diff --git a/src/format.c b/src/format.c
index 38cc2204..6287f9d1 100644
--- a/src/format.c
+++ b/src/format.c
@@ -922,6 +922,9 @@ static BOOL WriteSBR(HANDLE hPhysicalDrive)
 			sub_type = BT_GRUB2;
 	} else if (partition_type == PARTITION_STYLE_GPT) {
 		sub_type = BT_NON_BOOTABLE;
+	} else {
+		// Needed to prevent protective message to be written for MBR mode
+		sub_type = BT_MAX;
 	}
 
 	switch (sub_type) {
diff --git a/src/format_ext.c b/src/format_ext.c
index 7fbd7849..b80cec3a 100644
--- a/src/format_ext.c
+++ b/src/format_ext.c
@@ -323,15 +323,13 @@ BOOL FormatExtFs(DWORD DriveIndex, uint64_t PartitionOffset, DWORD BlockSize, LP
 	uprintf("%lld blocks (%0.1f%%) reserved for the super user", ext2fs_r_blocks_count(&features), reserve_ratio * 100.0f);
 
 	// Set features
-	ext2fs_set_feature_xattr(&features);
-//	ext2fs_set_feature_resize_inode(&features);
 	ext2fs_set_feature_dir_index(&features);
 	ext2fs_set_feature_filetype(&features);
-//	ext2fs_set_feature_sparse_super(&features);
 	ext2fs_set_feature_large_file(&features);
+	ext2fs_set_feature_sparse_super(&features);
+	ext2fs_set_feature_xattr(&features);
 	if (FSName[3] != '2')
 		ext2fs_set_feature_journal(&features);
-	features.s_backup_bgs[0] = ~0;
 	features.s_default_mount_opts = EXT2_DEFM_XATTR_USER | EXT2_DEFM_ACL;
 
 	// Now that we have set our base features, initialize a virtual superblock
diff --git a/src/rufus.rc b/src/rufus.rc
index d1730101..d7995aeb 100644
--- a/src/rufus.rc
+++ b/src/rufus.rc
@@ -33,7 +33,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 IDD_DIALOG DIALOGEX 12, 12, 232, 326
 STYLE DS_SETFONT | DS_MODALFRAME | DS_CENTER | WS_MINIMIZEBOX | WS_POPUP | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_ACCEPTFILES
-CAPTION "Rufus 3.10.1645"
+CAPTION "Rufus 3.10.1646"
 FONT 9, "Segoe UI Symbol", 400, 0, 0x0
 BEGIN
     LTEXT           "Drive Properties",IDS_DRIVE_PROPERTIES_TXT,8,6,53,12,NOT WS_GROUP
@@ -395,8 +395,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 3,10,1645,0
- PRODUCTVERSION 3,10,1645,0
+ FILEVERSION 3,10,1646,0
+ PRODUCTVERSION 3,10,1646,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -414,13 +414,13 @@ BEGIN
             VALUE "Comments", "https://rufus.ie"
             VALUE "CompanyName", "Akeo Consulting"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "3.10.1645"
+            VALUE "FileVersion", "3.10.1646"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011-2020 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "https://www.gnu.org/licenses/gpl-3.0.html"
             VALUE "OriginalFilename", "rufus-3.10.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "3.10.1645"
+            VALUE "ProductVersion", "3.10.1646"
         END
     END
     BLOCK "VarFileInfo"