diff -pudN e:\wine\dlls\ole32/clipboard.c e:\reactos\dll\win32\ole32/clipboard.c
--- e:\wine\dlls\ole32/clipboard.c	2016-11-16 17:29:23 +0100
+++ e:\reactos\dll\win32\ole32/clipboard.c	2016-11-16 23:37:23 +0100
@@ -2001,6 +2001,10 @@ static LRESULT CALLBACK clipbrd_wndproc(
     ole_clipbrd *clipbrd;
 
     get_ole_clipbrd(&clipbrd);
+#ifdef __REACTOS__
+    if(clipbrd == NULL)
+        return DefWindowProcW(hwnd, message, wparam, lparam);
+#endif
 
     switch (message)
     {
diff -pudN e:\wine\dlls\ole32/compobj.c e:\reactos\dll\win32\ole32/compobj.c
--- e:\wine\dlls\ole32/compobj.c	2016-11-16 17:29:23 +0100
+++ e:\reactos\dll\win32\ole32/compobj.c	2016-11-17 15:23:00 +0100
@@ -43,6 +43,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(ole);
 
+#undef ARRAYSIZE
 #define ARRAYSIZE(array) (sizeof(array)/sizeof((array)[0]))
 
 /****************************************************************************
@@ -303,9 +304,13 @@ static NTSTATUS create_key( HKEY *retkey
     return status;
 }
 
+#ifdef __REACTOS__
+static const WCHAR classes_rootW[] = L"\\REGISTRY\\Machine\\Software\\Classes";
+#else
 static const WCHAR classes_rootW[] =
     {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e',
      '\\','S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s',0};
+#endif
 
 static HKEY classes_root_hkey;
 
diff -pudN e:\wine\dlls\ole32/stg_prop.c e:\reactos\dll\win32\ole32/stg_prop.c
--- e:\wine\dlls\ole32/stg_prop.c	2016-11-16 17:29:23 +0100
+++ e:\reactos\dll\win32\ole32/stg_prop.c	2016-08-15 16:49:04 +0100
@@ -1013,7 +1017,13 @@ static HRESULT PropertyStorage_ReadDicti
     return hr;
 }
 
-static void* WINAPI Allocate_CoTaskMemAlloc(void *this, ULONG size)
+#ifdef __i386__
+#define __thiscall_wrapper __stdcall
+#else
+#define __thiscall_wrapper __cdecl
+#endif
+
+static void* __thiscall_wrapper Allocate_CoTaskMemAlloc(void *this, ULONG size)
 {
     return CoTaskMemAlloc(size);
 }
@@ -1022,7 +1032,7 @@ static void* WINAPI Allocate_CoTaskMemAl
  * end of the buffer.
  */
 static HRESULT PropertyStorage_ReadProperty(PROPVARIANT *prop, const BYTE *data,
-    UINT codepage, void* (WINAPI *allocate)(void *this, ULONG size), void *allocate_data)
+    UINT codepage, void* (__thiscall_wrapper *allocate)(void *this, ULONG size), void *allocate_data)
 {
     HRESULT hr = S_OK;
 
@@ -2711,13 +2721,13 @@ end:
                    "jmp *(4*(" #num "))(%eax)" )
 
 DEFINE_STDCALL_WRAPPER(0,Allocate_PMemoryAllocator,8)
-extern void* WINAPI Allocate_PMemoryAllocator(void *this, ULONG cbSize);
+extern void* __stdcall Allocate_PMemoryAllocator(void *this, ULONG cbSize);
 
 #else
 
-static void* WINAPI Allocate_PMemoryAllocator(void *this, ULONG cbSize)
+static void* __cdecl Allocate_PMemoryAllocator(void *this, ULONG cbSize)
 {
-    void* (WINAPI *fn)(void*,ULONG) = **(void***)this;
+    void* (__cdecl *fn)(void*,ULONG) = **(void***)this;
     return fn(this, cbSize);
 }
diff -pudN e:\wine\dlls\ole32/drag_copy.cur e:\reactos\dll\win32\ole32/drag_copy.cur
diff -pudN e:\wine\dlls\ole32/drag_link.cur e:\reactos\dll\win32\ole32/drag_link.cur
diff -pudN e:\wine\dlls\ole32/drag_move.cur e:\reactos\dll\win32\ole32/drag_move.cur
diff -pudN e:\wine\dlls\ole32/nodrop.cur e:\reactos\dll\win32\ole32/nodrop.cur
#4 cur files kept at older state of ros SVN r75889 to avoid CORE-14608