diff --git a/Modules/Bundles/org.mitk.gui.qt.igttrackingtoolbox/src/internal/QmitkMITKIGTTrackingToolboxView.cpp b/Modules/Bundles/org.mitk.gui.qt.igttrackingtoolbox/src/internal/QmitkMITKIGTTrackingToolboxView.cpp
index 64cdde6d6d..e97d9f8c1b 100644
--- a/Modules/Bundles/org.mitk.gui.qt.igttrackingtoolbox/src/internal/QmitkMITKIGTTrackingToolboxView.cpp
+++ b/Modules/Bundles/org.mitk.gui.qt.igttrackingtoolbox/src/internal/QmitkMITKIGTTrackingToolboxView.cpp
@@ -1,230 +1,241 @@
 /*=========================================================================
 
 Program:   Medical Imaging & Interaction Toolkit
 Language:  C++
 Date:      $Date$
 Version:   $Revision$ 
  
 Copyright (c) German Cancer Research Center, Division of Medical and
 Biological Informatics. All rights reserved.
 See MITKCopyright.txt or http://www.mitk.org/copyright.html for details.
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
 
 // Blueberry
 #include <berryISelectionService.h>
 #include <berryIWorkbenchWindow.h>
 
 // Qmitk
 #include "QmitkMITKIGTTrackingToolboxView.h"
 #include "QmitkStdMultiWidget.h"
 
 // Qt
 #include <QMessageBox>
 #include <qfiledialog.h>
 
 // MITK
 #include <mitkNavigationToolStorageDeserializer.h>
 #include <mitkTrackingDeviceSourceConfigurator.h>
 
 
 
 const std::string QmitkMITKIGTTrackingToolboxView::VIEW_ID = "org.mitk.views.mitkigttrackingtoolbox";
 
 QmitkMITKIGTTrackingToolboxView::QmitkMITKIGTTrackingToolboxView()
 : QmitkFunctionality()
 , m_Controls( 0 )
 , m_MultiWidget( NULL )
 {
   m_TrackingTimer = new QTimer(this);	
   m_tracking = false;
   m_logging = false;
 }
 
 QmitkMITKIGTTrackingToolboxView::~QmitkMITKIGTTrackingToolboxView()
 {
   
 }
 
 
 void QmitkMITKIGTTrackingToolboxView::CreateQtPartControl( QWidget *parent )
 {
   // build up qt view, unless already done
   if ( !m_Controls )
   {
     // create GUI widgets from the Qt Designer's .ui file
     m_Controls = new Ui::QmitkMITKIGTTrackingToolboxViewControls;
     m_Controls->setupUi( parent );
  
     //create connections
     connect( m_Controls->m_LoadTools, SIGNAL(clicked()), this, SLOT(OnLoadTools()) );
     connect( m_Controls->m_StartTracking, SIGNAL(clicked()), this, SLOT(OnStartTracking()) );
     connect( m_Controls->m_StopTracking, SIGNAL(clicked()), this, SLOT(OnStopTracking()) );
     connect( m_TrackingTimer, SIGNAL(timeout()), this, SLOT(UpdateTrackingTimer()));
     connect( m_Controls->m_EnableLogging, SIGNAL(clicked()), this, SLOT(OnEnableLoggingClicked()));
     connect( m_Controls->m_ChooseFile, SIGNAL(clicked()), this, SLOT(OnChooseFileClicked()));
 
     //initialize widgets
     m_Controls->m_configurationWidget->EnableAdvancedUserControl(false);
     m_Controls->m_TrackingToolsStatusWidget->SetShowPositions(true);
     m_Controls->m_TrackingToolsStatusWidget->SetTextAlignment(Qt::AlignLeft);
   }
 }
 
 
 void QmitkMITKIGTTrackingToolboxView::StdMultiWidgetAvailable (QmitkStdMultiWidget &stdMultiWidget)
 {
   m_MultiWidget = &stdMultiWidget;
 }
 
 
 void QmitkMITKIGTTrackingToolboxView::StdMultiWidgetNotAvailable()
 {
   m_MultiWidget = NULL;
 }
 
 void QmitkMITKIGTTrackingToolboxView::OnLoadTools()
 {
   //read in filename
   QString filename = QFileDialog::getOpenFileName(NULL,tr("Open Toolfile"), "/", tr("All Files (*.*)")); //later perhaps: tr("Toolfile (*.tfl)"
   if (filename.isNull()) return;
   
   //initialize tool storage
   m_toolStorage = mitk::NavigationToolStorage::New();
   
   //read tool storage from disk
   mitk::NavigationToolStorageDeserializer::Pointer myDeserializer = mitk::NavigationToolStorageDeserializer::New(GetDataStorage());
   m_toolStorage = myDeserializer->Deserialize(filename.toStdString());
   if (m_toolStorage.IsNull()) 
 	{
 	MessageBox(myDeserializer->GetErrorMessage());
 	m_toolStorage = NULL;
 	return;
   }
 
   //update label
   Poco::Path myPath = Poco::Path(filename.toStdString()); //use this to seperate filename from path
   QString toolLabel = QString("Loaded Tools: ") + QString::number(m_toolStorage->GetToolCount()) + " Tools from " + myPath.getFileName().c_str();
   m_Controls->m_toolLabel->setText(toolLabel);
 
   //update tool preview
+  m_Controls->m_TrackingToolsStatusWidget->RemoveStatusLabels();
   m_Controls->m_TrackingToolsStatusWidget->PreShowTools(m_toolStorage);
 }
 
 void QmitkMITKIGTTrackingToolboxView::OnStartTracking()
 {
 //check if everything is ready to start tracking
 if (this->m_toolStorage.IsNull())
   {
   MessageBox("Error: No Tools Loaded Yet!");
   return;
   }
 else if (this->m_toolStorage->GetToolCount() == 0)
   {
   MessageBox("Error: No Way To Track Without Tools!");
   return;
   }
 
 //build the IGT pipeline
 mitk::TrackingDeviceSourceConfigurator::Pointer myTrackingDeviceSourceFactory = mitk::TrackingDeviceSourceConfigurator::New(this->m_toolStorage,this->m_Controls->m_configurationWidget->GetTrackingDevice());
 m_TrackingDeviceSource = myTrackingDeviceSourceFactory->CreateTrackingDeviceSource(this->m_ToolVisualizationFilter);
 if (m_TrackingDeviceSource.IsNull()) 
   {
   MessageBox(myTrackingDeviceSourceFactory->GetErrorMessage());
   return;
   }
-std::cout << "Number of Outputs" << m_TrackingDeviceSource->GetNumberOfOutputs();
-for(int i=0; i<m_TrackingDeviceSource->GetNumberOfOutputs(); i++) //connect the tool visualization widget
-  {
-    m_Controls->m_TrackingToolsStatusWidget->AddNavigationData(m_TrackingDeviceSource->GetOutput(i));
-  }
 
-m_Controls->m_TrackingToolsStatusWidget->ShowStatusLabels();
 
 //set configuration finished
 this->m_Controls->m_configurationWidget->ConfigurationFinished();
 
 //initialize tracking
-m_TrackingDeviceSource->Connect();
-m_TrackingDeviceSource->StartTracking();
+try 
+  {
+  m_TrackingDeviceSource->Connect();
+  m_TrackingDeviceSource->StartTracking();
+  }
+catch (...)
+  {
+  MessageBox("Error while starting the tracking device!");
+  return;
+  }
 m_TrackingTimer->start(100);
 m_Controls->m_TrackingControlLabel->setText("Status: tracking");
 
 //start logging if logging is on
 if (this->m_Controls->m_EnableLogging->isChecked()) StartLogging();
 
+//connect the tool visualization widget
+for(int i=0; i<m_TrackingDeviceSource->GetNumberOfOutputs(); i++) 
+  {
+    m_Controls->m_TrackingToolsStatusWidget->AddNavigationData(m_TrackingDeviceSource->GetOutput(i));
+  }
+m_Controls->m_TrackingToolsStatusWidget->ShowStatusLabels();
+
+//disable loading new tools
 this->m_Controls->m_LoadTools->setEnabled(false);
 
 m_tracking = true;
 }
 
 void QmitkMITKIGTTrackingToolboxView::OnStopTracking()
 {
 if (!m_tracking) return;
 m_TrackingTimer->stop();
 m_TrackingDeviceSource->StopTracking();
 m_TrackingDeviceSource->Disconnect();
 this->m_Controls->m_configurationWidget->Reset();
 m_Controls->m_TrackingControlLabel->setText("Status: stopped");
 if (m_logging) StopLogging();
 this->m_Controls->m_LoadTools->setEnabled(true);
 m_Controls->m_TrackingToolsStatusWidget->RemoveStatusLabels();
 m_Controls->m_TrackingToolsStatusWidget->PreShowTools(m_toolStorage);
 }
 
 void QmitkMITKIGTTrackingToolboxView::MessageBox(std::string s)
   {
   QMessageBox msgBox;
   msgBox.setText(s.c_str());
   msgBox.exec();
   }
 
 void QmitkMITKIGTTrackingToolboxView::UpdateTrackingTimer()
   {
   m_ToolVisualizationFilter->Update();
   //std::cout << "Position" << m_ToolVisualizationFilter->GetOutput(0)->GetPosition() << std::endl;
   mitk::RenderingManager::GetInstance()->RequestUpdateAll();
   if (m_logging) this->m_loggingFilter->Update();
   m_Controls->m_TrackingToolsStatusWidget->Refresh();
   }
 
 void QmitkMITKIGTTrackingToolboxView::OnEnableLoggingClicked()
   {
   if (this->m_tracking && this->m_Controls->m_EnableLogging->isChecked() && !this->m_logging) StartLogging();
   else if (!this->m_Controls->m_EnableLogging->isChecked() && this->m_logging) StopLogging();
   }
 
 void QmitkMITKIGTTrackingToolboxView::OnChooseFileClicked()
   {
   QString filename = QFileDialog::getSaveFileName(NULL,tr("Choose Logging File"), "/", "*.*");
   this->m_Controls->m_LoggingFileName->setText(filename);
   }
 
 void QmitkMITKIGTTrackingToolboxView::StartLogging()
   {
   //initialize logging filter
   m_loggingFilter = mitk::NavigationDataRecorder::New();
   m_loggingFilter->SetRecordingMode(mitk::NavigationDataRecorder::NormalFile);
   if (m_Controls->m_xmlFormat->isChecked()) m_loggingFilter->SetOutputFormat(mitk::NavigationDataRecorder::xml);
   else if (m_Controls->m_csvFormat->isChecked()) m_loggingFilter->SetOutputFormat(mitk::NavigationDataRecorder::csv);
   m_loggingFilter->SetFileName(m_Controls->m_LoggingFileName->text().toStdString().c_str());
   
   //connect filter
   for(int i=0; i<m_ToolVisualizationFilter->GetNumberOfOutputs(); i++){m_loggingFilter->AddNavigationData(m_ToolVisualizationFilter->GetOutput(i));}
   
   m_loggingFilter->StartRecording();
   m_logging = true;
   }
 
 void QmitkMITKIGTTrackingToolboxView::StopLogging()
   {
   m_loggingFilter->StopRecording();
   m_logging = false;
   }