diff --git a/reactos/dll/win32/ole32/ole2.c b/reactos/dll/win32/ole32/ole2.c
index f570167bcf2..a9a488594cc 100644
--- a/reactos/dll/win32/ole32/ole2.c
+++ b/reactos/dll/win32/ole32/ole2.c
@@ -409,6 +409,7 @@ HRESULT WINAPI RegisterDragDrop(HWND hwnd, LPDROPTARGET pDropTarget)
   HRESULT hr;
   IStream *stream;
   HANDLE map;
+  IUnknown *unk;
 
   TRACE("(%p,%p)\n", hwnd, pDropTarget);
 
@@ -449,7 +450,15 @@ HRESULT WINAPI RegisterDragDrop(HWND hwnd, LPDROPTARGET pDropTarget)
   hr = CreateStreamOnHGlobal(NULL, TRUE, &stream);
   if(FAILED(hr)) return hr;
 
-  hr = CoMarshalInterface(stream, &IID_IDropTarget, (IUnknown*)pDropTarget, MSHCTX_LOCAL, NULL, MSHLFLAGS_TABLESTRONG);
+  hr = IDropTarget_QueryInterface(pDropTarget, &IID_IUnknown, (void**)&unk);
+  if(FAILED(hr))
+  {
+      IStream_Release(stream);
+      return hr;
+  }
+  hr = CoMarshalInterface(stream, &IID_IDropTarget, unk, MSHCTX_LOCAL, NULL, MSHLFLAGS_TABLESTRONG);
+  IUnknown_Release(unk);
+
   if(SUCCEEDED(hr))
   {
     hr = create_map_from_stream(stream, &map);
diff --git a/reactos/dll/win32/oleaut32/oleaut32.spec b/reactos/dll/win32/oleaut32/oleaut32.spec
index 7b764ef96b6..a86486fecac 100644
--- a/reactos/dll/win32/oleaut32/oleaut32.spec
+++ b/reactos/dll/win32/oleaut32/oleaut32.spec
@@ -410,6 +410,8 @@
 439 stdcall VarUI8FromUI2(long ptr)
 440 stdcall VarUI8FromUI4(long ptr)
 441 stdcall VarUI8FromDec(long ptr)
+442 stdcall RegisterTypeLibForUser(ptr wstr wstr)
+443 stdcall UnRegisterTypeLibForUser(ptr long long long long)
 
 @ stdcall -private DllCanUnloadNow()
 @ stdcall -private DllGetClassObject(ptr ptr ptr)
diff --git a/reactos/dll/win32/oleaut32/typelib.c b/reactos/dll/win32/oleaut32/typelib.c
index 7fac0398955..46c0d284be0 100644
--- a/reactos/dll/win32/oleaut32/typelib.c
+++ b/reactos/dll/win32/oleaut32/typelib.c
@@ -903,6 +903,49 @@ end:
     return result;
 }
 
+/******************************************************************************
+ *		RegisterTypeLibForUser	[OLEAUT32.442]
+ * Adds information about a type library to the user registry
+ * NOTES
+ *    Docs: ITypeLib FAR * ptlib
+ *    Docs: OLECHAR FAR* szFullPath
+ *    Docs: OLECHAR FAR* szHelpDir
+ *
+ * RETURNS
+ *    Success: S_OK
+ *    Failure: Status
+ */
+HRESULT WINAPI RegisterTypeLibForUser(
+     ITypeLib * ptlib,     /* [in] Pointer to the library*/
+     OLECHAR * szFullPath, /* [in] full Path of the library*/
+     OLECHAR * szHelpDir)  /* [in] dir to the helpfile for the library,
+							 may be NULL*/
+{
+    FIXME("(%p, %s, %s) registering the typelib system-wide\n", ptlib,
+          debugstr_w(szFullPath), debugstr_w(szHelpDir));
+    return RegisterTypeLib(ptlib, szFullPath, szHelpDir);
+}
+
+/******************************************************************************
+ *	UnRegisterTypeLibForUser	[OLEAUT32.443]
+ * Removes information about a type library from the user registry
+ *
+ * RETURNS
+ *    Success: S_OK
+ *    Failure: Status
+ */
+HRESULT WINAPI UnRegisterTypeLibForUser(
+    REFGUID libid,	/* [in] GUID of the library */
+    WORD wVerMajor,	/* [in] major version */
+    WORD wVerMinor,	/* [in] minor version */
+    LCID lcid,	/* [in] locale id */
+    SYSKIND syskind)
+{
+    FIXME("(%s, %u, %u, %u, %u) unregistering the typelib system-wide\n",
+          debugstr_guid(libid), wVerMajor, wVerMinor, lcid, syskind);
+    return UnRegisterTypeLib(libid, wVerMajor, wVerMinor, lcid, syskind);
+}
+
 /*======================= ITypeLib implementation =======================*/
 
 typedef struct tagTLBCustData
@@ -6017,13 +6060,13 @@ static HRESULT WINAPI ITypeInfo_fnInvoke(
     unsigned int var_index;
     TYPEKIND type_kind;
     HRESULT hres;
-    const TLBFuncDesc *pFuncInfo = This->funclist;
+    const TLBFuncDesc *pFuncInfo;
 
     TRACE("(%p)(%p,id=%d,flags=0x%08x,%p,%p,%p,%p)\n",
       This,pIUnk,memid,wFlags,pDispParams,pVarResult,pExcepInfo,pArgErr
     );
 
-    if( pFuncInfo->funcdesc.wFuncFlags == FUNCFLAG_FRESTRICTED )
+    if( This->TypeAttr.wTypeFlags & TYPEFLAG_FRESTRICTED )
         return DISP_E_MEMBERNOTFOUND;
 
     if (!pDispParams)
@@ -6045,7 +6088,8 @@ static HRESULT WINAPI ITypeInfo_fnInvoke(
      * FUNCDESC for dispinterfaces and we want the real function description */
     for (pFuncInfo = This->funclist; pFuncInfo; pFuncInfo=pFuncInfo->next)
         if ((memid == pFuncInfo->funcdesc.memid) &&
-            (wFlags & pFuncInfo->funcdesc.invkind))
+            (wFlags & pFuncInfo->funcdesc.invkind) &&
+            (pFuncInfo->funcdesc.wFuncFlags & FUNCFLAG_FRESTRICTED) == 0)
             break;
 
     if (pFuncInfo) {
diff --git a/reactos/dll/win32/oleaut32/typelib2.c b/reactos/dll/win32/oleaut32/typelib2.c
index 1096ea8ada6..92d4ab036d6 100644
--- a/reactos/dll/win32/oleaut32/typelib2.c
+++ b/reactos/dll/win32/oleaut32/typelib2.c
@@ -317,7 +317,7 @@ static int ctl2_find_guid(
     while (offset != -1) {
 	guidentry = (MSFT_GuidEntry *)&This->typelib_segment_data[MSFT_SEG_GUID][offset];
 
-	if (!memcmp(guidentry, guid, sizeof(GUID))) return offset;
+        if (IsEqualGUID(guidentry, guid)) return offset;
 
 	offset = guidentry->next_hash;
     }
@@ -1695,7 +1695,7 @@ static HRESULT WINAPI ICreateTypeInfo2_fnAddRefTypeInfo(
         impinfo.oGuid = guid_offset;
         *phRefType = ctl2_alloc_importinfo(This->typelib, &impinfo)+1;
 
-        if(!memcmp(&guid.guid, &IID_IDispatch, sizeof(GUID)))
+        if(IsEqualGUID(&guid.guid, &IID_IDispatch))
             This->typelib->typelib_header.dispatchpos = *phRefType;
     }
 
@@ -2469,7 +2469,7 @@ static HRESULT WINAPI ICreateTypeInfo2_fnLayOut(
                 return hres;
             }
 
-            if(!memcmp(&typeattr->guid, &IID_IDispatch, sizeof(IDispatch)))
+            if(IsEqualGUID(&typeattr->guid, &IID_IDispatch))
                 This->typeinfo->flags |= TYPEFLAG_FDISPATCHABLE;
 
             This->typeinfo->datatype2 += (typeattr->cFuncs<<16) + 1;