diff --git a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.cpp b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.cpp
index 6032db8de8..fcf0290514 100644
--- a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.cpp
+++ b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.cpp
@@ -1,200 +1,183 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #include "org_mitk_gui_qt_flow_segmentation_Activator.h"
 
 // Blueberry
 #include <berryISelectionService.h>
 #include <berryIWorkbenchWindow.h>
 #include <berryQtStyleManager.h>
+#include <berryPlatformUI.h>
 
 #include <itksys/SystemTools.hxx>
 
 //MITK
 #include <mitkBaseApplication.h>
 #include <mitkLabelSetImage.h>
 #include <mitkNodePredicateAnd.h>
 #include <mitkNodePredicateNot.h>
 #include <mitkNodePredicateProperty.h>
 #include <mitkNodePredicateDataType.h>
 #include <mitkIOUtil.h>
 
 // Qmitk
 #include "QmitkSegmentationFlowControlView.h"
 
 #include <ui_QmitkSegmentationFlowControlView.h>
 
 // Qt
 #include <QMessageBox>
 #include <QDir>
 
 #include <mitkFileSystem.h>
 
 const std::string QmitkSegmentationFlowControlView::VIEW_ID = "org.mitk.views.flow.control";
 
 QmitkSegmentationFlowControlView::QmitkSegmentationFlowControlView()
     : m_Controls(new Ui::SegmentationFlowControlView),
       m_Parent(nullptr)
 {
   auto notHelperObject = mitk::NodePredicateNot::New(
     mitk::NodePredicateProperty::New("helper object"));
 
   m_SegmentationPredicate = mitk::NodePredicateAnd::New(
     mitk::TNodePredicateDataType<mitk::LabelSetImage>::New(),
     notHelperObject);
 
   m_SegmentationTaskListPredicate = mitk::NodePredicateAnd::New(
     mitk::TNodePredicateDataType<mitk::SegmentationTaskList>::New(),
     notHelperObject);
+
+  berry::PlatformUI::GetWorkbench()->AddWorkbenchListener(this);
+}
+
+QmitkSegmentationFlowControlView::~QmitkSegmentationFlowControlView()
+{
+  berry::PlatformUI::GetWorkbench()->RemoveWorkbenchListener(this);
+}
+
+bool QmitkSegmentationFlowControlView::PreShutdown(berry::IWorkbench*, bool)
+{
+  return m_Controls->segmentationTaskListWidget != nullptr
+    ? m_Controls->segmentationTaskListWidget->OnPreShutdown()
+    : true;
 }
 
 void QmitkSegmentationFlowControlView::SetFocus()
 {
     m_Controls->btnStoreAndAccept->setFocus();
 }
 
 void QmitkSegmentationFlowControlView::CreateQtPartControl(QWidget* parent)
 {
-  // create GUI widgets from the Qt Designer's .ui file
   m_Controls->setupUi(parent);
-
   m_Parent = parent;
 
   using Self = QmitkSegmentationFlowControlView;
 
   connect(m_Controls->btnStore, &QPushButton::clicked, this, &Self::OnStoreButtonClicked);
   connect(m_Controls->btnStoreAndAccept, &QPushButton::clicked, this, &Self::OnAcceptButtonClicked);
   connect(m_Controls->segmentationTaskListWidget, &QmitkSegmentationTaskListWidget::ActiveTaskChanged, this, &Self::OnActiveTaskChanged);
   connect(m_Controls->segmentationTaskListWidget, &QmitkSegmentationTaskListWidget::CurrentTaskChanged, this, &Self::OnCurrentTaskChanged);
 
   m_Controls->btnStore->setIcon(berry::QtStyleManager::ThemeIcon(QStringLiteral(":/org_mitk_icons/icons/awesome/scalable/actions/document-save.svg")));
+  m_Controls->btnStore->setVisible(false);
 
   m_Controls->segmentationTaskListWidget->setVisible(false);
-  m_Controls->btnStore->setVisible(false);
+
   m_Controls->labelStored->setVisible(false);
-  UpdateControls();
+
+  this->UpdateControls();
 
   m_OutputDir = QString::fromStdString(mitk::BaseApplication::instance().config().getString("flow.outputdir", itksys::SystemTools::GetCurrentWorkingDirectory()));
   m_OutputDir = QDir::fromNativeSeparators(m_OutputDir);
 
   m_FileExtension = QString::fromStdString(mitk::BaseApplication::instance().config().getString("flow.outputextension", "nrrd"));
 }
 
 void QmitkSegmentationFlowControlView::OnStoreButtonClicked()
 {
-  this->SaveActiveTask(true);
+  m_Controls->segmentationTaskListWidget->SaveActiveTask(true);
 }
 
 void QmitkSegmentationFlowControlView::OnAcceptButtonClicked()
 {
   if (m_Controls->segmentationTaskListWidget->isVisible())
   {
-    this->SaveActiveTask();
+    m_Controls->segmentationTaskListWidget->SaveActiveTask();
     m_Controls->segmentationTaskListWidget->LoadNextUnfinishedTask();
   }
   else
   {
     auto nodes = this->GetDataStorage()->GetSubset(m_SegmentationPredicate);
 
     for (auto node : *nodes)
     {
       QString outputpath = m_OutputDir + "/" + QString::fromStdString(node->GetName()) + "." + m_FileExtension;
       outputpath = QDir::toNativeSeparators(QDir::cleanPath(outputpath));
       mitk::IOUtil::Save(node->GetData(), outputpath.toStdString());
     }
 
     m_Controls->labelStored->setVisible(true);
   }
 }
 
-void QmitkSegmentationFlowControlView::SaveActiveTask(bool saveAsIntermediateResult)
-{
-  auto* taskList = m_Controls->segmentationTaskListWidget->GetTaskList();
-
-  if (taskList != nullptr)
-  {
-    auto activeTaskIndex = m_Controls->segmentationTaskListWidget->GetActiveTaskIndex();
-
-    if (activeTaskIndex.has_value())
-    {
-      auto segmentationNode = m_Controls->segmentationTaskListWidget->GetSegmentationDataNode(activeTaskIndex.value());
-
-      if (segmentationNode != nullptr)
-      {
-        this->BusyCursorOn();
-
-        try
-        {
-          taskList->SaveTask(activeTaskIndex.value(), segmentationNode->GetData(), saveAsIntermediateResult);
-          m_Controls->segmentationTaskListWidget->OnUnsavedChangesSaved();
-        }
-        catch (const mitk::Exception& e)
-        {
-          MITK_ERROR << e;
-        }
-
-        this->BusyCursorOff();
-      }
-    }
-  }
-}
-
 void QmitkSegmentationFlowControlView::OnActiveTaskChanged(const std::optional<size_t>&)
 {
   this->UpdateControls();
 }
 
 void QmitkSegmentationFlowControlView::OnCurrentTaskChanged(const std::optional<size_t>&)
 {
   this->UpdateControls();
 }
 
 void QmitkSegmentationFlowControlView::UpdateControls()
 {
   auto dataStorage = this->GetDataStorage();
   auto hasTaskList = !dataStorage->GetSubset(m_SegmentationTaskListPredicate)->empty();
 
   m_Controls->segmentationTaskListWidget->setVisible(hasTaskList);
 
   if (hasTaskList)
   {
     auto activeTaskIsShown = m_Controls->segmentationTaskListWidget->ActiveTaskIsShown();
 
     m_Controls->btnStore->setVisible(activeTaskIsShown);
     m_Controls->btnStoreAndAccept->setEnabled(activeTaskIsShown);
   }
   else
   {
     auto hasSegmentation = !dataStorage->GetSubset(m_SegmentationPredicate)->empty();
 
     m_Controls->btnStore->setVisible(false);
     m_Controls->btnStoreAndAccept->setEnabled(hasSegmentation);
   }
 }
 
 void QmitkSegmentationFlowControlView::NodeAdded(const mitk::DataNode* node)
 {
   if (dynamic_cast<const mitk::LabelSetImage*>(node->GetData()) != nullptr)
     this->UpdateControls();
 }
 
 void QmitkSegmentationFlowControlView::NodeChanged(const mitk::DataNode* node)
 {
   if (dynamic_cast<const mitk::LabelSetImage*>(node->GetData()) != nullptr)
     this->UpdateControls();
 }
 
 void QmitkSegmentationFlowControlView::NodeRemoved(const mitk::DataNode* node)
 {
   if (dynamic_cast<const mitk::LabelSetImage*>(node->GetData()) != nullptr)
     this->UpdateControls();
 }
diff --git a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.h b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.h
index 9a8fdb94d0..beeffc7401 100644
--- a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.h
+++ b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.h
@@ -1,84 +1,87 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 
 #ifndef __Q_MITK_MATCHPOINT_MAPPER_H
 #define __Q_MITK_MATCHPOINT_MAPPER_H
 
 #include <berryISelectionListener.h>
+#include <berryIWorkbenchListener.h>
 #include <QmitkAbstractView.h>
 
 #include "mitkNodePredicateBase.h"
 
 #include <optional>
 
 namespace Ui
 {
   class SegmentationFlowControlView;
 }
 
 /*!
   \brief QmitkSegmentationFlowControlView
 
   Class that "controls" the segmentation view. It offers the possibility to accept a segmentation.
   Accepting the segmentation stores the segmentation to the given working directory.
 
   The working directory is specified by command line arguments. If no commandline flag is set the current working directory will be used.
 */
-class QmitkSegmentationFlowControlView : public QmitkAbstractView
+class QmitkSegmentationFlowControlView : public QmitkAbstractView, public berry::IWorkbenchListener
 {
     // this is needed for all Qt objects that should have a Qt meta-object
     // (everything that derives from QObject and wants to have signal/slots)
     Q_OBJECT
 
 public:
 
     static const std::string VIEW_ID;
 
     /**
      * Creates smartpointer typedefs
      */
     berryObjectMacro(QmitkSegmentationFlowControlView)
 
     QmitkSegmentationFlowControlView();
+    ~QmitkSegmentationFlowControlView() override;
 
     void CreateQtPartControl(QWidget *parent) override;
 
 protected slots:
 
     void OnStoreButtonClicked();
     void OnAcceptButtonClicked();
     void OnActiveTaskChanged(const std::optional<size_t>& index);
     void OnCurrentTaskChanged(const std::optional<size_t>& index);
 
 protected:
     void SetFocus() override;
 
     void NodeAdded(const mitk::DataNode* node) override;
     void NodeChanged(const mitk::DataNode* node) override;
     void NodeRemoved(const mitk::DataNode* node) override;
 
+    bool PreShutdown(berry::IWorkbench*, bool) override;
+
     void UpdateControls();
-    void SaveActiveTask(bool saveAsIntermediateResult = false);
 
     Ui::SegmentationFlowControlView* m_Controls;
 
 private:
     QWidget *m_Parent;
     mitk::NodePredicateBase::Pointer m_SegmentationPredicate;
     mitk::NodePredicateBase::Pointer m_SegmentationTaskListPredicate;
     QString m_OutputDir;
     QString m_FileExtension;
 };
 
 #endif // MatchPoint_h
 
diff --git a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.ui b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.ui
index c4f289c8ab..eaebffec27 100644
--- a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.ui
+++ b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationFlowControlView.ui
@@ -1,133 +1,133 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>SegmentationFlowControlView</class>
  <widget class="QWidget" name="SegmentationFlowControlView">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>268</width>
     <height>324</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">
       <enum>Qt::Vertical</enum>
      </property>
      <property name="sizeHint" stdset="0">
       <size>
        <width>20</width>
        <height>40</height>
       </size>
      </property>
     </spacer>
    </item>
    <item>
     <widget class="QmitkSegmentationTaskListWidget" name="segmentationTaskListWidget" native="true"/>
    </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QPushButton" name="btnStore">
        <property name="minimumSize">
         <size>
          <width>50</width>
          <height>50</height>
         </size>
        </property>
        <property name="maximumSize">
         <size>
          <width>50</width>
          <height>50</height>
         </size>
        </property>
        <property name="toolTip">
-        <string>Save intermediate result</string>
+        <string>Save interim segmentation</string>
        </property>
        <property name="iconSize">
         <size>
          <width>32</width>
          <height>32</height>
         </size>
        </property>
       </widget>
      </item>
      <item>
       <widget class="QPushButton" name="btnStoreAndAccept">
        <property name="minimumSize">
         <size>
          <width>0</width>
          <height>50</height>
         </size>
        </property>
        <property name="toolTip">
         <string>Save and accept segmentation</string>
        </property>
        <property name="text">
         <string>Accept segmentation</string>
        </property>
        <property name="iconSize">
         <size>
          <width>32</width>
          <height>32</height>
         </size>
        </property>
       </widget>
      </item>
     </layout>
    </item>
    <item>
     <widget class="QLabel" name="labelStored">
      <property name="text">
       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-size:12pt;&quot;&gt;Segmentation accepted! Flow on...&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="alignment">
       <set>Qt::AlignCenter</set>
      </property>
     </widget>
    </item>
    <item>
     <spacer name="verticalSpacer_2">
      <property name="orientation">
       <enum>Qt::Vertical</enum>
      </property>
      <property name="sizeHint" stdset="0">
       <size>
        <width>20</width>
        <height>40</height>
       </size>
      </property>
     </spacer>
    </item>
   </layout>
  </widget>
  <customwidgets>
   <customwidget>
    <class>QmitkSegmentationTaskListWidget</class>
    <extends>QWidget</extends>
    <header location="global">internal/QmitkSegmentationTaskListWidget.h</header>
    <container>1</container>
   </customwidget>
  </customwidgets>
  <resources/>
  <connections/>
  <designerdata>
   <property name="gridDeltaX">
    <number>5</number>
   </property>
   <property name="gridDeltaY">
    <number>5</number>
   </property>
   <property name="gridSnapX">
    <bool>true</bool>
   </property>
   <property name="gridSnapY">
    <bool>true</bool>
   </property>
   <property name="gridVisible">
    <bool>true</bool>
   </property>
  </designerdata>
 </ui>
diff --git a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp
index d61f2f97bc..0d83e00df5 100644
--- a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp
+++ b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp
@@ -1,798 +1,788 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #include "QmitkSegmentationTaskListWidget.h"
 #include "org_mitk_gui_qt_flow_segmentation_Activator.h"
 
 #include <berryIPreferences.h>
 #include <berryIPreferencesService.h>
 #include <berryPlatform.h>
 
 #include <mitkIDataStorageService.h>
 #include <mitkIOUtil.h>
 #include <mitkLabelSetIOHelper.h>
 #include <mitkLabelSetImageHelper.h>
 #include <mitkNodePredicateDataType.h>
 #include <mitkNodePredicateFunction.h>
 #include <mitkRenderingManager.h>
 #include <mitkSegmentationHelper.h>
 
 #include <QmitkStaticDynamicSegmentationDialog.h>
 #include <QmitkStyleManager.h>
 
 #include <ui_QmitkSegmentationTaskListWidget.h>
 
 #include <QFileSystemWatcher>
 #include <QMessageBox>
 
 #include <mitkFileSystem.h>
 
 namespace
 {
   berry::IPreferences::Pointer GetSegmentationPreferences()
   {
     return berry::Platform::GetPreferencesService()->GetSystemPreferences()->Node("/org.mitk.views.segmentation");
   }
 
   mitk::DataStorage* GetDataStorage()
   {
     auto* pluginContext = org_mitk_gui_qt_flow_segmentation_Activator::GetContext();
     auto dataStorageServiceReference = pluginContext->getServiceReference<mitk::IDataStorageService>();
 
     if (dataStorageServiceReference)
     {
       auto* dataStorageService = pluginContext->getService<mitk::IDataStorageService>(dataStorageServiceReference);
 
       if (dataStorageService != nullptr)
       {
         auto dataStorageReference = dataStorageService->GetDataStorage();
         pluginContext->ungetService(dataStorageServiceReference);
 
         return dataStorageReference->GetDataStorage();
       }
     }
 
     return nullptr;
   }
 
   fs::path GetInputLocation(const mitk::BaseData* data)
   {
     std::string result;
 
     if (data != nullptr)
       data->GetPropertyList()->GetStringProperty("MITK.IO.reader.inputlocation", result);
 
     return result;
   }
 
   QString ColorString(const QString& string, const QColor& color, const QColor& backgroundColor = QColor::Invalid)
   {
     if (!color.isValid() && !backgroundColor.isValid())
       return string;
 
     auto result = QStringLiteral("<span style=\"");
     QStringList strings;
 
     if (color.isValid())
       strings << QString("color: %1;").arg(color.name());
 
     if (backgroundColor.isValid())
       strings << QString("background-color: %1;").arg(backgroundColor.name());
 
     result += strings.join(' ') + QString("\">%1</span>").arg(string);
 
     return result;
   }
 }
 
 /* This constructor has three objectives:
  *   1. Do widget initialization that cannot be done in the .ui file
  *   2. Connect signals and slots
  *   3. Explicitly trigger a reset to a valid initial widget state
  */
 QmitkSegmentationTaskListWidget::QmitkSegmentationTaskListWidget(QWidget* parent)
   : QWidget(parent),
     m_Ui(new Ui::QmitkSegmentationTaskListWidget),
     m_FileSystemWatcher(new QFileSystemWatcher(this)),
     m_UnsavedChanges(false)
 {
   m_Ui->setupUi(this);
 
   m_Ui->selectionWidget->SetDataStorage(GetDataStorage());
   m_Ui->selectionWidget->SetSelectionIsOptional(true);
   m_Ui->selectionWidget->SetEmptyInfo(QStringLiteral("Select a segmentation task list"));
   m_Ui->selectionWidget->SetAutoSelectNewNodes(true);
   m_Ui->selectionWidget->SetNodePredicate(mitk::TNodePredicateDataType<mitk::SegmentationTaskList>::New());
 
   m_Ui->progressBar->setStyleSheet(QString("QProgressBar::chunk { background-color: %1; }").arg(QmitkStyleManager::GetIconAccentColor()));
 
   using Self = QmitkSegmentationTaskListWidget;
 
   connect(m_Ui->selectionWidget, &QmitkSingleNodeSelectionWidget::CurrentSelectionChanged, this, &Self::OnSelectionChanged);
   connect(m_Ui->previousButton, &QToolButton::clicked, this, &Self::OnPreviousButtonClicked);
   connect(m_Ui->nextButton, &QToolButton::clicked, this, &Self::OnNextButtonClicked);
   connect(m_Ui->loadButton, &QPushButton::clicked, this, &Self::OnLoadButtonClicked);
 
   connect(m_FileSystemWatcher, &QFileSystemWatcher::directoryChanged, this, &Self::OnResultDirectoryChanged);
 
   this->OnSelectionChanged(m_Ui->selectionWidget->GetSelectedNodes());
 }
 
 QmitkSegmentationTaskListWidget::~QmitkSegmentationTaskListWidget()
 {
 }
 
-mitk::SegmentationTaskList* QmitkSegmentationTaskListWidget::GetTaskList() const
-{
-  return m_TaskList;
-}
-
-std::optional<size_t> QmitkSegmentationTaskListWidget::GetActiveTaskIndex() const
-{
-  return m_ActiveTaskIndex;
-}
-
-std::optional<size_t> QmitkSegmentationTaskListWidget::GetCurrentTaskIndex() const
-{
-  return m_CurrentTaskIndex;
-}
-
 void QmitkSegmentationTaskListWidget::OnUnsavedChangesSaved()
 {
   if (m_UnsavedChanges)
   {
     m_UnsavedChanges = false;
 
     if (this->ActiveTaskIsShown())
       this->UpdateDetailsLabel();
   }
 }
 
 /* Make sure that the widget transitions into a valid state whenever the
  * selection changes.
  */
 void QmitkSegmentationTaskListWidget::OnSelectionChanged(const QmitkSingleNodeSelectionWidget::NodeList& nodes)
 {
   this->UnloadTasks();
   this->ResetControls();
 
   if (!nodes.empty())
   {
     m_TaskListNode = nodes.front();
     auto taskList = dynamic_cast<mitk::SegmentationTaskList*>(m_TaskListNode->GetData());
 
     if (taskList != nullptr)
     {
       this->OnTaskListChanged(taskList);
       return;
     }
   }
 
   this->SetTaskList(nullptr);
   m_TaskListNode = nullptr;
 }
 
 /* Reset all controls to a default state as a common basis for further
  * adjustments.
  */
 void QmitkSegmentationTaskListWidget::ResetControls()
 {
   m_Ui->progressBar->setEnabled(false);
   m_Ui->progressBar->setFormat("");
   m_Ui->progressBar->setValue(0);
   m_Ui->progressBar->setMaximum(1);
 
   m_Ui->previousButton->setEnabled(false);
   m_Ui->nextButton->setEnabled(false);
 
   this->UpdateLoadButton();
   this->UpdateDetailsLabel();
 }
 
 /* If the segmentation task changed, reset all member variables to expected
  * default values and reset the file system watcher.
  */
 void QmitkSegmentationTaskListWidget::SetTaskList(mitk::SegmentationTaskList* taskList)
 {
   if (m_TaskList != taskList)
   {
     m_TaskList = taskList;
 
     if (taskList != nullptr)
     {
       this->SetCurrentTaskIndex(0);
     }
     else
     {
       this->SetCurrentTaskIndex(std::nullopt);
     }
 
     this->ResetFileSystemWatcher();
   }
 }
 
 void QmitkSegmentationTaskListWidget::ResetFileSystemWatcher()
 {
   auto paths = m_FileSystemWatcher->directories();
 
   if (!paths.empty())
     m_FileSystemWatcher->removePaths(paths);
 
   if (m_TaskList.IsNotNull())
   {
     for (const auto& task : *m_TaskList)
     {
       auto resultPath = m_TaskList->GetAbsolutePath(task.GetResult()).remove_filename();
 
       if (!fs::exists(resultPath))
       {
         try
         {
           fs::create_directories(resultPath);
         }
         catch (const fs::filesystem_error& e)
         {
           MITK_ERROR << e.what();
         }
       }
 
       if (fs::exists(resultPath))
         m_FileSystemWatcher->addPath(QString::fromStdString(resultPath.string()));
     }
   }
 }
 
 void QmitkSegmentationTaskListWidget::OnResultDirectoryChanged(const QString&)
 {
   // TODO: If a segmentation was modified ("Unsaved changes"), saved ("Done"), and then the file is deleted, the status should be "Unsaved changes" instead of "Not done".
   this->UpdateProgressBar();
   this->UpdateDetailsLabel();
 }
 
 void QmitkSegmentationTaskListWidget::UpdateProgressBar()
 {
   int progress = 0;
 
   for (size_t i = 0; i < m_TaskList->GetNumberOfTasks(); ++i)
   {
     if (m_TaskList->IsDone(i))
       ++progress;
   }
 
   m_Ui->progressBar->setValue(progress);
 }
 
 /* Provided that a valid segmentation task list is currently selected and the
  * widget is in its default state, update all controls accordingly.
  */
 void QmitkSegmentationTaskListWidget::OnTaskListChanged(mitk::SegmentationTaskList* taskList)
 {
   this->SetTaskList(taskList);
 
   const auto numTasks = taskList->GetNumberOfTasks();
 
   m_Ui->progressBar->setMaximum(numTasks);
   m_Ui->progressBar->setFormat(QStringLiteral("%v/%m Task(s) done"));
   m_Ui->progressBar->setEnabled(true);
 
   this->UpdateProgressBar();
 
   m_Ui->loadButton->setEnabled(true);
 
   if (numTasks > 1)
     m_Ui->nextButton->setEnabled(true);
 }
 
 /* If possible, change the currently displayed task to the previous task.
  * Enable/disable navigation buttons according to the task's position.
  */
 void QmitkSegmentationTaskListWidget::OnPreviousButtonClicked()
 {
   const auto maxIndex = m_TaskList->GetNumberOfTasks() - 1;
   auto current = m_CurrentTaskIndex.value();
 
   if (current != 0)
     this->SetCurrentTaskIndex(current - 1);
 
   this->UpdateNavigationButtons();
 }
 
 /* If possible, change the currently displayed task to the next task.
  * Enable/disable navigation buttons according to the task's position.
  */
 void QmitkSegmentationTaskListWidget::OnNextButtonClicked()
 {
   const auto maxIndex = m_TaskList->GetNumberOfTasks() - 1;
   auto current = m_CurrentTaskIndex.value();
 
   if (current < maxIndex)
     this->SetCurrentTaskIndex(current + 1);
 
   this->UpdateNavigationButtons();
 }
 
 void QmitkSegmentationTaskListWidget::UpdateNavigationButtons()
 {
   const auto maxIndex = m_TaskList->GetNumberOfTasks() - 1;
   const auto current = m_CurrentTaskIndex.value();
 
   m_Ui->previousButton->setEnabled(current != 0);
   m_Ui->nextButton->setEnabled(current != maxIndex);
 }
 
 /* Update affected controls when the currently displayed task changed.
  */
 void QmitkSegmentationTaskListWidget::OnCurrentTaskChanged()
 {
   this->UpdateLoadButton();
   this->UpdateNavigationButtons();
   this->UpdateDetailsLabel();
 }
 
 /* Update the load button according to the currently displayed task.
  */
 void QmitkSegmentationTaskListWidget::UpdateLoadButton()
 {
   auto text = !this->ActiveTaskIsShown()
     ? QStringLiteral("Load task")
     : QStringLiteral("Task");
 
   if (m_CurrentTaskIndex.has_value())
   {
     const auto current = m_CurrentTaskIndex.value();
 
     if (m_TaskList.IsNotNull())
     {
       text += QString(" %1/%2").arg(current + 1).arg(m_TaskList->GetNumberOfTasks());
 
       if (m_TaskList->HasName(current))
         text += QStringLiteral(":\n") + QString::fromStdString(m_TaskList->GetName(current));
     }
 
     m_Ui->loadButton->setDisabled(this->ActiveTaskIsShown());
   }
   else
   {
     m_Ui->loadButton->setEnabled(false);
   }
 
   m_Ui->loadButton->setText(text);
 }
 
 /* Update the details label according to the currently display task.
  * The text is composed of the status of the task and a variable number
  * of text blocks according to the optional values provided by the task.
  */
 void QmitkSegmentationTaskListWidget::UpdateDetailsLabel()
 {
   if (!m_CurrentTaskIndex.has_value())
   {
     m_Ui->detailsLabel->clear();
     return;
   }
 
   const auto current = m_CurrentTaskIndex.value();
   bool isDone = m_TaskList->IsDone(current);
 
   auto details = QString("<p><b>Status: %1</b> / <b>").arg(this->ActiveTaskIsShown()
     ? ColorString("Active", Qt::white, QColor(Qt::green).darker())
     : ColorString("Inactive", Qt::white, QColor(Qt::red).darker()));
 
   if (m_UnsavedChanges && this->ActiveTaskIsShown())
   {
     details += QString("%1</b></p>").arg(ColorString("Unsaved changes", Qt::white, QColor(Qt::red).darker()));
   }
   else
   {
     details += QString("%1</b></p>").arg(isDone
       ? ColorString("Done", Qt::white, QColor(Qt::green).darker())
       : ColorString("Not done", Qt::white, QColor(Qt::red).darker()));
   }
 
   if (m_TaskList->HasDescription(current))
     details += QString("<p><b>Description:</b> %1</p>").arg(QString::fromStdString(m_TaskList->GetDescription(current)));
 
   QStringList stringList;
 
   if (m_TaskList->HasImage(current))
     stringList << QString::fromStdString("<b>Image:</b> " + m_TaskList->GetImage(current).string());
 
   if (m_TaskList->HasSegmentation(current))
     stringList << QString::fromStdString("<b>Segmentation:</b> " + m_TaskList->GetSegmentation(current).string());
 
   if (m_TaskList->HasLabelName(current))
     stringList << QString::fromStdString("<b>Label name:</b> " + m_TaskList->GetLabelName(current));
 
   if (m_TaskList->HasLabelNameSuggestions(current))
     stringList << QString::fromStdString("<b>Label name suggestions:</b> " + m_TaskList->GetLabelNameSuggestions(current).string());
 
   if (m_TaskList->HasPreset(current))
     stringList << QString::fromStdString("<b>Label set preset:</b> " + m_TaskList->GetPreset(current).string());
 
   if (m_TaskList->HasDynamic(current))
     stringList << QString("<b>Segmentation type:</b> %1").arg(m_TaskList->GetDynamic(current) ? "Dynamic" : "Static");
 
   if (!stringList.empty())
     details += QString("<p>%1</p>").arg(stringList.join(QStringLiteral("<br>")));
 
   m_Ui->detailsLabel->setText(details);
 }
 
 /* Load/activate the currently displayed task. Unload all data nodes from
  * previously active tasks first, but spare and reuse the image if possible.
  */
 void QmitkSegmentationTaskListWidget::OnLoadButtonClicked()
 {
   if (!this->HandleUnsavedChanges() || m_UnsavedChanges)
     return;
 
   m_Ui->loadButton->setEnabled(false);
 
   QApplication::setOverrideCursor(Qt::BusyCursor);
   this->LoadTask(this->GetImageDataNode(m_CurrentTaskIndex.value()));
   QApplication::restoreOverrideCursor();
 }
 
 /* If present, return the image data node for the task with the specified
  * index. Otherwise, return nullptr.
  */
 mitk::DataNode* QmitkSegmentationTaskListWidget::GetImageDataNode(size_t index) const
 {
   const auto imagePath = m_TaskList->GetAbsolutePath(m_TaskList->GetImage(index));
 
   auto imageNodes = GetDataStorage()->GetDerivations(m_TaskListNode, mitk::NodePredicateFunction::New([imagePath](const mitk::DataNode* node) {
     return imagePath == GetInputLocation(node->GetData());
   }));
 
   return !imageNodes->empty()
     ? imageNodes->front()
     : nullptr;
 }
 
 /* If present, return the segmentation data node for the task with the
  * specified index. Otherwise, return nullptr.
  */
 mitk::DataNode* QmitkSegmentationTaskListWidget::GetSegmentationDataNode(size_t index) const
 {
   const auto* imageNode = this->GetImageDataNode(index);
 
   if (imageNode != nullptr)
   {
     auto segmentations = GetDataStorage()->GetDerivations(imageNode, mitk::TNodePredicateDataType<mitk::LabelSetImage>::New());
 
     if (!segmentations->empty())
       return segmentations->front();
   }
 
   return nullptr;
 }
 
 /* Unload all task data nodes but spare the passed image data node.
  */
 void QmitkSegmentationTaskListWidget::UnloadTasks(const mitk::DataNode* skip)
 {
   this->UnsubscribeFromActiveSegmentation();
 
   if (m_TaskListNode.IsNotNull())
   {
     mitk::DataStorage::Pointer dataStorage = GetDataStorage();
 
     auto imageNodes = dataStorage->GetDerivations(m_TaskListNode, mitk::TNodePredicateDataType<mitk::Image>::New());
 
     for (auto imageNode : *imageNodes)
     {
       dataStorage->Remove(dataStorage->GetDerivations(imageNode, nullptr, false));
 
       if (imageNode != skip)
         dataStorage->Remove(imageNode);
     }
   }
 
   this->SetActiveTaskIndex(std::nullopt);
 }
 
 void QmitkSegmentationTaskListWidget::LoadNextUnfinishedTask()
 {
   const auto current = m_CurrentTaskIndex.value();
   const auto numTasks = m_TaskList->GetNumberOfTasks();
 
   for (size_t unboundNext = current; unboundNext < current + numTasks; ++unboundNext)
   {
     auto next = unboundNext % numTasks;
 
     if (!m_TaskList->IsDone(next))
     {
       this->SetCurrentTaskIndex(next);
       this->OnLoadButtonClicked();
       break;
     }
   }
 }
 
 /* Load/activate the currently displayed task. The task must specify
  * an image. The segmentation is either created from scratch with an optional
  * name for the first label, possibly based on a label set preset specified by
  * the task, or loaded as specified by the task. If a result file does
  * exist, it is chosen as segmentation instead.
  */
 void QmitkSegmentationTaskListWidget::LoadTask(mitk::DataNode::Pointer imageNode)
 {
   this->UnloadTasks(imageNode);
 
   const auto current = m_CurrentTaskIndex.value();
 
   mitk::Image::Pointer image;
   mitk::LabelSetImage::Pointer segmentation;
 
   try
   {
     if (imageNode.IsNull())
     {
       const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetImage(current));
       image = mitk::IOUtil::Load<mitk::Image>(path.string());
     }
 
     const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetResult(current));
     const auto interimPath = m_TaskList->GetInterimPath(path);
 
     if (fs::exists(path))
     {
       segmentation = mitk::IOUtil::Load<mitk::LabelSetImage>(path.string());
     }
     else if (fs::exists(interimPath))
     {
       segmentation = mitk::IOUtil::Load<mitk::LabelSetImage>(interimPath.string());
     }
     else if (m_TaskList->HasSegmentation(current))
     {
       const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetSegmentation(current));
       segmentation = mitk::IOUtil::Load<mitk::LabelSetImage>(path.string());
     }
   }
   catch (const mitk::Exception&)
   {
     return;
   }
 
   auto dataStorage = GetDataStorage();
 
   if (imageNode.IsNull())
   {
     imageNode = mitk::DataNode::New();
     imageNode->SetData(image);
 
     dataStorage->Add(imageNode, m_TaskListNode);
 
     mitk::RenderingManager::GetInstance()->InitializeViews(image->GetTimeGeometry());
   }
   else
   {
     image = static_cast<mitk::Image*>(imageNode->GetData());
   }
 
   auto name = "Task " + std::to_string(current + 1);
   imageNode->SetName(name);
 
   if (segmentation.IsNull())
   {
     mitk::Image::ConstPointer templateImage = image;
 
     if (templateImage->GetDimension() > 3)
     {
       if (m_TaskList->HasDynamic(current))
       {
         if (!m_TaskList->GetDynamic(current))
           templateImage = mitk::SegmentationHelper::GetStaticSegmentationTemplate(image);
       }
       else
       {
         QmitkStaticDynamicSegmentationDialog dialog(this);
         dialog.SetReferenceImage(templateImage);
         dialog.exec();
 
         templateImage = dialog.GetSegmentationTemplate();
       }
     }
 
     auto segmentationNode = mitk::LabelSetImageHelper::CreateNewSegmentationNode(imageNode, templateImage, name);
     segmentation = static_cast<mitk::LabelSetImage*>(segmentationNode->GetData());
 
     if (m_TaskList->HasPreset(current))
     {
       const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetPreset(current));
       mitk::LabelSetIOHelper::LoadLabelSetImagePreset(path.string(), segmentation);
     }
     else
     {
       auto label = mitk::LabelSetImageHelper::CreateNewLabel(segmentation);
 
       if (m_TaskList->HasLabelName(current))
         label->SetName(m_TaskList->GetLabelName(current));
 
       segmentation->GetActiveLabelSet()->AddLabel(label);
     }
 
     dataStorage->Add(segmentationNode, imageNode);
   }
   else
   {
     auto segmentationNode = mitk::DataNode::New();
     segmentationNode->SetName(name);
     segmentationNode->SetData(segmentation);
 
     dataStorage->Add(segmentationNode, imageNode);
   }
 
   auto prefs = GetSegmentationPreferences();
 
   if (prefs.IsNotNull())
   {
     if (m_TaskList->HasLabelNameSuggestions(current))
     {
       auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetLabelNameSuggestions(current));
 
       prefs->PutBool("default label naming", false);
       prefs->Put("label suggestions", QString::fromStdString(path.string()));
       prefs->PutBool("replace standard suggestions", true);
       prefs->PutBool("suggest once", true);
     }
     else
     {
       prefs->PutBool("default label naming", true);
       prefs->Put("label suggestions", "");
     }
   }
 
   m_UnsavedChanges = false;
 
   this->SetActiveTaskIndex(current);
   this->SubscribeToActiveSegmentation();
 
   this->OnCurrentTaskChanged();
 }
 
 void QmitkSegmentationTaskListWidget::SubscribeToActiveSegmentation()
 {
   if (m_ActiveTaskIndex.has_value())
   {
     auto segmentationNode = this->GetSegmentationDataNode(m_ActiveTaskIndex.value());
 
     if (segmentationNode != nullptr)
     {
       auto segmentation = static_cast<mitk::LabelSetImage*>(segmentationNode->GetData());
 
       auto command = itk::SimpleMemberCommand<QmitkSegmentationTaskListWidget>::New();
       command->SetCallbackFunction(this, &QmitkSegmentationTaskListWidget::OnSegmentationModified);
 
       m_SegmentationModifiedObserverTag = segmentation->AddObserver(itk::ModifiedEvent(), command);
     }
   }
 }
 
 void QmitkSegmentationTaskListWidget::UnsubscribeFromActiveSegmentation()
 {
   if (m_ActiveTaskIndex.has_value() && m_SegmentationModifiedObserverTag.has_value())
   {
     auto segmentationNode = this->GetSegmentationDataNode(m_ActiveTaskIndex.value());
 
     if (segmentationNode != nullptr)
     {
       auto segmentation = static_cast<mitk::LabelSetImage*>(segmentationNode->GetData());
       segmentation->RemoveObserver(m_SegmentationModifiedObserverTag.value());
     }
 
     m_SegmentationModifiedObserverTag.reset();
   }
 }
 
 void QmitkSegmentationTaskListWidget::OnSegmentationModified()
 {
   if (!m_UnsavedChanges)
   {
     m_UnsavedChanges = true;
 
     if (m_ActiveTaskIndex.value() == m_CurrentTaskIndex)
       this->UpdateDetailsLabel();
   }
 }
 
 void QmitkSegmentationTaskListWidget::SetActiveTaskIndex(const std::optional<size_t>& index)
 {
   if (m_ActiveTaskIndex != index)
   {
     m_ActiveTaskIndex = index;
     emit ActiveTaskChanged(m_ActiveTaskIndex);
   }
 }
 
 void QmitkSegmentationTaskListWidget::SetCurrentTaskIndex(const std::optional<size_t>& index)
 {
   if (m_CurrentTaskIndex != index)
   {
     m_CurrentTaskIndex = index;
     this->OnCurrentTaskChanged();
     emit CurrentTaskChanged(m_CurrentTaskIndex);
   }
 }
 
 bool QmitkSegmentationTaskListWidget::ActiveTaskIsShown() const
 {
   return m_ActiveTaskIndex.has_value() && m_CurrentTaskIndex.has_value() && m_ActiveTaskIndex == m_CurrentTaskIndex;
 }
 
 bool QmitkSegmentationTaskListWidget::HandleUnsavedChanges(const QString& alternativeTitle)
 {
   if (m_UnsavedChanges)
   {
     const auto active = m_ActiveTaskIndex.value();
     const auto current = m_CurrentTaskIndex.value();
     QString title;
 
     if (alternativeTitle.isEmpty())
     {
       title = QString("Load task %1").arg(current + 1);
 
       if (m_TaskList->HasName(current))
         title += ": " + QString::fromStdString(m_TaskList->GetName(current));
     }
     else
     {
       title = alternativeTitle;
     }
 
     auto text = QString("The currently active task %1 ").arg(active + 1);
 
     if (m_TaskList->HasName(active))
       text += "(" + QString::fromStdString(m_TaskList->GetName(active)) + ") ";
 
     text += "has unsaved changes.";
 
     auto reply = QMessageBox::question(this, title, text, QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 
     switch (reply)
     {
     case QMessageBox::Save:
       this->SaveActiveTask(!fs::exists(m_TaskList->GetResult(active)));
       break;
 
     case QMessageBox::Discard:
       m_UnsavedChanges = false;
       break;
 
     default:
       return false;
     }
   }
 
   return true;
 }
 
 void QmitkSegmentationTaskListWidget::SaveActiveTask(bool saveAsIntermediateResult)
 {
   if (!m_ActiveTaskIndex.has_value())
     return;
 
   QApplication::setOverrideCursor(Qt::BusyCursor);
 
   try
   {
     const auto active = m_ActiveTaskIndex.value();
     m_TaskList->SaveTask(active, this->GetSegmentationDataNode(active)->GetData(), saveAsIntermediateResult);
     this->OnUnsavedChangesSaved();
   }
   catch (const mitk::Exception& e)
   {
     MITK_ERROR << e;
   }
 
   QApplication::restoreOverrideCursor();
 }
+
+bool QmitkSegmentationTaskListWidget::OnPreShutdown()
+{
+  return this->HandleUnsavedChanges(QStringLiteral("Application shutdown"));
+}
diff --git a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.h b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.h
index 489d45c81f..e1e11c235a 100644
--- a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.h
+++ b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.h
@@ -1,89 +1,87 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #ifndef QmitkSegmentationTaskListWidget_h
 #define QmitkSegmentationTaskListWidget_h
 
 #include <mitkSegmentationTaskList.h>
 
 #include <MitkSegmentationUIExports.h>
 
 #include <QmitkSingleNodeSelectionWidget.h>
 
 #include <QWidget>
 
 #include <optional>
 
 class QFileSystemWatcher;
 
 namespace Ui
 {
   class QmitkSegmentationTaskListWidget;
 }
 
 class QmitkSegmentationTaskListWidget : public QWidget
 {
   Q_OBJECT
 
 public:
   explicit QmitkSegmentationTaskListWidget(QWidget* parent = nullptr);
   ~QmitkSegmentationTaskListWidget() override;
 
-  mitk::SegmentationTaskList* GetTaskList() const;
-  std::optional<size_t> GetActiveTaskIndex() const;
-  std::optional<size_t> GetCurrentTaskIndex() const;
-  mitk::DataNode* GetSegmentationDataNode(size_t index) const;
-  void OnUnsavedChangesSaved();
   bool ActiveTaskIsShown() const;
   void LoadNextUnfinishedTask();
+  void SaveActiveTask(bool saveAsIntermediateResult = false);
+  bool OnPreShutdown();
 
 signals:
   void ActiveTaskChanged(const std::optional<size_t>& index);
   void CurrentTaskChanged(const std::optional<size_t>& index);
 
 private:
   void OnSelectionChanged(const QmitkSingleNodeSelectionWidget::NodeList& nodes);
   void ResetControls();
   void SetTaskList(mitk::SegmentationTaskList* task);
   void ResetFileSystemWatcher();
   void OnResultDirectoryChanged(const QString&);
   void UpdateProgressBar();
   void OnTaskListChanged(mitk::SegmentationTaskList* task);
   void OnPreviousButtonClicked();
   void OnNextButtonClicked();
   void OnCurrentTaskChanged();
   void UpdateLoadButton();
   void UpdateNavigationButtons();
   void UpdateDetailsLabel();
   void OnLoadButtonClicked();
   mitk::DataNode* GetImageDataNode(size_t index) const;
   void UnloadTasks(const mitk::DataNode* skip = nullptr);
   void LoadTask(mitk::DataNode::Pointer imageNode = nullptr);
   void SubscribeToActiveSegmentation();
   void UnsubscribeFromActiveSegmentation();
   void OnSegmentationModified();
   void SetActiveTaskIndex(const std::optional<size_t>& index);
   void SetCurrentTaskIndex(const std::optional<size_t>& index);
   bool HandleUnsavedChanges(const QString& alternativeTitle = QString());
-  void SaveActiveTask(bool saveAsIntermediateResult = false);
+  mitk::DataNode* GetSegmentationDataNode(size_t index) const;
+  void OnUnsavedChangesSaved();
 
   Ui::QmitkSegmentationTaskListWidget* m_Ui;
   QFileSystemWatcher* m_FileSystemWatcher;
   mitk::SegmentationTaskList::Pointer m_TaskList;
   mitk::DataNode::Pointer m_TaskListNode;
   std::optional<size_t> m_CurrentTaskIndex;
   std::optional<size_t> m_ActiveTaskIndex;
   std::optional<unsigned long> m_SegmentationModifiedObserverTag;
   bool m_UnsavedChanges;
 };
 
 #endif