Index: drivers/filesystems/fs_rec/fs_rec.h
===================================================================
--- drivers/filesystems/fs_rec/fs_rec.h	(revision 37312)
+++ drivers/filesystems/fs_rec/fs_rec.h	(working copy)
@@ -23,7 +23,7 @@
 //
 // UDFS Offsets
 //
-#define UDFS_VRS_START_SECTOR   16
+#define UDFS_VRS_START_OFFSET  32768
 #define UDFS_AVDP_SECTOR       256
 
 //
Index: drivers/filesystems/fs_rec/udfs.c
===================================================================
--- drivers/filesystems/fs_rec/udfs.c	(revision 37312)
+++ drivers/filesystems/fs_rec/udfs.c	(working copy)
@@ -24,13 +24,13 @@
     LARGE_INTEGER Offset;
     ULONG State = 0;
 
-    Offset.QuadPart = UDFS_VRS_START_SECTOR;
+    Offset.QuadPart = UDFS_VRS_START_OFFSET;
     while (TRUE)
     {
         if (!FsRecReadBlock(DeviceObject,
                             &Offset,
-                            512,
                             SectorSize,
+                            SectorSize,
                             (PVOID)&Buffer,
                             NULL))
         {
@@ -41,8 +41,7 @@
         {
             case 0:
 
-                if ((Offset.QuadPart == UDFS_VRS_START_SECTOR) &&
-                    (Buffer[1] == 'B') &&
+                if ((Buffer[1] == 'B') &&
                     (Buffer[2] == 'E') &&
                     (Buffer[3] == 'A') &&
                     (Buffer[4] == '0') &&
@@ -83,7 +82,7 @@
                 break;
         }
 
-        Offset.QuadPart++;
+        Offset.QuadPart += SectorSize;
         if (Offset.QuadPart == UDFS_AVDP_SECTOR)
         {
             ExFreePool(Buffer);