Index: C:/ROS/reactos-clean/reactos/include/psdk/winnt.h
===================================================================
--- include/psdk/winnt.h	(revision 64017)
+++ include/psdk/winnt.h	(working copy)
@@ -743,7 +743,7 @@
 
 /* Multiplication and Shift Operations. Note: we don't use inline
    asm functions, the compiler can optimize this better. */
-#define Int32x32To64(a,b) (((__int64)(long)(a))*((__int64)(long)(b)))
+#define Int32x32To64(a,b) (((__int64)(a))*((__int64)(b)))
 #define UInt32x32To64(a,b) ((unsigned __int64)(unsigned int)(a)*(unsigned __int64)(unsigned int)(b))
 
 #if defined(MIDL_PASS)|| defined(RC_INVOKED) || defined(_M_CEE_PURE)
@@ -755,7 +755,7 @@
 /* Use intrinsics */
  #define Int64ShllMod32(a,b) __ll_lshift(a,b)
  #define Int64ShraMod32(a,b) __ll_rshift(a,b)
- #define Int64ShrlMod32(a,b) __ull_rshift(a,b)
+ #define Int64ShrlMod32(a,b) (((unsigned __int64)(a))>>(b))
 #endif
 
 #define RotateLeft32 _rotl