diff --git a/sources/gui/src/errorwindow.cpp b/sources/gui/src/errorwindow.cpp
index 24fc0ea..b73709a 100644
--- a/sources/gui/src/errorwindow.cpp
+++ b/sources/gui/src/errorwindow.cpp
@@ -18,12 +18,15 @@
 #include "errorwindow.h"
 #include "ui_errorwindow.h"
 
+#include <QDebug>
+
 
 ErrorWindow::ErrorWindow(QWidget *parent, const int messageNumber)
     : QMainWindow(parent),
       ui(new Ui::ErrorWindow)
 {
     ui->setupUi(this);
+    qDebug() << "[ErrorWindow]" << "[ErrorWindow]" << ":" << "Initializate with error code" << messageNumber;
     setMessage(messageNumber);
 }
 
diff --git a/sources/gui/src/generalwidget.cpp b/sources/gui/src/generalwidget.cpp
index 566a681..9ebd788 100644
--- a/sources/gui/src/generalwidget.cpp
+++ b/sources/gui/src/generalwidget.cpp
@@ -95,7 +95,7 @@ void GeneralWidget::addBindTo()
 }
 
 
-void GeneralWidget::keyPressEvent(const QKeyEvent *pressedKey)
+void GeneralWidget::keyPressEvent(QKeyEvent *pressedKey)
 {
     if (pressedKey->key() == Qt::Key_Delete) {
         if (ui->listWidget_bindto->hasFocus() &&
diff --git a/sources/gui/src/generalwidget.h b/sources/gui/src/generalwidget.h
index 800801d..9c6231c 100644
--- a/sources/gui/src/generalwidget.h
+++ b/sources/gui/src/generalwidget.h
@@ -55,7 +55,7 @@ private:
     QDir *profileDirectory;
     Ui::GeneralWidget *ui;
     void createActions();
-    void keyPressEvent(const QKeyEvent *pressedKey);
+    void keyPressEvent(QKeyEvent *pressedKey);
 };
 
 
diff --git a/sources/gui/src/ipwidget.cpp b/sources/gui/src/ipwidget.cpp
index 6f13211..43190fe 100644
--- a/sources/gui/src/ipwidget.cpp
+++ b/sources/gui/src/ipwidget.cpp
@@ -140,7 +140,7 @@ void IpWidget::createFilter()
 }
 
 
-void IpWidget::keyPressEvent(const QKeyEvent *pressedKey)
+void IpWidget::keyPressEvent(QKeyEvent *pressedKey)
 {
     if (pressedKey->key() == Qt::Key_Delete) {
         if (ui->listWidget_ipAddress->hasFocus() &&
diff --git a/sources/gui/src/ipwidget.h b/sources/gui/src/ipwidget.h
index 7d7f00a..ca97e76 100644
--- a/sources/gui/src/ipwidget.h
+++ b/sources/gui/src/ipwidget.h
@@ -63,7 +63,7 @@ private:
     Ui::IpWidget *ui;
     void createActions();
     void createFilter();
-    void keyPressEvent(const QKeyEvent *pressedKey);
+    void keyPressEvent(QKeyEvent *pressedKey);
     QString getIp(const QString rawIp);
     QString getPrefix(const QString rawPrefix);
     QString getIp6(const QString rawIp);
diff --git a/sources/gui/src/main.cpp b/sources/gui/src/main.cpp
index 3c480e9..adb1f0b 100644
--- a/sources/gui/src/main.cpp
+++ b/sources/gui/src/main.cpp
@@ -43,14 +43,14 @@ int main(int argc, char *argv[])
     if (configFile.open(QIODevice::ReadOnly))
         while (true) {
             fileStr = QString(configFile.readLine());
-            if (configFile.atEnd())
-                break;
-            else if (fileStr[0] != '#') {
+            if (fileStr[0] != '#') {
                 if (fileStr.contains(QString("LANGUAGE=")))
                     language = fileStr.split(QString("="))[1]
                             .remove(QString(" "))
                             .trimmed();
             }
+            if (configFile.atEnd())
+                break;
         }
     configFile.close();
     QTranslator translator;
@@ -81,9 +81,9 @@ int main(int argc, char *argv[])
             return 0;
         }
         // default settings
-        else if ((argv[i][0] == '-') && (argv[i][1] == '-') && (argv[i][2] == 'd') && (argv[i][2] == 'd') &&
-                 (argv[i][3] == 'e') && (argv[i][4] == 'f') && (argv[i][5] == 'a') && (argv[i][6] == 'u') &&
-                 (argv[i][7] == '8') && (argv[i][2] == 't') && (argv[i][9] == '\0')) {
+        else if ((argv[i][0] == '-') && (argv[i][1] == '-') && (argv[i][2] == 'd') && (argv[i][3] == 'e') &&
+                 (argv[i][4] == 'f') && (argv[i][5] == 'a') && (argv[i][6] == 'u') && (argv[i][7] == 'l') &&
+                 (argv[i][8] == 't') && (argv[i][9] == '\0')) {
             defaultSettings = true;
         }
         // tab number
diff --git a/sources/gui/src/mainwindow.cpp b/sources/gui/src/mainwindow.cpp
index 5eec321..ada5895 100644
--- a/sources/gui/src/mainwindow.cpp
+++ b/sources/gui/src/mainwindow.cpp
@@ -18,6 +18,7 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 
+#include <QDebug>
 #include <QFileDialog>
 #include <QFileInfo>
 #include <QProcess>
@@ -44,6 +45,9 @@ MainWindow::MainWindow(QWidget *parent, const bool defaultSettings, const int ta
     : QMainWindow(parent),
       ui(new Ui::MainWindow)
 {
+    qDebug() << "[MainWindow]" << "[MainWindow]" << ":" << QString("defaultSettings") << defaultSettings;
+    qDebug() << "[MainWindow]" << "[MainWindow]" << ":" << QString("tabNum") << tabNum;
+
     ui->setupUi(this);
     ui->tabWidget->setCurrentIndex(tabNum-1);
 
@@ -123,6 +127,7 @@ bool MainWindow::checkExternalApps(const QString apps = QString("all"))
     QProcess command;
     command.start(commandLine.join(QString(" ")));
     command.waitForFinished(-1);
+    qDebug() << "[MainWindow]" << "[checkExternalApps]" << ":" << "Cmd returns" << command.exitCode();
     if (command.exitCode() != 0)
         return false;
     else
@@ -190,6 +195,7 @@ void MainWindow::updateMainTab()
         return;
     }
 
+    qDebug() << "[MainWindow]" << "[updateMainTab]";
     ui->tabWidget->setDisabled(true);
     QList<QStringList> profiles = netctlCommand->getProfileList();;
 
@@ -227,9 +233,13 @@ void MainWindow::updateMainTab()
 
 void MainWindow::updateProfileTab()
 {
+    qDebug() << "[MainWindow]" << "[updateProfileTab]";
     ui->tabWidget->setDisabled(true);
     profileTabClear();
     ui->tabWidget->setEnabled(true);
+    ui->statusBar->showMessage(QApplication::translate("MainWindow", "Updated"));
+
+    update();
 }
 
 
@@ -244,6 +254,7 @@ void MainWindow::updateWifiTab()
 
     QList<QStringList> scanResults = wpaCommand->scanWifi();
 
+    qDebug() << "[MainWindow]" << "[updateWifiTab]";
     ui->tabWidget->setDisabled(true);
     ui->tableWidget_wifi->setSortingEnabled(false);
     ui->tableWidget_wifi->selectRow(-1);
@@ -291,6 +302,7 @@ void MainWindow::mainTabEnableProfile()
     if (ui->tableWidget_main->currentItem() == 0)
         return;
 
+    qDebug() << "[MainWindow]" << "[mainTabEnableProfile]";
     ui->tabWidget->setDisabled(true);
     QString profile = ui->tableWidget_main->item(ui->tableWidget_main->currentItem()->row(), 0)->text();
     netctlCommand->enableProfile(profile);
@@ -320,6 +332,7 @@ void MainWindow::mainTabRestartProfile()
     if (ui->tableWidget_main->currentItem() == 0)
         return;
 
+    qDebug() << "[MainWindow]" << "[mainTabRestartProfile]";
     ui->tabWidget->setDisabled(true);
     QString profile = ui->tableWidget_main->item(ui->tableWidget_main->currentItem()->row(), 0)->text();
     netctlCommand->restartProfile(profile);
@@ -341,6 +354,7 @@ void MainWindow::mainTabStartProfile()
     if (ui->tableWidget_main->currentItem() == 0)
         return;
 
+    qDebug() << "[MainWindow]" << "[mainTabStartProfile]";
     ui->tabWidget->setDisabled(true);
     QString profile = ui->tableWidget_main->item(ui->tableWidget_main->currentItem()->row(), 0)->text();
     netctlCommand->startProfile(profile);
@@ -375,6 +389,7 @@ void MainWindow::mainTabRefreshButtons(QTableWidgetItem *current, QTableWidgetIt
         return;
     }
 
+    qDebug() << "[MainWindow]" << "[mainTabRefreshButtons]";
     ui->pushButton_mainEnable->setEnabled(true);
     ui->pushButton_mainStart->setEnabled(true);
 
@@ -397,6 +412,7 @@ void MainWindow::mainTabRefreshButtons(QTableWidgetItem *current, QTableWidgetIt
 // profile tab slots
 void MainWindow::profileTabBrowseProfile()
 {
+    qDebug() << "[MainWindow]" << "[profileTabBrowseProfile]";
     QString filename = QFileDialog::getSaveFileName(
                 this,
                 QApplication::translate("MainWindow", "Save profile as..."),
@@ -409,6 +425,7 @@ void MainWindow::profileTabBrowseProfile()
 
 void MainWindow::profileTabChangeState(const QString current)
 {
+    qDebug() << "[MainWindow]" << "[profileTabChangeState]";
     if (current == QString("ethernet")) {
         generalWid->setShown(true);
         ipWid->setShown(true);
@@ -523,6 +540,7 @@ void MainWindow::profileTabChangeState(const QString current)
 
 void MainWindow::profileTabClear()
 {
+    qDebug() << "[MainWindow]" << "[profileTabClear]";
     ui->lineEdit_profile->clear();
 
     generalWid->clear();
@@ -669,6 +687,7 @@ void MainWindow::profileTabCreateProfile()
         }
     }
 
+    qDebug() << "[MainWindow]" << "[profileTabCreateProfile]";
     ui->tabWidget->setDisabled(true);
     // read settings
     QString profile = ui->lineEdit_profile->text();
@@ -755,6 +774,7 @@ void MainWindow::profileTabCreateProfile()
 
 void MainWindow::profileTabLoadProfile()
 {
+    qDebug() << "[MainWindow]" << "[profileTabLoadProfile]";
     QString profile = ui->lineEdit_profile->text();
     QMap<QString, QString> settings = netctlProfile->getSettingsFromProfile(profile);
 
@@ -819,6 +839,7 @@ void MainWindow::connectToUnknownEssid(const QString passwd)
     if (!passwd.isEmpty())
         delete passwdWid;
 
+    qDebug() << "[MainWindow]" << "[connectToUnknownEssid]";
     QMap<QString, QString> settings;
     settings[QString("Description")] = QString("'Automatically generated profile by Netctl GUI'");
     settings[QString("Interface")] = wpaCommand->getInterfaceList()[0];
@@ -865,6 +886,7 @@ void MainWindow::wifiTabStart()
         return;
     }
 
+    qDebug() << "[MainWindow]" << "[wifiTabStart]";
     ui->tabWidget->setDisabled(true);
     QString profile = ui->tableWidget_wifi->item(ui->tableWidget_wifi->currentItem()->row(), 0)->text();
     QString item = ui->tableWidget_wifi->item(ui->tableWidget_wifi->currentItem()->row(), 1)->text();
@@ -921,6 +943,7 @@ void MainWindow::wifiTabRefreshButtons(QTableWidgetItem *current, QTableWidgetIt
         return;
     }
 
+    qDebug() << "[MainWindow]" << "[wifiTabRefreshButtons]";
     ui->pushButton_wifiStart->setEnabled(true);
     QString item = ui->tableWidget_wifi->item(current->row(), 1)->text();
     if (checkState(QString("exists"), item)) {
diff --git a/sources/gui/src/netctlinteract.cpp b/sources/gui/src/netctlinteract.cpp
index 53acedf..c47a1ca 100644
--- a/sources/gui/src/netctlinteract.cpp
+++ b/sources/gui/src/netctlinteract.cpp
@@ -17,6 +17,7 @@
 
 #include "netctlinteract.h"
 
+#include <QDebug>
 #include <QFile>
 #include <QProcess>
 
@@ -38,6 +39,43 @@ Netctl::~Netctl()
 }
 
 
+// functions
+QString Netctl::getNetctlOutput(const bool sudo, const QString commandLine, const QString profile)
+{
+    QProcess command;
+    QString commandText;
+    if (sudo)
+        commandText = sudoCommand + QString(" ") + netctlCommand + QString(" ") + commandLine +
+                QString(" ") + profile;
+    else
+        commandText = netctlCommand + QString(" ") + commandLine + QString(" ") + profile;
+    qDebug() << "[Netctl]" << "[getNetctlOutput]" << ":" << "Run cmd" << commandText;
+    command.start(commandText);
+    command.waitForFinished(-1);
+    return command.readAllStandardOutput();
+}
+
+
+bool Netctl::netctlCall(const bool sudo, const QString commandLine, const QString profile)
+{
+    QProcess command;
+    QString commandText;
+    if (sudo)
+        commandText = sudoCommand + QString(" ") + netctlCommand + QString(" ") + commandLine +
+                QString(" ") + profile;
+    else
+        commandText = netctlCommand + QString(" ") + commandLine + QString(" ") + profile;
+    qDebug() << "[Netctl]" << "[netctlCall]" << ":" << "Run cmd" << commandText;
+    command.start(commandText);
+    command.waitForFinished(-1);
+    qDebug() << "[Netctl]" << "[netctlCall]" << ":" << "Cmd returns" << command.exitCode();
+    if (command.exitCode() == 0)
+        return true;
+    else
+        return false;
+}
+
+
 // general information
 QList<QStringList> Netctl::getProfileList()
 {
@@ -62,17 +100,19 @@ QStringList Netctl::getProfileDescriptions(const QStringList profileList)
     QStringList descriptions;
 
     for (int i=0; i<profileList.count(); i++) {
-        QFile profile(profileDirectory->absolutePath() + QDir::separator() + profileList[i]);
+        QString profileUrl = profileDirectory->absolutePath() + QDir::separator() + profileList[i];
+        qDebug() << "[Netctl]" << "[getProfileDescriptions]" << ":" << "Check" << profileUrl;
+        QFile profile(profileUrl);
         QString fileStr;
         if (profile.open(QIODevice::ReadOnly))
             while (true) {
                 fileStr = QString(profile.readLine());
-                if (profile.atEnd())
-                    break;
-                else if (fileStr[0] != '#')
+                if (fileStr[0] != '#')
                     if (fileStr.split(QString("="), QString::SkipEmptyParts).count() == 2)
                         if (fileStr.split(QString("="), QString::SkipEmptyParts)[0] == QString("Description"))
                             descriptions.append(fileStr.split(QString("="), QString::SkipEmptyParts)[1].trimmed());
+                if (profile.atEnd())
+                    break;
             }
         else
             descriptions.append(QString("<unknown>"));
@@ -111,20 +151,22 @@ QStringList Netctl::getProfileStatuses(const QStringList profileList)
 QString Netctl::getSsidFromProfile(const QString profile)
 {
     QString ssidName = QString("");
-    QFile profileFile(profileDirectory->absolutePath() + QDir::separator() + profile);
+    QString profileUrl = profileDirectory->absolutePath() + QDir::separator() + profile;
+    qDebug() << "[Netctl]" << "[getSsidFromProfile]" << ":" << "Check" << profileUrl;
+    QFile profileFile(profileUrl);
     QString fileStr;
     if (!profileFile.open(QIODevice::ReadOnly))
         return ssidName;
 
     while (true) {
         fileStr = QString(profileFile.readLine());
-        if (profileFile.atEnd())
-            break;
-        else if (fileStr[0] != '#') {
+        if (fileStr[0] != '#') {
             if (fileStr.split(QString("="), QString::SkipEmptyParts).count() == 2)
                 if (fileStr.split(QString("="), QString::SkipEmptyParts)[0] == QString("ESSID"))
                     ssidName = fileStr.split(QString("="), QString::SkipEmptyParts)[1].trimmed();
         }
+        if (profileFile.atEnd())
+            break;
     }
 
     profileFile.close();
@@ -138,16 +180,10 @@ QString Netctl::getSsidFromProfile(const QString profile)
 bool Netctl::isProfileActive(const QString profile)
 {
     bool status = false;
-    QProcess command;
-    QString cmdOutput = QString("");
-
-    command.start(netctlCommand + QString(" status ") + profile);
-    command.waitForFinished(-1);
-    cmdOutput = command.readAllStandardOutput();
+    QString cmdOutput = getNetctlOutput(false, QString("status"), profile);
     if (!cmdOutput.isEmpty())
         if (cmdOutput.indexOf(QString("Active: active")) > -1)
             status = true;
-
     return status;
 }
 
@@ -155,12 +191,7 @@ bool Netctl::isProfileActive(const QString profile)
 bool Netctl::isProfileEnabled(const QString profile)
 {
     bool status = false;
-    QProcess command;
-    QString cmdOutput = QString("");
-
-    command.start(netctlCommand + QString(" status ") + profile);
-    command.waitForFinished(-1);
-    cmdOutput = command.readAllStandardOutput();
+    QString cmdOutput = getNetctlOutput(false, QString("status"), profile);
     if (!cmdOutput.isEmpty()) {
         QStringList profileStatus = cmdOutput.split(QString("\n"), QString::SkipEmptyParts);
         for (int i=0; i<profileStatus.count(); i++)
@@ -168,7 +199,6 @@ bool Netctl::isProfileEnabled(const QString profile)
                 if (profileStatus[i].indexOf(QString("enabled")) > -1)
                     status = true;
     }
-
     return status;
 }
 
@@ -176,42 +206,23 @@ bool Netctl::isProfileEnabled(const QString profile)
 // functions
 bool Netctl::enableProfile(const QString profile)
 {
-    QProcess command;
     if (isProfileEnabled(profile))
-        command.start(sudoCommand + QString(" ") + netctlCommand + QString(" disable ") + profile);
+        return netctlCall(true, QString("disable"), profile);
     else
-        command.start(sudoCommand + QString(" ") + netctlCommand + QString(" enable ") + profile);
-    command.waitForFinished(-1);
-    if (command.exitCode() == 0)
-        return true;
-    else
-        return false;
+        return netctlCall(true, QString("enable"), profile);
 }
 
 
 bool Netctl::restartProfile(const QString profile)
 {
-    QProcess command;
-    if (isProfileActive(profile))
-        command.start(sudoCommand + QString(" ") + netctlCommand + QString(" restart ") + profile);
-    command.waitForFinished(-1);
-    if (command.exitCode() == 0)
-        return true;
-    else
-        return false;
+    return netctlCall(true, QString("restart"), profile);
 }
 
 
 bool Netctl::startProfile(const QString profile)
 {
-    QProcess command;
     if (isProfileActive(profile))
-        command.start(sudoCommand + QString(" ") + netctlCommand + QString(" stop ") + profile);
+        return netctlCall(true, QString("stop"), profile);
     else
-        command.start(sudoCommand + QString(" ") + netctlCommand + QString(" start ") + profile);
-    command.waitForFinished(-1);
-    if (command.exitCode() == 0)
-        return true;
-    else
-        return false;
+        return netctlCall(true, QString("start"), profile);
 }
diff --git a/sources/gui/src/netctlinteract.h b/sources/gui/src/netctlinteract.h
index 1499775..76879b0 100644
--- a/sources/gui/src/netctlinteract.h
+++ b/sources/gui/src/netctlinteract.h
@@ -52,6 +52,9 @@ private:
     QString netctlCommand;
     QDir *profileDirectory;
     QString sudoCommand;
+    // functions
+    QString getNetctlOutput(const bool sudo, const QString commandLine, const QString profile);
+    bool netctlCall(const bool sudo, const QString commandLine, const QString profile);
 };
 
 
diff --git a/sources/gui/src/netctlprofile.cpp b/sources/gui/src/netctlprofile.cpp
index 5bc0e6a..bc3ada6 100644
--- a/sources/gui/src/netctlprofile.cpp
+++ b/sources/gui/src/netctlprofile.cpp
@@ -17,6 +17,7 @@
 
 #include "netctlprofile.h"
 
+#include <QDebug>
 #include <QFile>
 #include <QFileInfo>
 #include <QProcess>
@@ -43,7 +44,9 @@ bool NetctlProfile::copyProfile(const QString oldPath)
 {
     QString newPath = profileDirectory->absolutePath() + QDir::separator() + QFileInfo(oldPath).fileName();
     QProcess command;
-    command.start(sudoCommand + QString(" /usr/bin/mv ") + oldPath + QString(" ") + newPath);
+    QString commandText = sudoCommand + QString(" /usr/bin/mv ") + oldPath + QString(" ") + newPath;
+    qDebug() << "[NetctlProfile]" << "[copyProfile]" << ":" << "Run cmd" << commandText;
+    command.start(commandText);
     command.waitForFinished(-1);
     if (command.exitCode() == 0)
         return true;
@@ -58,6 +61,7 @@ QString NetctlProfile::createProfile(const QString profile, const QMap<QString,
     QString profileTempName = QDir::homePath() + QDir::separator() +
             QString(".cache") + QDir::separator() + QFileInfo(profile).fileName();
     QFile profileFile(profileTempName);
+    qDebug() << "[NetctlProfile]" << "[createProfile]" << ":" << "Save to" << profileTempName;
 
     if (!profileFile.open(QIODevice::WriteOnly | QIODevice::Text))
         return profileTempName;
@@ -89,20 +93,19 @@ QString NetctlProfile::createProfile(const QString profile, const QMap<QString,
 QMap<QString, QString> NetctlProfile::getSettingsFromProfile(const QString profile)
 {
     QMap<QString, QString> settings;
-    QFile profileFile;
-    QString fileStr;
-
+    QString fileStr, profileUrl;
     if (profile[0] == QDir::separator())
-        profileFile.setFileName(profile);
+        profileUrl = profile;
     else
-        profileFile.setFileName(profileDirectory->absolutePath() + QDir::separator() + profile);
+        profileUrl = profileDirectory->absolutePath() + QDir::separator() + profile;
+    QFile profileFile(profileUrl);
+    qDebug() << "[NetctlProfile]" << "[getSettingsFromProfile]" << ":" << "Read from" << profileUrl;
+
     if (!profileFile.open(QIODevice::ReadOnly))
         return settings;
     while (true) {
         fileStr = QString(profileFile.readLine());
-        if (profileFile.atEnd())
-            break;
-        else if (fileStr[0] != '#') {
+        if (fileStr[0] != '#') {
             if (fileStr.split(QString("="), QString::SkipEmptyParts).count() == 2) {
                 if ((fileStr.split(QString("="))[1][0] == QChar('(')) &&
                         (fileStr.split(QString("="))[1][fileStr.split(QString("="))[1].size()-2] == QChar(')')))
@@ -124,8 +127,7 @@ QMap<QString, QString> NetctlProfile::getSettingsFromProfile(const QString profi
                                 .trimmed());
                     while(true) {
                         fileStr = QString(profileFile.readLine());
-                        if ((profileFile.atEnd()) ||
-                                (fileStr[fileStr.size()-2] == QChar(')')))
+                        if (fileStr[fileStr.size()-2] == QChar(')'))
                             break;
                         if (!fileStr.remove(QString("("))
                                 .remove(QString(")"))
@@ -134,6 +136,8 @@ QMap<QString, QString> NetctlProfile::getSettingsFromProfile(const QString profi
                             parameter.append(fileStr.remove(QString("("))
                                     .remove(QString(")"))
                                     .trimmed());
+                        if (profileFile.atEnd())
+                            break;
                     }
                     settings[parameterName] = parameter.join(QString("\n"));
                 }
@@ -143,6 +147,8 @@ QMap<QString, QString> NetctlProfile::getSettingsFromProfile(const QString profi
             }
 
         }
+        if (profileFile.atEnd())
+            break;
     }
 
     profileFile.close();
diff --git a/sources/gui/src/passwdwidget.cpp b/sources/gui/src/passwdwidget.cpp
index 4d12f4f..43f431d 100644
--- a/sources/gui/src/passwdwidget.cpp
+++ b/sources/gui/src/passwdwidget.cpp
@@ -42,7 +42,7 @@ PasswdWidget::~PasswdWidget()
 
 
 // ESC press event
-void PasswdWidget::keyPressEvent(const QKeyEvent *pressedKey)
+void PasswdWidget::keyPressEvent(QKeyEvent *pressedKey)
 {
     if (pressedKey->key() == Qt::Key_Escape)
         cancel();
diff --git a/sources/gui/src/passwdwidget.h b/sources/gui/src/passwdwidget.h
index ab71141..fa9ef44 100644
--- a/sources/gui/src/passwdwidget.h
+++ b/sources/gui/src/passwdwidget.h
@@ -50,7 +50,7 @@ private:
     QPushButton *cancelButton;
     QPushButton *okButton;
     // ESC pressed event
-    void keyPressEvent(const QKeyEvent *pressedKey);
+    void keyPressEvent(QKeyEvent *pressedKey);
     void createActions();
 };
 
diff --git a/sources/gui/src/settingswindow.cpp b/sources/gui/src/settingswindow.cpp
index 3166708..d1dbb87 100644
--- a/sources/gui/src/settingswindow.cpp
+++ b/sources/gui/src/settingswindow.cpp
@@ -18,6 +18,7 @@
 #include "settingswindow.h"
 #include "ui_settingswindow.h"
 
+#include <QDebug>
 #include <QFile>
 #include <QFileDialog>
 #include <QTextStream>
@@ -62,7 +63,7 @@ void SettingsWindow::createActions()
 
 
 // ESC press event
-void SettingsWindow::keyPressEvent(const QKeyEvent *pressedKey)
+void SettingsWindow::keyPressEvent(QKeyEvent *pressedKey)
 {
     if (pressedKey->key() == Qt::Key_Escape)
         close();
@@ -200,9 +201,13 @@ QMap<QString, QString> SettingsWindow::readSettings()
     settings[QString("PROFILE_DIR")] = ui->lineEdit_profilePath->text();
     settings[QString("RFKILL_DIR")] = ui->lineEdit_rfkill->text();
     settings[QString("SUDO_PATH")] = ui->lineEdit_sudo->text();
-    settings[QString("WPA_DRIVERS")] = ui->lineEdit_wpaSupDrivers->text();
     settings[QString("WPACLI_PATH")] = ui->lineEdit_wpaCliPath->text();
     settings[QString("WPASUP_PATH")] = ui->lineEdit_wpaSupPath->text();
+    settings[QString("WPA_DRIVERS")] = ui->lineEdit_wpaSupDrivers->text();
+
+    for (int i=0; i<settings.keys().count(); i++)
+        qDebug() << "[SettingsWindow]" << "[readSettings]" << ":" <<
+                    settings.keys()[i] + QString("=") + settings[settings.keys()[i]];
 
     return settings;
 }
@@ -223,9 +228,13 @@ void SettingsWindow::setSettings(const QMap<QString, QString> settings)
     ui->lineEdit_profilePath->setText(settings[QString("PROFILE_DIR")]);
     ui->lineEdit_rfkill->setText(settings[QString("RFKILL_DIR")]);
     ui->lineEdit_sudo->setText(settings[QString("SUDO_PATH")]);
-    ui->lineEdit_wpaSupDrivers->setText(settings[QString("WPA_DRIVERS")]);
     ui->lineEdit_wpaCliPath->setText(settings[QString("WPACLI_PATH")]);
     ui->lineEdit_wpaSupPath->setText(settings[QString("WPASUP_PATH")]);
+    ui->lineEdit_wpaSupDrivers->setText(settings[QString("WPA_DRIVERS")]);
+
+    for (int i=0; i<settings.keys().count(); i++)
+        qDebug() << "[SettingsWindow]" << "[setSettings]" << ":" <<
+                    settings.keys()[i] + QString("=") + settings[settings.keys()[i]];
 }
 
 
@@ -243,9 +252,13 @@ QMap<QString, QString> SettingsWindow::getDefault()
     settings[QString("PROFILE_DIR")] = QString("/etc/netctl/");
     settings[QString("RFKILL_DIR")] = QString("/sys/class/rfkill/");
     settings[QString("SUDO_PATH")] = QString("/usr/bin/kdesu");
-    settings[QString("WPA_DRIVERS")] = QString("nl80211,wext");
     settings[QString("WPACLI_PATH")] = QString("/usr/bin/wpa_cli");
     settings[QString("WPASUP_PATH")] = QString("/usr/bin/wpa_supplicant");
+    settings[QString("WPA_DRIVERS")] = QString("nl80211,wext");
+
+    for (int i=0; i<settings.keys().count(); i++)
+        qDebug() << "[SettingsWindow]" << "[getDefault]" << ":" <<
+                    settings.keys()[i] + QString("=") + settings[settings.keys()[i]];
 
     return settings;
 }
@@ -261,17 +274,21 @@ QMap<QString, QString> SettingsWindow::getSettings()
         return getDefault();
     while (true) {
         fileStr = QString(configFile.readLine());
-        if (configFile.atEnd())
-            break;
-        else if (fileStr[0] != '#') {
+        if (fileStr[0] != '#') {
             if (fileStr.indexOf(QString("=")) > -1)
                 settings[fileStr.split(QString("="))[0]] = fileStr.split(QString("="))[1]
                         .remove(QString(" "))
                         .trimmed();
         }
+        if (configFile.atEnd())
+            break;
     }
 
     configFile.close();
 
+    for (int i=0; i<settings.keys().count(); i++)
+        qDebug() << "[SettingsWindow]" << "[getSettings]" << ":" <<
+                    settings.keys()[i] + QString("=") + settings[settings.keys()[i]];
+
     return settings;
 }
diff --git a/sources/gui/src/settingswindow.h b/sources/gui/src/settingswindow.h
index 8a86e31..faf26fd 100644
--- a/sources/gui/src/settingswindow.h
+++ b/sources/gui/src/settingswindow.h
@@ -61,7 +61,7 @@ private:
     Ui::SettingsWindow *ui;
     void createActions();
     // ESC pressed event
-    void keyPressEvent(const QKeyEvent *pressedKey);
+    void keyPressEvent(QKeyEvent *pressedKey);
     QMap<QString, QString> readSettings();
     void setSettings(const QMap<QString, QString> settings);
 };
diff --git a/sources/gui/src/wirelesswidget.cpp b/sources/gui/src/wirelesswidget.cpp
index a77181d..d04f3e5 100644
--- a/sources/gui/src/wirelesswidget.cpp
+++ b/sources/gui/src/wirelesswidget.cpp
@@ -103,7 +103,7 @@ void WirelessWidget::createActions()
 }
 
 
-void WirelessWidget::keyPressEvent(const QKeyEvent *pressedKey)
+void WirelessWidget::keyPressEvent(QKeyEvent *pressedKey)
 {
     if (pressedKey->key() == Qt::Key_Delete) {
         if (ui->listWidget_wpaConfigSection->hasFocus() &&
diff --git a/sources/gui/src/wirelesswidget.h b/sources/gui/src/wirelesswidget.h
index 31fa450..8bb557a 100644
--- a/sources/gui/src/wirelesswidget.h
+++ b/sources/gui/src/wirelesswidget.h
@@ -55,7 +55,7 @@ private:
     QDir *rfkillDirectory;
     Ui::WirelessWidget *ui;
     void createActions();
-    void keyPressEvent(const QKeyEvent *pressedKey);
+    void keyPressEvent(QKeyEvent *pressedKey);
 };
 
 
diff --git a/sources/gui/src/wpasupinteract.cpp b/sources/gui/src/wpasupinteract.cpp
index 50fab11..0da7a5d 100644
--- a/sources/gui/src/wpasupinteract.cpp
+++ b/sources/gui/src/wpasupinteract.cpp
@@ -17,6 +17,7 @@
 
 #include "wpasupinteract.h"
 
+#include <QDebug>
 #include <QProcess>
 
 #include "mainwindow.h"
@@ -50,6 +51,17 @@ WpaSup::~WpaSup()
 
 
 // general information
+QString WpaSup::existentProfile(const QString profile)
+{
+    QString profileFile = QString("");
+    QList<QStringList> profileList = parent->netctlCommand->getProfileList();
+    for (int i=0; i<profileList.count(); i++)
+        if (profile == parent->netctlCommand->getSsidFromProfile(profileList[i][0]))
+            profileFile = profileList[i][0];
+    return profileFile;
+}
+
+
 QStringList WpaSup::getInterfaceList()
 {
     QStringList interfaces;
@@ -57,43 +69,18 @@ QStringList WpaSup::getInterfaceList()
     if (!mainInterface.isEmpty())
         interfaces.append(mainInterface);
     QStringList allInterfaces = ifaceDirectory->entryList(QDir::Dirs | QDir::NoDotAndDotDot);
-    for (int i=0; i<allInterfaces.count(); i++)
+    for (int i=0; i<allInterfaces.count(); i++) {
+        qDebug() << "[WpaSup]" << "[getInterfaceList]" << ":" << "Check directory"
+                 << ifaceDirectory->path() + QDir::separator() + allInterfaces[i] + QDir::separator() + QString("wireless");
         if (QDir(ifaceDirectory->path() + QDir::separator() + allInterfaces[i] +
                  QDir::separator() + QString("wireless")).exists())
             interfaces.append(allInterfaces[i]);
-
+    }
 
     return interfaces;
 }
 
 
-// functions
-bool WpaSup::wpaCliCall(const QString commandLine)
-{
-    QString interface = getInterfaceList()[0];
-    QProcess command;
-    command.start(wpaCliPath + QString(" -i ") + interface + QString(" -p ") + ctrlDir +
-            QString(" -P ") + pidFile + QString(" ") + commandLine);
-    command.waitForFinished(-1);
-    SleepThread::sleep(1);
-    if (command.exitCode() == 0)
-        return true;
-    else
-        return false;
-}
-
-
-QString WpaSup::getWpaCliOutput(const QString commandLine)
-{
-    QString interface = getInterfaceList()[0];
-    QProcess command;
-    command.start(wpaCliPath + QString(" -i ") + interface + QString(" -p ") + ctrlDir +
-            QString(" -P ") + pidFile + QString(" ") + commandLine);
-    command.waitForFinished(-1);
-    return command.readAllStandardOutput();
-}
-
-
 bool WpaSup::isProfileActive(const QString profile)
 {
     QString profileFile;
@@ -116,44 +103,45 @@ bool WpaSup::isProfileExists(const QString profile)
 }
 
 
-QString WpaSup::existentProfile(const QString profile)
+// functions
+bool WpaSup::wpaCliCall(const QString commandLine)
 {
-    QString profileFile = QString("");
-    QList<QStringList> profileList = parent->netctlCommand->getProfileList();
-    for (int i=0; i<profileList.count(); i++)
-        if (profile == parent->netctlCommand->getSsidFromProfile(profileList[i][0]))
-            profileFile = profileList[i][0];
-    return profileFile;
+    QString interface = getInterfaceList()[0];
+    QProcess command;
+    QString commandText = wpaCliPath + QString(" -i ") + interface + QString(" -p ") + ctrlDir +
+            QString(" -P ") + pidFile + QString(" ") + commandLine;
+    qDebug() << "[WpaSup]" << "[wpaCliCall]" << ":" << "Run cmd" << commandText;
+    command.start(commandText);
+    command.waitForFinished(-1);
+    SleepThread::sleep(1);
+    qDebug() << "[WpaSup]" << "[wpaCliCall]" << ":" << "Cmd returns" << command.exitCode();
+    if (command.exitCode() == 0)
+        return true;
+    else
+        return false;
 }
 
 
-bool WpaSup::startWpaSupplicant()
+QString WpaSup::getWpaCliOutput(const QString commandLine)
 {
-    if (!QFile(pidFile).exists()) {
-        QString interface = getInterfaceList()[0];
-        QProcess command;
-        command.start(sudoCommand + QString(" ") + wpaSupPath + QString(" -B -P ") + pidFile +
-                QString(" -i ") + interface + QString(" -D ") + wpaDrivers +
-                QString(" -C \"DIR=") + ctrlDir + QString(" GROUP=") + ctrlGroup);
-        command.waitForFinished(-1);
-        SleepThread::sleep(1);
-        if (command.exitCode() != 0)
-            return false;
-    }
-    return true;
-}
-
-
-bool WpaSup::stopWpaSupplicant()
-{
-    return wpaCliCall(QString("terminate"));
+    QString interface = getInterfaceList()[0];
+    QProcess command;
+    QString commandText = wpaCliPath + QString(" -i ") + interface + QString(" -p ") + ctrlDir +
+            QString(" -P ") + pidFile + QString(" ") + commandLine;
+    qDebug() << "[WpaSup]" << "[getWpaCliOutput]" << ":" << "Run cmd" << commandText;
+    command.start(commandText);
+    command.waitForFinished(-1);
+    return command.readAllStandardOutput();
 }
 
 
 QList<QStringList> WpaSup::scanWifi()
 {
     QList<QStringList> scanResults;
-    startWpaSupplicant();
+    if (!startWpaSupplicant()) {
+        stopWpaSupplicant();
+        return scanResults;
+    }
     if (!wpaCliCall(QString("scan")))
         return scanResults;
     SleepThread::sleep(3);
@@ -215,3 +203,29 @@ QList<QStringList> WpaSup::scanWifi()
     stopWpaSupplicant();
     return scanResults;
 }
+
+
+bool WpaSup::startWpaSupplicant()
+{
+    if (!QFile(pidFile).exists()) {
+        QString interface = getInterfaceList()[0];
+        QProcess command;
+        QString commandText = sudoCommand + QString(" ") + wpaSupPath + QString(" -B -P ") + pidFile +
+                QString(" -i ") + interface + QString(" -D ") + wpaDrivers +
+                QString(" -C \"DIR=") + ctrlDir + QString(" GROUP=") + ctrlGroup + QString("\"");
+        qDebug() << "[WpaSup]" << "[startWpaSupplicant]" << ":" << "Run cmd" << commandText;
+        command.start(commandText);
+        command.waitForFinished(-1);
+        SleepThread::sleep(1);
+        qDebug() << "[WpaSup]" << "[startWpaSupplicant]" << ":" << "Cmd returns" << command.exitCode();
+        if (command.exitCode() != 0)
+            return false;
+    }
+    return true;
+}
+
+
+bool WpaSup::stopWpaSupplicant()
+{
+    return wpaCliCall(QString("terminate"));
+}
diff --git a/sources/gui/src/wpasupinteract.h b/sources/gui/src/wpasupinteract.h
index 3ba4424..6562a16 100644
--- a/sources/gui/src/wpasupinteract.h
+++ b/sources/gui/src/wpasupinteract.h
@@ -34,19 +34,16 @@ public:
                     const QMap<QString, QString> settings = QMap<QString, QString>());
     ~WpaSup();
     // general information
-    QStringList getInterfaceList();
-    // functions
-    bool wpaCliCall(const QString commandLine);
-    QString getWpaCliOutput(const QString commandLine);
-    bool isProfileExists(const QString profile);
     QString existentProfile(const QString profile);
+    QStringList getInterfaceList();
     bool isProfileActive(const QString profile);
+    bool isProfileExists(const QString profile);
 
 public slots:
     // functions
+    QList<QStringList> scanWifi();
     bool startWpaSupplicant();
     bool stopWpaSupplicant();
-    QList<QStringList> scanWifi();
 
 private:
     MainWindow *parent;
@@ -59,6 +56,9 @@ private:
     QString wpaCliPath;
     QString wpaDrivers;
     QString wpaSupPath;
+    // functions
+    bool wpaCliCall(const QString commandLine);
+    QString getWpaCliOutput(const QString commandLine);
 };