diff --git a/src/board/UBBoardPaletteManager.cpp b/src/board/UBBoardPaletteManager.cpp
index 78f3241a..bf28d3e0 100644
--- a/src/board/UBBoardPaletteManager.cpp
+++ b/src/board/UBBoardPaletteManager.cpp
@@ -94,13 +94,12 @@ UBBoardPaletteManager::UBBoardPaletteManager(QWidget* container, UBBoardControll
 
 UBBoardPaletteManager::~UBBoardPaletteManager()
 {
-    delete mAddItemPalette;
 
-    if(NULL != mStylusPalette)
-    {
-        delete mStylusPalette;
-        mStylusPalette = NULL;
-    }
+// mAddedItemPalette is delete automatically because of is parent 
+// that changes depending on the mode 
+
+// mMainWindow->centralWidget is the parent of mStylusPalette
+// do not delete this here.
 }
 
 void UBBoardPaletteManager::initPalettesPosAtStartup()
@@ -958,8 +957,8 @@ void UBBoardPaletteManager::changeStylusPaletteOrientation(QVariant var)
     // Clean the old palette
     if(NULL != mStylusPalette)
     {
-        // TODO : check why this line creates a crash in the application.
         delete mStylusPalette;
+        mStylusPalette = NULL;
     }
 
     // Create the new palette
diff --git a/src/board/UBFeaturesController.cpp b/src/board/UBFeaturesController.cpp
index fa5cbb74..43ce18e1 100644
--- a/src/board/UBFeaturesController.cpp
+++ b/src/board/UBFeaturesController.cpp
@@ -1089,7 +1089,7 @@ UBFeaturesController::~UBFeaturesController()
     }
 }
 
-void UBFeaturesController::assignFeaturesListVeiw(UBFeaturesListView *pList)
+void UBFeaturesController::assignFeaturesListView(UBFeaturesListView *pList)
 {
     pList->setDragDropMode( QAbstractItemView::DragDrop );
     pList->setSelectionMode( QAbstractItemView::ContiguousSelection );
diff --git a/src/board/UBFeaturesController.h b/src/board/UBFeaturesController.h
index 61bee3ec..161b5179 100644
--- a/src/board/UBFeaturesController.h
+++ b/src/board/UBFeaturesController.h
@@ -187,7 +187,7 @@ public:
 
     static const QString virtualRootName;
 
-    void assignFeaturesListVeiw(UBFeaturesListView *pList);
+    void assignFeaturesListView(UBFeaturesListView *pList);
     void assignPathListView(UBFeaturesListView *pList);
 
 public:
diff --git a/src/gui/UBFeaturesWidget.cpp b/src/gui/UBFeaturesWidget.cpp
index 096ee58f..272bb84c 100644
--- a/src/gui/UBFeaturesWidget.cpp
+++ b/src/gui/UBFeaturesWidget.cpp
@@ -42,7 +42,7 @@ UBFeaturesWidget::UBFeaturesWidget(QWidget *parent, const char *name)
     controller->assignPathListView(pathListView);
 
     centralWidget = new UBFeaturesCentralWidget(this);
-    controller->assignFeaturesListVeiw(centralWidget->listView());
+    controller->assignFeaturesListView(centralWidget->listView());
     centralWidget->setSliderPosition(UBSettings::settings()->featureSliderPosition->get().toInt());
 
     //Bottom actionbar for DnD, quick search etc
@@ -430,7 +430,7 @@ void UBFeaturesListView::thumbnailSizeChanged( int value )
 }
 
 UBFeaturesNavigatorWidget::UBFeaturesNavigatorWidget(QWidget *parent, const char *name) :
-    QWidget(parent), mListView(0), mListSlder(0)
+    QWidget(parent), mListView(0), mListSlider(0)
 
 {
     name = "UBFeaturesNavigatorWidget";
@@ -440,26 +440,26 @@ UBFeaturesNavigatorWidget::UBFeaturesNavigatorWidget(QWidget *parent, const char
 
     mListView = new UBFeaturesListView(this, UBFeaturesWidget::objNameFeatureList);
 
-    mListSlder = new QSlider(Qt::Horizontal, this);
+    mListSlider = new QSlider(Qt::Horizontal, this);
 
-    mListSlder->setMinimum(UBFeaturesWidget::minThumbnailSize);
-    mListSlder->setMaximum(UBFeaturesWidget::maxThumbnailSize);
-    mListSlder->setValue(UBFeaturesWidget::minThumbnailSize);
-    mListSlder->setMinimumHeight(20);
+    mListSlider->setMinimum(UBFeaturesWidget::minThumbnailSize);
+    mListSlider->setMaximum(UBFeaturesWidget::maxThumbnailSize);
+    mListSlider->setValue(UBFeaturesWidget::minThumbnailSize);
+    mListSlider->setMinimumHeight(20);
 
     mListView->setParent(this);
     QVBoxLayout *mainLayer = new QVBoxLayout(this);
 
     mainLayer->addWidget(mListView, 1);
-    mainLayer->addWidget(mListSlder, 0);
+    mainLayer->addWidget(mListSlider, 0);
     mainLayer->setMargin(0);
 
-    connect(mListSlder, SIGNAL(valueChanged(int)), mListView, SLOT(thumbnailSizeChanged(int)));
+    connect(mListSlider, SIGNAL(valueChanged(int)), mListView, SLOT(thumbnailSizeChanged(int)));
 }
 
 void UBFeaturesNavigatorWidget::setSliderPosition(int pValue)
 {
-    mListSlder->setValue(pValue);
+    mListSlider->setValue(pValue);
 }
 
 UBFeaturesCentralWidget::UBFeaturesCentralWidget(QWidget *parent) : QWidget(parent)
diff --git a/src/gui/UBFeaturesWidget.h b/src/gui/UBFeaturesWidget.h
index 7363ffcb..e8d18589 100644
--- a/src/gui/UBFeaturesWidget.h
+++ b/src/gui/UBFeaturesWidget.h
@@ -154,7 +154,7 @@ public:
 
 private:
     UBFeaturesListView *mListView;
-    QSlider *mListSlder;
+    QSlider *mListSlider;
 
 };