diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index 9c4d6dfd..a8f70b2b 100644
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -1708,7 +1708,7 @@ function img_unsupport_menuentry {
 #############################################################
 #############################################################
 
-set VENTOY_VERSION="1.0.42"
+set VENTOY_VERSION="1.0.43"
 
 #ACPI not compatible with Window7/8, so disable by default
 set VTOY_PARAM_NO_ACPI=1
diff --git a/LinuxGUI/Ventoy2Disk/Core/ventoy_disk.c b/LinuxGUI/Ventoy2Disk/Core/ventoy_disk.c
index a4ac62b5..04eb7f48 100644
--- a/LinuxGUI/Ventoy2Disk/Core/ventoy_disk.c
+++ b/LinuxGUI/Ventoy2Disk/Core/ventoy_disk.c
@@ -514,6 +514,8 @@ int ventoy_get_vtoy_data(ventoy_disk *info, int *ppartstyle)
     vdebug("ventoy partition layout check OK: [%llu %llu] [%llu %llu]\n", 
                part1_start_sector, part1_sector_count, part2_start_sector, part2_sector_count);
 
+    vtoy->ventoy_valid = 1;
+
     vdebug("now check secure boot for %s ...\n", info->disk_path);
 
     g_fatlib_media_fd = fd;
@@ -526,7 +528,6 @@ int ventoy_get_vtoy_data(ventoy_disk *info, int *ppartstyle)
         if (ret == 0 && vtoy->ventoy_ver[0])
         {
             vtoy->secure_boot_flag = fatlib_is_secure_boot_enable();            
-            vtoy->ventoy_valid = 1;
         }
         else
         {
@@ -542,6 +543,11 @@ int ventoy_get_vtoy_data(ventoy_disk *info, int *ppartstyle)
     g_fatlib_media_fd = -1;
     g_fatlib_media_offset = 0;
 
+    if (vtoy->ventoy_ver[0] == 0)
+    {
+        vtoy->ventoy_ver[0] = '?';
+    }
+
     if (0 == vtoy->ventoy_valid)
     {
         goto end;