Index: /trunk/src/VBox/Main/src-all/ExtPackManagerImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-all/ExtPackManagerImpl.cpp	(revision 35867)
+++ /trunk/src/VBox/Main/src-all/ExtPackManagerImpl.cpp	(revision 35868)
@@ -645,5 +645,5 @@
                 pJob = new EXTPACKINSTALLJOB;
                 pJob->ptrExtPackFile    = this;
-                pJob->fReplace          = a_fReplace;
+                pJob->fReplace          = a_fReplace ? true : false;
                 pJob->strDisplayInfo    = a_bstrDisplayInfo;
                 pJob->ptrExtPackMgr     = m->ptrExtPackMgr;