Index: /trunk/src/VBox/HostDrivers/Support/win/SUPHardenedVerifyProcess-win.cpp
===================================================================
--- /trunk/src/VBox/HostDrivers/Support/win/SUPHardenedVerifyProcess-win.cpp	(revision 53035)
+++ /trunk/src/VBox/HostDrivers/Support/win/SUPHardenedVerifyProcess-win.cpp	(revision 53036)
@@ -1811,5 +1811,5 @@
 
     NTSTATUS rcNt = NtCreateFile(&hFile,
-                                 GENERIC_READ,
+                                 GENERIC_READ | SYNCHRONIZE,
                                  &ObjAttr,
                                  &Ios,
Index: /trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp
===================================================================
--- /trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp	(revision 53035)
+++ /trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp	(revision 53036)
@@ -158,5 +158,5 @@
 
         NTSTATUS rcNt = NtCreateFile(&hDevice,
-                                     GENERIC_READ | GENERIC_WRITE,
+                                     GENERIC_READ | GENERIC_WRITE, /* No SYNCHRONIZE. */
                                      &ObjAttr,
                                      &Ios,
@@ -165,5 +165,5 @@
                                      FILE_SHARE_READ | FILE_SHARE_WRITE,
                                      FILE_OPEN,
-                                     FILE_NON_DIRECTORY_FILE,
+                                     FILE_NON_DIRECTORY_FILE, /* No FILE_SYNCHRONOUS_IO_NONALERT! */
                                      NULL /*EaBuffer*/,
                                      0 /*EaLength*/);
Index: /trunk/src/VBox/HostDrivers/Support/win/SUPR3HardenedMain-win.cpp
===================================================================
--- /trunk/src/VBox/HostDrivers/Support/win/SUPR3HardenedMain-win.cpp	(revision 53035)
+++ /trunk/src/VBox/HostDrivers/Support/win/SUPR3HardenedMain-win.cpp	(revision 53036)
@@ -4221,5 +4221,5 @@
     InitializeObjectAttributes(&ObjAttr, &NtName, OBJ_CASE_INSENSITIVE, NULL /*hRootDir*/, NULL /*pSecDesc*/);
     NTSTATUS rcNt = NtCreateFile(&hFile,
-                                 GENERIC_READ,
+                                 GENERIC_READ, /* No SYNCHRONIZE. */
                                  &ObjAttr,
                                  &Ios,
@@ -4228,5 +4228,5 @@
                                  FILE_SHARE_READ | FILE_SHARE_WRITE,
                                  FILE_OPEN,
-                                 FILE_NON_DIRECTORY_FILE,
+                                 FILE_NON_DIRECTORY_FILE, /* No FILE_SYNCHRONOUS_IO_NONALERT. */
                                  NULL /*EaBuffer*/,
                                  0 /*EaLength*/);
@@ -4374,5 +4374,5 @@
 
         rcNt = NtCreateFile(&hFile,
-                            GENERIC_READ | GENERIC_WRITE,
+                            GENERIC_READ | GENERIC_WRITE, /* No SYNCHRONIZE. */
                             &ObjAttr,
                             &Ios,
@@ -4381,5 +4381,5 @@
                             FILE_SHARE_READ | FILE_SHARE_WRITE,
                             FILE_OPEN,
-                            FILE_NON_DIRECTORY_FILE,
+                            FILE_NON_DIRECTORY_FILE, /* No FILE_SYNCHRONOUS_IO_NONALERT. */
                             NULL /*EaBuffer*/,
                             0 /*EaLength*/);
@@ -4841,5 +4841,5 @@
     InitializeObjectAttributes(&ObjAttr, &UniStrName, OBJ_CASE_INSENSITIVE, NULL /*hRootDir*/, NULL /*pSecDesc*/);
     NTSTATUS rcNt = NtCreateFile(&hFile,
-                                 GENERIC_READ,
+                                 GENERIC_READ | SYNCHRONIZE,
                                  &ObjAttr,
                                  &Ios,
@@ -5305,7 +5305,7 @@
         UniStrName.MaximumLength = UniStrName.Length + sizeof(WCHAR);
         InitializeObjectAttributes(&ObjAttr, &UniStrName, OBJ_CASE_INSENSITIVE, NULL /*hRootDir*/, NULL /*pSecDesc*/);
-        rcNt = NtCreateFile(&hFile, GENERIC_READ, &ObjAttr, &Ios, NULL /* Allocation Size*/,  FILE_ATTRIBUTE_NORMAL,
-                            FILE_SHARE_READ, FILE_OPEN, FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT,
-                            NULL /*EaBuffer*/, 0 /*EaLength*/);
+        rcNt = NtCreateFile(&hFile, GENERIC_READ | SYNCHRONIZE, &ObjAttr, &Ios, NULL /* Allocation Size*/,
+                            FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ, FILE_OPEN,
+                            FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT, NULL /*EaBuffer*/, 0 /*EaLength*/);
         if (NT_SUCCESS(rcNt) && NT_SUCCESS(Ios.Status))
         {