diff --git a/code/nel/tools/3d/object_viewer_qt/src/camera_control.cpp b/code/nel/tools/3d/object_viewer_qt/src/camera_control.cpp
index 72b04129e..916158cc6 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/camera_control.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/camera_control.cpp
@@ -183,7 +183,7 @@ CCameraControl::CCameraControl(QWidget *parent)
 
 CCameraControl::~CCameraControl()
 {
-	for(int i = 0; i < _cameraList.size(); ++i)
+	for(size_t i = 0; i < _cameraList.size(); ++i)
 		delete _cameraList[i];
 	_cameraList.clear();
 }
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h
index 18605f133..4874d6b47 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h
@@ -23,16 +23,17 @@
 #include <QtCore/QList>
 #include <QtCore/QObject>
 #include <QtCore/QStringList>
+#include <QtCore/QSettings>
 
 namespace ExtensionSystem
 {
 class IPluginSpec;
 
 /**
-@interface IPluginManager
-@brief Interface for plugin system that manages the plugins, their life cycle and their registered objects.
-@details The plugin manager is used for the following tasks:
-- Manage plugins and their state
+@interface IPluginManager
+@brief Interface for plugin system that manages the plugins, their life cycle and their registered objects.
+@details The plugin manager is used for the following tasks:
+- Manage plugins and their state
 - Manipulate a 'common object pool'
 */
 class IPluginManager: public QObject
@@ -53,6 +54,10 @@ public:
 	virtual QStringList getPluginPaths() const = 0;
 	virtual void setPluginPaths(const QStringList &paths) = 0;
 	virtual QList<ExtensionSystem::IPluginSpec *> plugins() const = 0;
+
+	// Settings
+    virtual void setSettings(QSettings *settings) = 0;
+    virtual QSettings *settings() const = 0;
 
 Q_SIGNALS:
 	void objectAdded(QObject *obj);
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp
index d400cc6aa..b6e70fdf5 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp
@@ -28,14 +28,16 @@
 namespace ExtensionSystem
 {
 
-CPluginManager::CPluginManager(QObject *parent):
-	IPluginManager(parent)
+CPluginManager::CPluginManager(QObject *parent)
+	:IPluginManager(parent),
+	 _settings(0)
 {
 }
 
 CPluginManager::~CPluginManager()
 {
 	stopAll();
+	deleteAll();
 	qDeleteAll(_pluginSpecs);
 }
 
@@ -92,8 +94,10 @@ void CPluginManager::loadPlugins()
 	Q_FOREACH (CPluginSpec *spec, _pluginSpecs)
 	setPluginState(spec, State::Initialized);
 
-	Q_FOREACH (CPluginSpec *spec, _pluginSpecs)
-	setPluginState(spec, State::Running);
+	QListIterator<CPluginSpec *> it(_pluginSpecs);
+    it.toBack();
+    while (it.hasPrevious())
+		setPluginState(it.previous(), State::Running);
 
 	Q_EMIT pluginsChanged();
 }
@@ -114,6 +118,24 @@ QList<IPluginSpec *> CPluginManager::plugins() const
 	return _ipluginSpecs;
 }
 
+void CPluginManager::setSettings(QSettings *settings)
+{
+	_settings = settings;
+}
+
+QSettings *CPluginManager::settings() const
+{
+	return _settings;
+}
+
+void CPluginManager::readSettings()
+{
+}
+
+void CPluginManager::writeSettings()
+{
+}
+
 void CPluginManager::readPluginPaths()
 {
 	qDeleteAll(_pluginSpecs);
@@ -176,9 +198,16 @@ void CPluginManager::stopAll()
 {
 	Q_FOREACH (CPluginSpec *spec, _pluginSpecs)
 	setPluginState(spec, State::Stopped);
+}
 
-	Q_FOREACH (CPluginSpec *spec, _pluginSpecs)
-	setPluginState(spec, State::Deleted);
+void CPluginManager::deleteAll()
+{
+    QListIterator<CPluginSpec *> it(_pluginSpecs);
+    it.toBack();
+    while (it.hasPrevious())
+	{
+        setPluginState(it.previous(), State::Deleted);
+    }
 }
 
 }; // namespace NLQT
\ No newline at end of file
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h
index 39e1044c0..eeef76836 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h
@@ -50,14 +50,22 @@ public:
 	virtual QStringList getPluginPaths() const;
 	virtual void setPluginPaths(const QStringList &paths);
 	virtual QList<IPluginSpec *> plugins() const;
+
+	// Settings
+    virtual void setSettings(QSettings *settings);
+    virtual QSettings *settings() const;
+    void readSettings();
+    void writeSettings();
 
 private:
 	void setPluginState(CPluginSpec *spec, int destState);
 	void readPluginPaths();
 	void stopAll();
+	void deleteAll();
 
 	mutable QReadWriteLock _lock;
 
+	QSettings *_settings;
 	QList<CPluginSpec *> _pluginSpecs;
 	QList<IPluginSpec *> _ipluginSpecs;
 	QStringList _pluginPaths;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/main.cpp b/code/nel/tools/3d/object_viewer_qt/src/main.cpp
index e0671f478..b97e07c0a 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/main.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/main.cpp
@@ -21,6 +21,7 @@
 
 // Qt includes
 #include <QtCore/QDir>
+#include <QtCore/QSettings>
 #include <QtGui/QMessageBox>
 #include <QtGui/QApplication>
 #include <QtGui/QSplashScreen>
@@ -112,11 +113,14 @@ sint main(int argc, char **argv)
 
 #if defined(NL_OS_MAC)
 	QDir::setCurrent(qApp->applicationDirPath() + QString("/../Resources"));
-	CLibrary::addLibPath(
-		(qApp->applicationDirPath() + QString("/../PlugIns/nel")).toStdString());
+	CLibrary::addLibPath((qApp->applicationDirPath() + QString("/../PlugIns/nel")).toStdString());
 #endif
 
 	Modules::init();
+	QSettings *settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, 
+										QLatin1String("Ryzom Core"), QLatin1String("ObjectViewerQt"));
+	
+	Modules::plugMan().setSettings(settings);
 
 	// load and set remap extensions from config
 	Modules::config().configRemapExtensions();
@@ -129,21 +133,20 @@ sint main(int argc, char **argv)
 #if !defined(NL_OS_MAC)
 	Modules::plugMan().setPluginPaths(QStringList() << QString("./plugins"));
 #else
-	Modules::plugMan().setPluginPaths(QStringList() << 
-		qApp->applicationDirPath() + QString("/../PlugIns/ovqt"));
+	Modules::plugMan().setPluginPaths(QStringList() <<
+									  qApp->applicationDirPath() + QString("/../PlugIns/ovqt"));
 #endif
 
 	Modules::plugMan().loadPlugins();
-	
+
 	QStringList errors;
 	Q_FOREACH (ExtensionSystem::IPluginSpec *spec, Modules::plugMan().plugins())
-		if (spec->hasError())
-			errors.append(spec->fileName() + " : " + spec->errorString());
-	
+	if (spec->hasError())
+		errors.append(spec->fileName() + " : " + spec->errorString());
+
 	if (!errors.isEmpty())
-		QMessageBox::warning(0,
-				QCoreApplication::translate("Application", "Object Viewer Qt - Plugin loader messages"),
-				errors.join(QString::fromLatin1("\n\n")));
+		QMessageBox::warning(0, QCoreApplication::translate("Application", "Object Viewer Qt - Plugin loader messages"),
+							 errors.join(QString::fromLatin1("\n\n")));
 
 	splash->finish(&Modules::mainWin());
 	int result = app.exec();
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
index 40ced76e5..fc30b3ce3 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
@@ -40,59 +40,64 @@ bool CorePlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QStr
 {
 	Q_UNUSED(errorString);
 	_plugMan = pluginManager;
-	// for old ovqt
-	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
-	if (!wnd)
-	{
-		*errorString = tr("Not found QMainWindow Object Viewer Qt.");
-		return false;
-	}
+	oldOVQT = false;
 
-	_plugMan->addObject(new CSearchPathsSettingsPage(wnd));
+	_plugMan->addObject(new CSearchPathsSettingsPage(this));
 	return true;
 }
 
 void CorePlugin::extensionsInitialized()
 {
-	// for old ovqt
 	_pluginView = new ExtensionSystem::CPluginView(_plugMan);
-
-	QMenu *toolsMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Tools"));
-	QMenu *helpMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Help"));
-	nlassert(toolsMenu);
-	nlassert(helpMenu);
-
-	QAction *newAction = toolsMenu->addAction(tr("New settings"));
-	QAction *newAction2 = helpMenu->addAction(tr("About plugins"));
-	newAction->setIcon(QIcon(Constants::ICON_SETTINGS));
-
-	connect(newAction, SIGNAL(triggered()), this, SLOT(execSettings()));
-	connect(newAction2, SIGNAL(triggered()), _pluginView, SLOT(show()));
-
-	_mainWindow = new CMainWindow(_plugMan);
-#ifdef Q_WS_X11
-	_mainWindow->setAttribute(Qt::WA_TranslucentBackground);
-	_mainWindow->setAttribute(Qt::WA_NoSystemBackground, false);
-	QPalette pal = _mainWindow->palette();
-	QColor bg = pal.window().color();
-	bg.setAlpha(180);
-	pal.setColor(QPalette::Window, bg);
-	_mainWindow->setPalette(pal);
-	_mainWindow->ensurePolished(); // workaround Oxygen filling the background
-	_mainWindow->setAttribute(Qt::WA_StyledBackground, false);
-#endif
-	if (QtWin::isCompositionEnabled())
+	
+	// for old ovqt
+	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
+	if (wnd)
 	{
-		QtWin::extendFrameIntoClientArea(_mainWindow);
-		_mainWindow->setContentsMargins(0, 0, 0, 0);
+		_pluginView = new ExtensionSystem::CPluginView(_plugMan);
+		QMenu *toolsMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Tools"));
+		QMenu *helpMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Help"));
+		nlassert(toolsMenu);
+		nlassert(helpMenu);
+
+		QAction *newAction = toolsMenu->addAction(tr("New settings"));
+		QAction *newAction2 = helpMenu->addAction(tr("About plugins"));
+		newAction->setIcon(QIcon(Constants::ICON_SETTINGS));
+		
+		connect(newAction, SIGNAL(triggered()), this, SLOT(execSettings()));
+		connect(newAction2, SIGNAL(triggered()), _pluginView, SLOT(show()));
+		oldOVQT = true;
+	}
+	else
+	{
+		_mainWindow = new CMainWindow(_plugMan);
+#ifdef Q_WS_X11
+		_mainWindow->setAttribute(Qt::WA_TranslucentBackground);
+		_mainWindow->setAttribute(Qt::WA_NoSystemBackground, false);
+		QPalette pal = _mainWindow->palette();
+		QColor bg = pal.window().color();
+		bg.setAlpha(180);
+		pal.setColor(QPalette::Window, bg);
+		_mainWindow->setPalette(pal);
+		_mainWindow->ensurePolished(); // workaround Oxygen filling the background
+		_mainWindow->setAttribute(Qt::WA_StyledBackground, false);
+#endif
+		if (QtWin::isCompositionEnabled())
+		{
+			QtWin::extendFrameIntoClientArea(_mainWindow);
+			_mainWindow->setContentsMargins(0, 0, 0, 0);
+		}
+		_mainWindow->show();
 	}
-	_mainWindow->show();
 }
 
 void CorePlugin::shutdown()
 {
-	delete _mainWindow;
-	delete _pluginView;
+	if (!oldOVQT)
+	{	
+		delete _mainWindow;
+		delete _pluginView;
+	}
 }
 
 void CorePlugin::execSettings()
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
index 1092bacaf..252b6549a 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
@@ -58,6 +58,21 @@ public:
 
 	QObject *objectByName(const QString &name) const;
 	ExtensionSystem::IPluginSpec *pluginByName(const QString &name) const;
+	ExtensionSystem::IPluginManager *pluginManager() const { return _plugMan; }
+
+	template <typename Type>
+	QList<Type *> getObjects() const
+	{
+		QList<QObject *> all = _plugMan->allObjects();
+		QList<Type *> objects;
+		Q_FOREACH(QObject *obj, all)
+		{
+			Type *typeObj = qobject_cast<Type *>(obj);
+			if (typeObj)
+				objects.append(typeObj);
+		}
+		return objects;
+	}
 
 protected:
 	NLMISC::CLibraryContext *_LibContext;
@@ -69,6 +84,8 @@ private:
 	ExtensionSystem::IPluginManager *_plugMan;
 	ExtensionSystem::CPluginView *_pluginView;
 	CMainWindow *_mainWindow;
+
+	bool oldOVQT;
 };
 
 } // namespace Core
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
index fe75db99c..b077b25c2 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
@@ -96,6 +96,11 @@ void CMainWindow::about()
 						  "<p> Author: dnk-88 <p>Compiled on %1 %2").arg(__DATE__).arg(__TIME__));
 }
 
+void CMainWindow::closeEvent(QCloseEvent *event)
+{
+	QMainWindow::closeEvent(event);
+}
+
 void CMainWindow::createActions()
 {
 	_openAction = new QAction(tr("&Open..."), this);
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
index 517da92d2..3f2555d82 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
@@ -50,6 +50,8 @@ private Q_SLOTS:
 						   const QString &page = QString(),
 						   QWidget *parent = 0);
 	void about();
+protected:
+	virtual void closeEvent(QCloseEvent *event);
 
 private:
 	void createActions();
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.ui b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.ui
index 469846d02..f0d08e40b 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.ui
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.ui
@@ -15,7 +15,7 @@
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <property name="margin">
-    <number>9</number>
+    <number>0</number>
    </property>
    <item row="0" column="0">
     <widget class="QGroupBox" name="searchPathsGroupBox">
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.ui b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.ui
index 224a783fa..b839d98ce 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.ui
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.ui
@@ -14,6 +14,9 @@
    <string>Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
+   <property name="margin">
+    <number>0</number>
+   </property>
    <item row="0" column="0" colspan="2">
     <widget class="QGroupBox" name="groupBox">
      <property name="title">
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp
index a93a8b95c..b77be4892 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp
@@ -24,42 +24,13 @@ bool MyPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QStrin
 	Q_UNUSED(errorString);
 	_plugMan = pluginManager;
 
-	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
-	_plugMan->addObject(new CExampleSettingsPage(wnd));
-	if (!wnd)
-	{
-		*errorString = tr("Not found QMainWindow Object Viewer Qt.");
-		return false;
-	}
-	QMenu *helpMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Tools"));
-	if (!helpMenu)
-	{
-		*errorString = tr("Not found QMenu Help.");
-		return false;
-	}
-	_plugMan->addObject(new CExampleAppPage());
+	_plugMan->addObject(new CExampleSettingsPage(this));
+	_plugMan->addObject(new CExampleAppPage(this));
 	return true;
 }
 
 void MyPlugin::extensionsInitialized()
 {
-	QMenu *helpMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Help"));
-	nlassert(helpMenu);
-
-	helpMenu->addSeparator();
-	QAction *newAction = helpMenu->addAction("MyPlugin");
-
-	connect(newAction, SIGNAL(triggered()), this, SLOT(execMessageBox()));
-}
-
-void MyPlugin::execMessageBox()
-{
-	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
-	nlassert(wnd);
-
-	QMessageBox msgBox;
-	msgBox.setText(wnd->objectName() + QString(": width=%1,height=%2").arg(wnd->width()).arg(wnd->height()));
-	msgBox.exec();
 }
 
 void MyPlugin::setNelContext(NLMISC::INelContext *nelContext)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h
index 291d3238f..8c582f96a 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h
@@ -46,9 +46,6 @@ public:
 	QObject *objectByName(const QString &name) const;
 	ExtensionSystem::IPluginSpec *pluginByName(const QString &name) const;
 
-private Q_SLOTS:
-	void execMessageBox();
-
 protected:
 	NLMISC::CLibraryContext *_LibContext;