diff --git a/src/format.c b/src/format.c
index 3aa638cd..932b1b36 100644
--- a/src/format.c
+++ b/src/format.c
@@ -66,7 +66,6 @@ static BOOLEAN __stdcall FormatExCallback(FILE_SYSTEM_CALLBACK_COMMAND Command,
 	case FCC_PROGRESS:
 		percent = (DWORD*)pData;
 		PrintStatus(0, FALSE, "Formatting: %d%% completed.", *percent);
-//		uprintf("%d percent completed.\n", *percent);
 		UpdateProgress(OP_FORMAT, 1.0f * (*percent));
 		break;
 	case FCC_STRUCTURE_PROGRESS:	// No progress on quick format
@@ -611,10 +610,8 @@ DWORD WINAPI FormatThread(LPVOID param)
 				FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
 				goto out;
 			}
-			// Make sure the volume is dismounted before writing the PBR
-			// This is especially critical, as NTFS will only be made bootable
-			// after the FS is re-mounted by Windows
-			UnmountDrive(hLogicalVolume);
+			// NB: if you unmount the logical volume here, XP will report error:
+			// [0x00000456] The media in the drive may have changed
 			PrintStatus(0, TRUE, "Writing partition boot record...");
 			if (!WritePBR(hLogicalVolume)) {
 				if (!FormatStatus)
@@ -668,6 +665,7 @@ DWORD WINAPI FormatThread(LPVOID param)
 		}
 		if (IsChecked(IDC_SET_ICON))
 			SetAutorun(drive_name);
+		UpdateProgress(OP_DOS, -1.0f);
 		// Issue another complete remount before we exit, to ensure we're clean
 		RemountVolume(drive_name[0]);
 	}
diff --git a/src/ms-sys/ntfs.c b/src/ms-sys/ntfs.c
index 2fa86397..e4b5eb31 100644
--- a/src/ms-sys/ntfs.c
+++ b/src/ms-sys/ntfs.c
@@ -25,9 +25,9 @@
 
 int is_ntfs_fs(FILE *fp)
 {
-   char *szMagic = "NTFS";
+   unsigned char aucMagic[] = {'N','T','F','S',' ',' ',' ',' '};
 
-   return contains_data(fp, 0x6F, szMagic, strlen(szMagic));
+   return contains_data(fp, 0x03, aucMagic, sizeof(aucMagic));
 } /* is_ntfs_fs */
 
 int is_ntfs_br(FILE *fp)
@@ -35,7 +35,7 @@ int is_ntfs_br(FILE *fp)
    /* A "file" is probably some kind of NTFS boot record if it contains the
       magic chars 0x55, 0xAA at positions 0x1FE */
    unsigned char aucRef[] = {0x55, 0xAA};
-   unsigned char aucMagic[] = {'N','T','F','S','0','0','0','0'};
+   unsigned char aucMagic[] = {'N','T','F','S',' ',' ',' ',' '};
 
    if( ! contains_data(fp, 0x1FE, aucRef, sizeof(aucRef)))
       return 0;
diff --git a/src/rufus.rc b/src/rufus.rc
index c73413dd..54191d64 100644
--- a/src/rufus.rc
+++ b/src/rufus.rc
@@ -33,7 +33,7 @@ LANGUAGE LANG_ENGLISH, SUBLANG_NEUTRAL
 IDD_DIALOG DIALOGEX 12, 12, 206, 289
 STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_APPWINDOW
-CAPTION "Rufus v1.1.3.144"
+CAPTION "Rufus v1.1.3.145"
 FONT 8, "MS Shell Dlg", 400, 0, 0x1
 BEGIN
     DEFPUSHBUTTON   "Start",IDC_START,94,248,50,14
@@ -73,7 +73,7 @@ BEGIN
     DEFPUSHBUTTON   "OK",IDOK,231,175,50,14,WS_GROUP
     CONTROL         "<a href=""http://rufus.akeo.ie"">http://rufus.akeo.ie</a>",IDC_ABOUT_RUFUS_URL,
                     "SysLink",WS_TABSTOP,46,47,114,9
-    LTEXT           "Version 1.1.3 (Build 144)",IDC_STATIC,46,19,78,8
+    LTEXT           "Version 1.1.3 (Build 145)",IDC_STATIC,46,19,78,8
     PUSHBUTTON      "License...",IDC_ABOUT_LICENSE,46,175,50,14,WS_GROUP
     EDITTEXT        IDC_ABOUT_COPYRIGHTS,46,107,235,63,ES_MULTILINE | ES_READONLY | WS_VSCROLL
     LTEXT           "Report bugs or request enhancements at:",IDC_STATIC,46,66,187,8
@@ -223,8 +223,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,1,3,144
- PRODUCTVERSION 1,1,3,144
+ FILEVERSION 1,1,3,145
+ PRODUCTVERSION 1,1,3,145
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -241,13 +241,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "akeo.ie"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "1.1.3.144"
+            VALUE "FileVersion", "1.1.3.145"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
             VALUE "OriginalFilename", "rufus.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "1.1.3.144"
+            VALUE "ProductVersion", "1.1.3.145"
         END
     END
     BLOCK "VarFileInfo"