			LastRefresh = GetTickCount();
+			format_percent = (100.0f*i)/(1.0f*(SystemAreaSize+BurstSize));
+			PrintStatus(0, FALSE, "Formatting: %0.1f%% completed.", format_percent);
+			UpdateProgress(OP_FORMAT, format_percent);
+		}
 		if (IS_ERROR(FormatStatus)) goto out;	// For cancellation
 		if (write_sectors(hLogicalVolume, BytesPerSect, i, BurstSize, pZeroSect) != (BytesPerSect*BurstSize)) {
 			die("Error clearing reserved sectors\n", ERROR_WRITE_FAULT);
diff --git a/src/rufus.c b/src/rufus.c
index e15b4a94..f0739dbc 100644
--- a/src/rufus.c
+++ b/src/rufus.c
@@ -545,13 +545,13 @@ static BOOL PopulateProperties(int ComboIndex)
 		HumanReadableSize *= 1024.0;
 		i--;
 	}
-	// If we're beneath the tolerance, round proposed label to an integer, if not, show one decimal point
+	// If we're beneath the tolerance, round proposed label to an integer, if not, show two decimal point
 	if (fabs(HumanReadableSize / ceil(HumanReadableSize) - 1.0) < PROPOSEDLABEL_TOLERANCE) {
 		safe_sprintf(SelectedDrive.proposed_label, sizeof(SelectedDrive.proposed_label),
 			"%0.0f%s", ceil(HumanReadableSize), suffix[i]);
 	} else {
 		safe_sprintf(SelectedDrive.proposed_label, sizeof(SelectedDrive.proposed_label),
-			"%0.1f%s", HumanReadableSize, suffix[i]);
+			"%0.2f%s", HumanReadableSize, suffix[i]);
 	}
 
 	// If no existing label is available and no ISO is selected, propose one according to the size (eg: "256MB", "8GB")
diff --git a/src/rufus.rc b/src/rufus.rc
index 284c6e79..c51b34d3 100644
--- a/src/rufus.rc
+++ b/src/rufus.rc
@@ -30,7 +30,7 @@ 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 v1.3.4.277"
+CAPTION "Rufus v1.3.4.278"
 FONT 8, "MS Shell Dlg", 400, 0, 0x1
 BEGIN
     DEFPUSHBUTTON   "Start",IDC_START,94,291,50,14
@@ -278,8 +278,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,3,4,277
- PRODUCTVERSION 1,3,4,277
+ FILEVERSION 1,3,4,278
+ PRODUCTVERSION 1,3,4,278
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -296,13 +296,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "1.3.4.277"
+            VALUE "FileVersion", "1.3.4.278"
             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", "1.3.4.277"
+            VALUE "ProductVersion", "1.3.4.278"
         END
     END
     BLOCK "VarFileInfo"