diff --git a/fpicker/source/win32/filepicker/VistaFilePickerEventHandler.cxx b/fpicker/source/win32/filepicker/VistaFilePickerEventHandler.cxx
index 3f51aa9c765d..c44e4bd65b35 100644
--- a/fpicker/source/win32/filepicker/VistaFilePickerEventHandler.cxx
+++ b/fpicker/source/win32/filepicker/VistaFilePickerEventHandler.cxx
@@ -125,14 +125,14 @@ STDMETHODIMP VistaFilePickerEventHandler::OnFileOk(IFileDialog* /*pDialog*/)
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnFolderChanging(IFileDialog* pDialog,
-                                                           IShellItem*  pFolder)
+STDMETHODIMP VistaFilePickerEventHandler::OnFolderChanging(IFileDialog* /*pDialog*/,
+                                                           IShellItem*  /*pFolder*/)
 {
     return E_NOTIMPL;
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnFolderChange(IFileDialog* pDialog)
+STDMETHODIMP VistaFilePickerEventHandler::OnFolderChange(IFileDialog* /*pDialog*/)
 {
     impl_sendEvent(E_DIRECTORY_CHANGED, 0);
     return S_OK;
@@ -250,7 +250,7 @@ void lcl_updateVersionListDirectly(IFileDialog* pDialog)
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnSelectionChange(IFileDialog* pDialog)
+STDMETHODIMP VistaFilePickerEventHandler::OnSelectionChange(IFileDialog* /*pDialog*/)
 {
     impl_sendEvent(E_FILE_SELECTION_CHANGED, 0);
     //lcl_updateVersionListDirectly(pDialog);
@@ -258,16 +258,16 @@ STDMETHODIMP VistaFilePickerEventHandler::OnSelectionChange(IFileDialog* pDialog
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnShareViolation(IFileDialog*                 pDialog  ,
-                                                           IShellItem*                  pItem    ,
-                                                           FDE_SHAREVIOLATION_RESPONSE* pResponse)
+STDMETHODIMP VistaFilePickerEventHandler::OnShareViolation(IFileDialog*                 /*pDialog*/  ,
+                                                           IShellItem*                  /*pItem*/   ,
+                                                           FDE_SHAREVIOLATION_RESPONSE* /*pResponse*/)
 {
     impl_sendEvent(E_CONTROL_STATE_CHANGED, css::ui::dialogs::CommonFilePickerElementIds::LISTBOX_FILTER);
     return S_OK;
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnTypeChange(IFileDialog* pDialog)
+STDMETHODIMP VistaFilePickerEventHandler::OnTypeChange(IFileDialog* /*pDialog*/)
 {
     /*
     IFileDialogCustomize               *iCustomize;
@@ -299,32 +299,32 @@ STDMETHODIMP VistaFilePickerEventHandler::OnTypeChange(IFileDialog* pDialog)
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnOverwrite(IFileDialog*            pDialog  ,
-                                                      IShellItem*             pItem    ,
-                                                      FDE_OVERWRITE_RESPONSE* pResponse)
+STDMETHODIMP VistaFilePickerEventHandler::OnOverwrite(IFileDialog*            /*pDialog*/  ,
+                                                      IShellItem*             /*pItem*/    ,
+                                                      FDE_OVERWRITE_RESPONSE* /*pResponse*/)
 {
     return E_NOTIMPL;
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnItemSelected(IFileDialogCustomize* pCustomize,
+STDMETHODIMP VistaFilePickerEventHandler::OnItemSelected(IFileDialogCustomize* /*pCustomize*/,
                                                          DWORD                 nIDCtl    ,
-                                                         DWORD                 nIDItem   )
+                                                         DWORD                 /*nIDItem*/   )
 {
-    impl_sendEvent(E_CONTROL_STATE_CHANGED, nIDCtl);
+    impl_sendEvent(E_CONTROL_STATE_CHANGED, static_cast<sal_Int16>( nIDCtl ));
     return S_OK;
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnButtonClicked(IFileDialogCustomize* pCustomize,
+STDMETHODIMP VistaFilePickerEventHandler::OnButtonClicked(IFileDialogCustomize* /*pCustomize*/,
                                                           DWORD                 nIDCtl    )
 {
-    impl_sendEvent(E_CONTROL_STATE_CHANGED, nIDCtl);
+    impl_sendEvent(E_CONTROL_STATE_CHANGED, static_cast<sal_Int16>( nIDCtl));
     return S_OK;
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnCheckButtonToggled(IFileDialogCustomize* pCustomize,
+STDMETHODIMP VistaFilePickerEventHandler::OnCheckButtonToggled(IFileDialogCustomize* /*pCustomize*/,
                                                                DWORD                 nIDCtl    ,
                                                                BOOL                  bChecked  )
 {
@@ -353,15 +353,15 @@ STDMETHODIMP VistaFilePickerEventHandler::OnCheckButtonToggled(IFileDialogCustom
     if (nIDCtl == css::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION)
         m_pInternalNotify->onAutoExtensionChanged(bChecked);
 
-    impl_sendEvent(E_CONTROL_STATE_CHANGED, nIDCtl);
+    impl_sendEvent(E_CONTROL_STATE_CHANGED, static_cast<sal_Int16>( nIDCtl));
     return S_OK;
 }
 
 //-----------------------------------------------------------------------------------------
-STDMETHODIMP VistaFilePickerEventHandler::OnControlActivating(IFileDialogCustomize* pCustomize,
+STDMETHODIMP VistaFilePickerEventHandler::OnControlActivating(IFileDialogCustomize* /*pCustomize*/,
                                                               DWORD                 nIDCtl    )
 {
-    impl_sendEvent(E_CONTROL_STATE_CHANGED, nIDCtl);
+    impl_sendEvent(E_CONTROL_STATE_CHANGED, static_cast<sal_Int16>( nIDCtl));
     return S_OK;
 }
 
diff --git a/sfx2/source/appl/shutdownicon.cxx b/sfx2/source/appl/shutdownicon.cxx
index 1d85552e47ae..3fce25e7e0d6 100644
--- a/sfx2/source/appl/shutdownicon.cxx
+++ b/sfx2/source/appl/shutdownicon.cxx
@@ -33,6 +33,7 @@
 #include <sfx2/app.hxx>
 #include <vos/mutex.hxx>
 #include <svtools/imagemgr.hxx>
+#include <svtools/miscopt.hxx>
 // #include <cmdlineargs.hxx>
 #include <com/sun/star/task/XInteractionHandler.hpp>
 #include <com/sun/star/frame/XDispatchResultListener.hpp>
@@ -235,6 +236,7 @@ ShutdownIcon::ShutdownIcon( Reference< XMultiServiceFactory > aSMgr ) :
     ShutdownIconServiceBase( m_aMutex ),
     m_bVeto ( false ),
     m_bListenForTermination ( false ),
+    m_bSystemDialogs( false ),
     m_pResMgr( NULL ),
     m_pFileDlg( NULL ),
     m_xServiceManager( aSMgr ),
@@ -243,6 +245,7 @@ ShutdownIcon::ShutdownIcon( Reference< XMultiServiceFactory > aSMgr ) :
     m_pPlugin( 0 ),
     m_bInitialized( false )
 {
+    m_bSystemDialogs = SvtMiscOptions().UseSystemFileDialog();
 }
 
 ShutdownIcon::~ShutdownIcon()
@@ -376,6 +379,16 @@ void ShutdownIcon::StartFileDialog()
 {
     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 
+    bool bDirty = ( m_bSystemDialogs != static_cast<bool>(SvtMiscOptions().UseSystemFileDialog()) );
+
+    if ( m_pFileDlg && bDirty )
+    {
+        // Destroy instance as changing the system file dialog setting
+        // forces us to create a new FileDialogHelper instance!
+        delete m_pFileDlg;
+        m_pFileDlg = NULL;
+    }
+
     if ( !m_pFileDlg )
         m_pFileDlg = new FileDialogHelper( WB_OPEN | SFXWB_MULTISELECTION, String() );
     m_pFileDlg->StartExecuteModal( STATIC_LINK( this, ShutdownIcon, DialogClosedHdl_Impl ) );
@@ -512,8 +525,14 @@ IMPL_STATIC_LINK( ShutdownIcon, DialogClosedHdl_Impl, FileDialogHelper*, EMPTYAR
 
 #ifdef WNT
     // #103346 Destroy dialog to prevent problems with custom controls
-    delete pThis->m_pFileDlg;
-    pThis->m_pFileDlg = NULL;
+    // This fix is dependent on the dialog settings. Destroying the dialog here will
+    // crash the non-native dialog implementation! Therefore make this dependent on
+    // the settings.
+    if ( SvtMiscOptions().UseSystemFileDialog() )
+    {
+        delete pThis->m_pFileDlg;
+        pThis->m_pFileDlg = NULL;
+    }
 #endif
 
     LeaveModalMode();
diff --git a/sfx2/source/appl/shutdownicon.hxx b/sfx2/source/appl/shutdownicon.hxx
index 4e7cc6ecc247..d702f2a50977 100644
--- a/sfx2/source/appl/shutdownicon.hxx
+++ b/sfx2/source/appl/shutdownicon.hxx
@@ -52,6 +52,7 @@ class SFX2_DLLPUBLIC ShutdownIcon : public ShutdownIconServiceBase
         ::osl::Mutex            m_aMutex;
         bool                    m_bVeto;
         bool                    m_bListenForTermination;
+        bool                    m_bSystemDialogs;
         ResMgr*                 m_pResMgr;
         sfx2::FileDialogHelper* m_pFileDlg;
         ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xServiceManager;