diff --git a/app/ModulesHandle.cpp b/app/ModulesHandle.cpp
index 45fcd8f..b407121 100644
--- a/app/ModulesHandle.cpp
+++ b/app/ModulesHandle.cpp
@@ -425,6 +425,14 @@ Bool ModulesHandle::applyModuleIf( PlaYUVerAppModuleIf *pcCurrModuleIf, Bool isP
 {
   Bool bRet = false;
   QApplication::setOverrideCursor( Qt::WaitCursor );
+  if( pcCurrModuleIf->m_pcDisplaySubWindow )
+  {
+    pcCurrModuleIf->m_pcDisplaySubWindow->setFillWindow( true );
+  }
+  else
+  {
+    pcCurrModuleIf->m_pcSubWindow[0]->setFillWindow( true );
+  }
   if( !( isPlaying && ( pcCurrModuleIf->m_pcModule->m_uiModuleRequirements & MODULE_REQUIRES_SKIP_WHILE_PLAY ) ) )
   {
 #ifdef PLAYUVER_THREADED_MODULES
@@ -535,11 +543,13 @@ Void ModulesHandle::showModuleIf( PlaYUVerAppModuleIf *pcCurrModuleIf )
     if( pcCurrModuleIf->m_pcDisplaySubWindow )
     {
       pcCurrModuleIf->m_pcDisplaySubWindow->setCurrFrame( pcCurrModuleIf->m_pcProcessedFrame );
+      pcCurrModuleIf->m_pcDisplaySubWindow->setFillWindow( false );
       pcCurrModuleIf->m_pcDisplaySubWindow->clearWindowBusy();
     }
     else
     {
       pcCurrModuleIf->m_pcSubWindow[0]->setCurrFrame( pcCurrModuleIf->m_pcProcessedFrame );
+      pcCurrModuleIf->m_pcSubWindow[0]->setFillWindow( false );
       pcCurrModuleIf->m_pcSubWindow[0]->clearWindowBusy();
     }
     break;
diff --git a/app/PlaYUVerSubWindowHandle.cpp b/app/PlaYUVerSubWindowHandle.cpp
index 1f31a0a..6fc6399 100644
--- a/app/PlaYUVerSubWindowHandle.cpp
+++ b/app/PlaYUVerSubWindowHandle.cpp
@@ -116,6 +116,7 @@ Void PlaYUVerSubWindowHandle::resetWindowMode()
     m_apcMdiSubWindowList.clear();
     if( m_pcMdiArea )
       delete m_pcMdiArea;
+    m_pcMdiArea = NULL;
     if( m_pcWindowManagerLayout )
       delete m_pcWindowManagerLayout;
 
diff --git a/app/VideoSubWindow.cpp b/app/VideoSubWindow.cpp
index d14a32a..7b1ca90 100644
--- a/app/VideoSubWindow.cpp
+++ b/app/VideoSubWindow.cpp
@@ -93,13 +93,17 @@ class VideoInformation: public QWidget
 private:
   QList<QStaticText> m_cTopLeftTextList;
   QFont m_cTopLeftTextFont;
+  QFont m_cCenterTextFont;
+  Bool m_bBusyWindow;
 public:
   VideoInformation( QWidget *parent ) :
-          QWidget( parent )
+          QWidget( parent ),
+          m_bBusyWindow( false )
   {
     setPalette( Qt::transparent );
     setAttribute( Qt::WA_TransparentForMouseEvents );
     m_cTopLeftTextFont.setPointSize( 8 );
+    m_cCenterTextFont.setPointSize( 12 );
   }
   Void setInformationTopLeft( const QStringList& textLines )
   {
@@ -109,6 +113,10 @@ public:
       m_cTopLeftTextList.append( textLines.at( i ) );
     }
   }
+  Void setBusyWindow( Bool bFlag )
+  {
+    m_bBusyWindow = bFlag;
+  }
 protected:
   void paintEvent( QPaintEvent *event )
   {
@@ -123,6 +131,12 @@ protected:
         topLeftCorner += QPoint( 0, 15 );
       }
     }
+    if( m_bBusyWindow )
+    {
+      painter.setFont( m_cCenterTextFont );
+      painter.drawText( rect(), Qt::AlignHCenter | Qt::AlignVCenter, QStringLiteral( "Refreshing..." ) );
+      painter.fillRect( rect(), QBrush( QColor::fromRgb( 255, 255, 255, 50 ), Qt::SolidPattern ) );
+    }
   }
 };
 
@@ -165,6 +179,10 @@ VideoSubWindow::VideoSubWindow( enum VideoSubWindowCategories category, QWidget
 
   m_apcCurrentModule.clear();
 
+  m_pcUpdateTimer = new QTimer();
+  m_pcUpdateTimer->setInterval( 800 );
+  connect( m_pcUpdateTimer, SIGNAL( timeout() ), this, SLOT( updateWindowOnTimeout() ) );
+
   //! Add video information
   m_pcVideoInfo = new VideoInformation( this );
 }
@@ -493,6 +511,10 @@ Void VideoSubWindow::associateModule( PlaYUVerAppModuleIf* pcModule )
   m_apcCurrentModule.append( pcModule );
 }
 
+Void VideoSubWindow::setFillWindow( Bool bFlag )
+{
+  m_pcVideoInfo->setBusyWindow( bFlag );
+}
 Void VideoSubWindow::setCurrFrame( PlaYUVerFrame* pcCurrFrame )
 {
 // if( m_pcCurrFrame )
@@ -871,6 +893,10 @@ QSize VideoSubWindow::sizeHint( const QSize & maxSize ) const
   return isize;
 }
 
+Void VideoSubWindow::updateWindowOnTimeout()
+{
+  m_pcVideoInfo->update();
+}
 Void VideoSubWindow::resizeEvent( QResizeEvent* event )
 {
   m_pcVideoInfo->resize( event->size() );
diff --git a/app/VideoSubWindow.h b/app/VideoSubWindow.h
index 1a86bd5..d51ee5c 100644
--- a/app/VideoSubWindow.h
+++ b/app/VideoSubWindow.h
@@ -95,6 +95,7 @@ private:
 
   Bool m_bIsPlaying;
 
+  QTimer* m_pcUpdateTimer;
   /**
    * Threads variables
    * QtConcurrent
@@ -257,11 +258,14 @@ public:
     m_bWindowBusy = false;
   }
 
+  Void setFillWindow( Bool bFlag );
+
 protected:
   Void resizeEvent( QResizeEvent* event );
   //void closeEvent( QCloseEvent *event );
 
 public Q_SLOTS:
+  void updateWindowOnTimeout();
   void adjustScrollBarByScale( double scale, QPoint center );
   void adjustScrollBarByOffset( QPoint Offset );
   void updateCurScrollValues();