diff --git a/Modules/Binarization/src/BinarizationPlugin.cpp b/Modules/Binarization/src/BinarizationPlugin.cpp
index d24a710..ca8f631 100644
--- a/Modules/Binarization/src/BinarizationPlugin.cpp
+++ b/Modules/Binarization/src/BinarizationPlugin.cpp
@@ -75,6 +75,7 @@ BinarizationPlugin::BinarizationPlugin(QObject* parent) : QObject(parent) {
 	mMenuStatusTips = statusTips.toList();
 
 	mBBSConfig.loadSettings();
+	mBBSConfig.saveSettings();		// save settings (to write default settings)
 }
 /**
 *	Destructor
@@ -82,7 +83,7 @@ BinarizationPlugin::BinarizationPlugin(QObject* parent) : QObject(parent) {
 BinarizationPlugin::~BinarizationPlugin() {
 
 	qDebug() << "destroying binarization plugin...";
-	mBBSConfig.saveSettings();
+	//mBBSConfig.saveSettings();
 }
 
 
diff --git a/Modules/Layout/src/LayoutPlugin.cpp b/Modules/Layout/src/LayoutPlugin.cpp
index f787a95..475b450 100644
--- a/Modules/Layout/src/LayoutPlugin.cpp
+++ b/Modules/Layout/src/LayoutPlugin.cpp
@@ -86,13 +86,14 @@ LayoutPlugin::LayoutPlugin(QObject* parent) : QObject(parent) {
 	mMenuStatusTips = statusTips.toList();
 
 	//mLTRConfig.loadSettings();
+	//mLTRConfig.saveSettings();
+
 }
 /**
 *	Destructor
 **/
 LayoutPlugin::~LayoutPlugin() {
 
-	//mLTRConfig.saveSettings();
 	qDebug() << "destroying binarization plugin...";
 }
 
diff --git a/Modules/PageVis/src/PageData.cpp b/Modules/PageVis/src/PageData.cpp
index 0d468aa..61f5a93 100644
--- a/Modules/PageVis/src/PageData.cpp
+++ b/Modules/PageVis/src/PageData.cpp
@@ -53,6 +53,7 @@ PageData::PageData(QObject* parent) : QObject(parent) {
 }
 
 PageData::~PageData() {
+	// TODO: check this line!
 	saveSettings(nmc::Settings::instance().getSettings());
 	qDebug() << "destroying PAGE viewport";
 }
diff --git a/Modules/PageVis/src/PageViewport.cpp b/Modules/PageVis/src/PageViewport.cpp
index fa764f7..2140b7b 100644
--- a/Modules/PageVis/src/PageViewport.cpp
+++ b/Modules/PageVis/src/PageViewport.cpp
@@ -59,6 +59,7 @@ PageViewport::PageViewport(QWidget* parent) : DkPluginViewPort(parent) {
 
 PageViewport::~PageViewport() {
 
+	// TODO: check this line!
 	saveSettings(nmc::Settings::instance().getSettings());
 	qDebug() << "destroying PAGE viewport";
 }
diff --git a/Modules/Skew/src/SkewPlugin.cpp b/Modules/Skew/src/SkewPlugin.cpp
index 0d40b06..092b2dd 100644
--- a/Modules/Skew/src/SkewPlugin.cpp
+++ b/Modules/Skew/src/SkewPlugin.cpp
@@ -94,7 +94,6 @@ SkewEstPlugin::SkewEstPlugin(QObject* parent) : QObject(parent) {
 SkewEstPlugin::~SkewEstPlugin() {
 
 	qDebug() << "destroying skew plugin...";
-	mBseConfig.saveSettings();
 }
 
 
@@ -408,6 +407,7 @@ void SkewEstPlugin::init()
 	loadSettings(nmc::Settings::instance().getSettings());
 
 	mBseConfig.loadSettings();
+	mBseConfig.saveSettings();
 
 	if (mFilePath.isEmpty()) {
 		mFilePath = "D:\\tmp\\evalSkew.txt";