diff --git a/sources/3rdparty/task/taskadds.cpp b/sources/3rdparty/task/taskadds.cpp
index b8a8165..dc6ef97 100644
--- a/sources/3rdparty/task/taskadds.cpp
+++ b/sources/3rdparty/task/taskadds.cpp
@@ -22,7 +22,7 @@
 TaskResult runTask(const QString cmd)
 {
     return Task::await<TaskResult>( [ & ]() {
-        QProcess command;
+        SandboxProcess command;
         command.start(cmd);
         command.waitForFinished(-1);
         TaskResult r;
diff --git a/sources/3rdparty/task/taskadds.h b/sources/3rdparty/task/taskadds.h
index 6de905b..617d47c 100644
--- a/sources/3rdparty/task/taskadds.h
+++ b/sources/3rdparty/task/taskadds.h
@@ -20,10 +20,21 @@
 #define TASKADDS_H
 
 #include <QProcess>
+#include <unistd.h>
 
 #include "task.h"
 
 
+class SandboxProcess : public QProcess
+{
+ protected:
+    void setupChildProcess()
+    {
+        ::setuid(0);
+    };
+};
+
+
 struct TaskResult
 {
     int exitCode;
diff --git a/sources/gui/bash-completions b/sources/gui/bash-completions
index 01589fa..9213366 100644
--- a/sources/gui/bash-completions
+++ b/sources/gui/bash-completions
@@ -18,7 +18,7 @@
 
 # variables
 _netctl_gui_arglist=(
-    '--daemonized'
+    '--daemon'
     '--maximized'
     '--minimized'
     '--about'
diff --git a/sources/gui/src/CMakeLists.txt b/sources/gui/src/CMakeLists.txt
index 27d1e48..cfc89cf 100644
--- a/sources/gui/src/CMakeLists.txt
+++ b/sources/gui/src/CMakeLists.txt
@@ -60,4 +60,5 @@ endif()
 add_executable (${SUBPROJECT} ${UI_HEADERS} ${HEADERS} ${SOURCES} ${MOC_SOURCES} ${QRC_SOURCES} ${TRANSLATIONS})
 target_link_libraries (${SUBPROJECT} ${PROJECT_LIBRARY} ${QT_NEEDED_LIBS})
 # install properties
-install (TARGETS ${SUBPROJECT} DESTINATION bin)
+install (TARGETS ${SUBPROJECT} DESTINATION bin 
+         PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE SETUID)
diff --git a/sources/gui/src/main.cpp b/sources/gui/src/main.cpp
index 8daabe3..4e50494 100644
--- a/sources/gui/src/main.cpp
+++ b/sources/gui/src/main.cpp
@@ -19,6 +19,7 @@
 #include <QApplication>
 #include <QDBusConnection>
 #include <QDBusMessage>
+#include <QDebug>
 #include <QDir>
 #include <QTranslator>
 #include <iostream>
@@ -54,6 +55,10 @@ int main(int argc, char *argv[])
             daemon(0, 0);
             break;
         }
+#if QT_VERSION >= 0x050000
+    QApplication::setSetuidAllowed(true);
+    qDebug() << QApplication::isSetuidAllowed();
+#endif
     QApplication a(argc, argv);
     QApplication::setQuitOnLastWindowClosed(false);
     // check if exists
diff --git a/sources/gui/src/mainwindow.cpp b/sources/gui/src/mainwindow.cpp
index 6c338ce..cb7d40a 100644
--- a/sources/gui/src/mainwindow.cpp
+++ b/sources/gui/src/mainwindow.cpp
@@ -52,6 +52,9 @@
 #include "vlanwidget.h"
 #include "wirelesswidget.h"
 
+#include <polkit-qt5-1/polkitqt1-authority.h>
+#include <polkit-qt5-1/polkitqt1-subject.h>
+
 
 MainWindow::MainWindow(QWidget *parent,
                        const QMap<QString, QVariant> args,
@@ -78,7 +81,6 @@ MainWindow::MainWindow(QWidget *parent,
         isDaemon = true;
     else
         isDaemon = false;
-    createDBusSession();
     updateConfiguration(args);
 
     // main actions
@@ -117,7 +119,6 @@ MainWindow::~MainWindow()
 {
     if (debug) qDebug() << "[MainWindow]" << "[~MainWindow]";
 
-    QDBusConnection::sessionBus().unregisterService(QString(DBUS_SERVICE));
     deleteObjects();
 }
 
@@ -294,6 +295,7 @@ void MainWindow::createObjects()
     if (debug) qDebug() << "[MainWindow]" << "[createObjects]";
 
     // backend
+    createDBusSession();
     netctlCommand = new Netctl(debug, configuration);
     netctlProfile = new NetctlProfile(debug, configuration);
     wpaCommand = new WpaSup(debug, configuration);
@@ -340,6 +342,7 @@ void MainWindow::deleteObjects()
 {
     if (debug) qDebug() << "[MainWindow]" << "[deleteObjects]";
 
+    QDBusConnection::sessionBus().unregisterService(QString(DBUS_SERVICE));
     if (netctlCommand != nullptr) delete netctlCommand;
     if (netctlProfile != nullptr) delete netctlProfile;
     if (wpaCommand != nullptr) delete wpaCommand;
diff --git a/sources/gui/src/messages.h b/sources/gui/src/messages.h
index fe8b1f3..6535478 100644
--- a/sources/gui/src/messages.h
+++ b/sources/gui/src/messages.h
@@ -19,7 +19,9 @@
 #define MESSAGES_H
 
 #include <QChar>
+#include <QMap>
 #include <QString>
+#include <QVariant>
 
 
 QString errorMessage();
diff --git a/sources/gui/zsh-completions b/sources/gui/zsh-completions
index 7499a95..4fa2be5 100644
--- a/sources/gui/zsh-completions
+++ b/sources/gui/zsh-completions
@@ -19,7 +19,7 @@
 
 # variables
 _netctl_gui_arglist=(
-    {'--daemonized','--daemonized'}'[start daemonized]'
+    {'--daemon','--daemon'}'[start as daemon]'
     {'--maximized','--maximized'}'[start maximized]'
     {'--minimized','--minimized'}'[start minimized to tray]'
     {'--about','--about'}'[show about window]'
diff --git a/sources/netctlgui/src/netctlinteract.cpp b/sources/netctlgui/src/netctlinteract.cpp
index fb309ae..fb74475 100644
--- a/sources/netctlgui/src/netctlinteract.cpp
+++ b/sources/netctlgui/src/netctlinteract.cpp
@@ -97,10 +97,6 @@ bool Netctl::cmdCall(const bool sudo, const QString command, const QString comma
         if (debug) qDebug() << "[Netctl]" << "[cmdCall]" << ":" << "Could not find command";
         return false;
     }
-    if ((sudo) && (sudoCommand == 0)) {
-        if (debug) qDebug() << "[Netctl]" << "[cmdCall]" << ":" << "Could not find sudo";
-        return false;
-    }
 
     QString cmd = QString("");
     if (sudo) cmd = sudoCommand + QString(" ");
@@ -130,10 +126,6 @@ QString Netctl::getCmdOutput(const bool sudo, const QString command, const QStri
         if (debug) qDebug() << "[Netctl]" << "[getCmdOutput]" << ":" << "Could not find command";
         return QString();
     }
-    if ((sudo) && (sudoCommand == 0)) {
-        if (debug) qDebug() << "[Netctl]" << "[getCmdOutput]" << ":" << "Could not find sudo";
-        return QString();
-    }
 
     QString cmd = QString("");
     if (sudo) cmd = sudoCommand + QString(" ");
diff --git a/sources/netctlgui/src/netctlprofile.cpp b/sources/netctlgui/src/netctlprofile.cpp
index d2b2346..92019a3 100644
--- a/sources/netctlgui/src/netctlprofile.cpp
+++ b/sources/netctlgui/src/netctlprofile.cpp
@@ -74,10 +74,6 @@ bool NetctlProfile::copyProfile(const QString oldPath)
         if (debug) qDebug() << "[NetctlProfile]" << "[copyProfile]" << ":" << "Could not find directory";
         return false;
     }
-    if (sudoCommand == 0) {
-        if (debug) qDebug() << "[NetctlProfile]" << "[copyProfile]" << ":" << "Could not find sudo";
-        return false;
-    }
 
     QString newPath = profileDirectory->absolutePath() + QDir::separator() + QFileInfo(oldPath).fileName();
     QString cmd = sudoCommand + QString(" /usr/bin/mv ") + oldPath + QString(" ") + newPath;
@@ -213,10 +209,6 @@ bool NetctlProfile::removeProfile(const QString profile)
         if (debug) qDebug() << "[NetctlProfile]" << "[removeProfile]" << ":" << "Could not find directory";
         return false;
     }
-    if (sudoCommand == 0) {
-        if (debug) qDebug() << "[NetctlProfile]" << "[removeProfile]" << ":" << "Could not find sudo";
-        return false;
-    }
 
     QString profilePath = profileDirectory->absolutePath() + QDir::separator() + QFileInfo(profile).fileName();
     QString cmd = sudoCommand + QString(" /usr/bin/rm ") + profilePath;
diff --git a/sources/netctlgui/src/wpasupinteract.cpp b/sources/netctlgui/src/wpasupinteract.cpp
index 202721d..3a1d651 100644
--- a/sources/netctlgui/src/wpasupinteract.cpp
+++ b/sources/netctlgui/src/wpasupinteract.cpp
@@ -249,10 +249,6 @@ bool WpaSup::startWpaSupplicant()
         if (debug) qDebug() << "[WpaSup]" << "[startWpaSupplicant]" << ":" << "Could not find PID file";
         return false;
     }
-    if (sudoCommand == 0) {
-        if (debug) qDebug() << "[WpaSup]" << "[startWpaSupplicant]" << ":" << "Could not find sudo";
-        return false;
-    }
     if (wpaDrivers == 0) {
         if (debug) qDebug() << "[WpaSup]" << "[startWpaSupplicant]" << ":" << "Could not find drivers";
         return false;