diff --git a/sources/.kdev4/sources.kdev4 b/sources/.kdev4/sources.kdev4
index 587b19d..d7d83c5 100644
--- a/sources/.kdev4/sources.kdev4
+++ b/sources/.kdev4/sources.kdev4
@@ -8,7 +8,7 @@ ProjectRootRelative=./
 
 [CMake][CMake Build Directory 0]
 Build Directory Path=file:///home/arcanis/Documents/github/netctl-gui/build
-Build Type=Debug
+Build Type=Release
 CMake Binary=file:///usr/bin/cmake
 Environment Profile=
 Extra Arguments=
diff --git a/sources/gui/src/errorwindow.cpp b/sources/gui/src/errorwindow.cpp
index 8a9f2a6..7250093 100644
--- a/sources/gui/src/errorwindow.cpp
+++ b/sources/gui/src/errorwindow.cpp
@@ -99,7 +99,7 @@ QStringList ErrorWindow::getMessage(const int mess, const QString custom)
         break;
     case 14:
         title = QApplication::translate("ErrorWindow", "Error!");
-        message = QApplication::translate("ErrorWindow", "APN is not set");
+        message = QApplication::translate("ErrorWindow", "User is not in network group, helper will not be started");
         break;
     case 15:
         title = QApplication::translate("ErrorWindow", "Error!");
diff --git a/sources/gui/src/mainprivateslots.cpp b/sources/gui/src/mainprivateslots.cpp
index 38abb66..b4edeab 100644
--- a/sources/gui/src/mainprivateslots.cpp
+++ b/sources/gui/src/mainprivateslots.cpp
@@ -809,7 +809,7 @@ void MainWindow::profileTabCreateProfile()
             return errorWin->showWindow(12, QString(PDEBUG));
     } else if (generalWid->connectionType->currentText() == QString("mobile_ppp")) {
         if (mobileWid->isOk() == 1)
-            return errorWin->showWindow(14, QString(PDEBUG));
+            return errorWin->showWindow(15, QString(PDEBUG));
         if (mobileWid->isOk() == 2)
             return errorWin->showWindow(7, QString(PDEBUG));
     }
diff --git a/sources/gui/src/settingswindow.cpp b/sources/gui/src/settingswindow.cpp
index 18b1310..411f2b5 100644
--- a/sources/gui/src/settingswindow.cpp
+++ b/sources/gui/src/settingswindow.cpp
@@ -135,6 +135,7 @@ void SettingsWindow::saveSettings()
 
     settings.beginGroup(QString("Helper"));
     settings.setValue(QString("USE_HELPER"), config[QString("USE_HELPER")]);
+    settings.setValue(QString("HELPER_GROUP"), config[QString("HELPER_GROUP")]);
     settings.setValue(QString("FORCE_SUDO"), config[QString("FORCE_SUDO")]);
     settings.setValue(QString("CLOSE_HELPER"), config[QString("CLOSE_HELPER")]);
     settings.setValue(QString("HELPER_PATH"), config[QString("HELPER_PATH")]);
@@ -422,6 +423,7 @@ QMap<QString, QString> SettingsWindow::getSettings(QString fileName)
 
     settings.beginGroup(QString("Helper"));
     config[QString("USE_HELPER")] = settings.value(QString("USE_HELPER"), QString("true")).toString();
+    config[QString("HELPER_GROUP")] = settings.value(QString("HELPER_GROUP"), QString("network")).toString();
     config[QString("FORCE_SUDO")] = settings.value(QString("FORCE_SUDO"), QString("false")).toString();
     config[QString("CLOSE_HELPER")] = settings.value(QString("CLOSE_HELPER"), QString("false")).toString();
     config[QString("HELPER_PATH")] = settings.value(QString("HELPER_PATH"), QString("/usr/bin/netctlgui-helper")).toString();
diff --git a/sources/gui/src/settingswindow.ui b/sources/gui/src/settingswindow.ui
index 2f19661..aeca2ba 100644
--- a/sources/gui/src/settingswindow.ui
+++ b/sources/gui/src/settingswindow.ui
@@ -303,6 +303,24 @@
                 </property>
                </widget>
               </item>
+              <item>
+               <layout class="QHBoxLayout" name="layout_group">
+                <item>
+                 <widget class="QLabel" name="label_group">
+                  <property name="text">
+                   <string>Control group</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="QComboBox" name="comboBox_group">
+                  <property name="toolTip">
+                   <string>Select a language</string>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </item>
               <item>
                <layout class="QHBoxLayout" name="layout_helperPath">
                 <item>
@@ -388,8 +406,8 @@
               <rect>
                <x>0</x>
                <y>0</y>
-               <width>436</width>
-               <height>173</height>
+               <width>462</width>
+               <height>330</height>
               </rect>
              </property>
              <layout class="QVBoxLayout" name="verticalLayout_2">
@@ -575,8 +593,8 @@
               <rect>
                <x>0</x>
                <y>0</y>
-               <width>436</width>
-               <height>45</height>
+               <width>462</width>
+               <height>330</height>
               </rect>
              </property>
              <layout class="QVBoxLayout" name="verticalLayout_9">
@@ -645,8 +663,8 @@
               <rect>
                <x>0</x>
                <y>0</y>
-               <width>277</width>
-               <height>194</height>
+               <width>462</width>
+               <height>330</height>
               </rect>
              </property>
              <layout class="QVBoxLayout" name="verticalLayout_10">
@@ -842,8 +860,8 @@
               <rect>
                <x>0</x>
                <y>0</y>
-               <width>436</width>
-               <height>107</height>
+               <width>462</width>
+               <height>330</height>
               </rect>
              </property>
              <layout class="QVBoxLayout" name="verticalLayout_11">
diff --git a/sources/helper/netctl-gui.conf b/sources/helper/netctl-gui.conf
index 53be7d1..3077f9a 100644
--- a/sources/helper/netctl-gui.conf
+++ b/sources/helper/netctl-gui.conf
@@ -1,63 +1,81 @@
 # Configuration file for Netctl GUI project
+# man 5 netctl-gui.conf
 # /etc/netctl-gui.conf - system-wide configuration
 # $HOME/.config/netctl-gui.conf - user configuration
 
+[General]
+# application language
+LANGUAGE=en
+# create system tray icon.
+# This option is not recognized by netctlgui-helper
+SYSTRAY=true
 # close helper after GUI application quit.
 # This option is not recognized by netctlgui-helper
 CLOSETOTRAY=true
+# start netctl-gui minimized to tray if it is available.
+# This option is not recognized by netctlgui-helper
+STARTTOTRAY=false
+# skip external components checking
+# This option is not recognized by netctlgui-helper
+SKIPCOMPONENTS=false
+
+[Helper]
+# use netctlgui-helper if it is available.
+# This option is not recognized by netctlgui-helper
+USE_HELPER=true
+# group which allows to control helper, refer to DBus configuration
+# This option is not recognized by netctlgui-helper
+HELPER_GROUP=network
+# force use SUDO_PATH for helper instead of using setuid(3) to child processes
+FORCE_SUDO=false
 # hide application to tray on exit if tray is available.
 # This option is not recognized by netctlgui-helper
 CLOSE_HELPER=false
-# path to control directory which is required by wpa_supplicant
-CTRL_DIR=/run/wpa_supplicant_netctl-gui
-# group which is owner of CTRL_DIR
-CTRL_GROUP=users
-# force use SUDO_PATH for helper instead of using setuid(3) to child processes
-FORCE_SUDO=false
 # path to netctlgui-helper.
 # This option is not recognized by netctlgui-helper
 HELPER_PATH=/usr/bin/netctlgui-helper
 # netctlgui-helper service name.
 # This option is not recognized by netctlgui-helper
 HELPER_SERVICE=netctlgui-helper.service
-# path to directory which contains interface information
-IFACE_DIR=/sys/class/net/
-# application language
-LANGUAGE=en
+
+[netctl]
+# path to systemctl
+SYSTEMCTL_PATH=/usr/bin/systemctl
+# path to netctl
+NETCTL_PATH=/usr/bin/netctl
 # path to netctl-auto
 NETCTLAUTO_PATH=/usr/bin/netctl-auto
 # netctl-auto service name without .service suffix
 NETCTLAUTO_SERVICE=netctl-auto
-# path to netctl
-NETCTL_PATH=/usr/bin/netctl
-# wpa_supplicant PID file
-PID_FILE=/run/wpa_supplicant_netctl-gui.pid
-# prefered wireless interface
-PREFERED_IFACE=
 # path to netctl profile directory
 PROFILE_DIR=/etc/netctl/
+
+[sudo]
+# path to sudo frontend
+SUDO_PATH=/usr/bin/sudo
+
+[wpa_supplicant]
+# path to wpa_supplicant
+WPASUP_PATH=/usr/bin/wpa_supplicant
+# path to wpa_cli
+WPACLI_PATH=/usr/bin/wpa_cli
+# wpa_supplicant PID file
+PID_FILE=/run/wpa_supplicant_netctl-gui.pid
+# wpa_supplicant drivers for wireless interface comma separated
+WPA_DRIVERS=nl80211,wext
+# path to control directory which is required by wpa_supplicant
+CTRL_DIR=/run/wpa_supplicant_netctl-gui
+# group which is owner of CTRL_DIR
+CTRL_GROUP=users
+
+[Other]
+# path to directory which contains interface information
+IFACE_DIR=/sys/class/net/
 # path to directory with rfkill devices.
 # This option is not recognized by netctlgui-helper
 RFKILL_DIR=/sys/class/rfkill/
-# skip external components checking
-# This option is not recognized by netctlgui-helper
-SKIPCOMPONENTS=false
-# start netctl-gui minimized to tray if it is available.
-# This option is not recognized by netctlgui-helper
-STARTTOTRAY=false
-# path to sudo frontend
-SUDO_PATH=/usr/bin/sudo
-# path to systemctl
-SYSTEMCTL_PATH=/usr/bin/systemctl
-# create system tray icon.
-# This option is not recognized by netctlgui-helper
-SYSTRAY=true
-# use netctlgui-helper if it is available.
-# This option is not recognized by netctlgui-helper
-USE_HELPER=true
-# path to wpa_cli
-WPACLI_PATH=/usr/bin/wpa_cli
-# path to wpa_supplicant
-WPASUP_PATH=/usr/bin/wpa_supplicant
-# wpa_supplicant drivers for wireless interface comma separated
-WPA_DRIVERS=nl80211,wext
+# prefered wireless interface
+PREFERED_IFACE=
+
+
+
diff --git a/sources/helper/src/netctlhelper.cpp b/sources/helper/src/netctlhelper.cpp
index 1b462dd..3607a1a 100644
--- a/sources/helper/src/netctlhelper.cpp
+++ b/sources/helper/src/netctlhelper.cpp
@@ -144,6 +144,7 @@ QMap<QString, QString> NetctlHelper::getSettings(const QString file)
 
     settings.beginGroup(QString("Helper"));
     config[QString("USE_HELPER")] = settings.value(QString("USE_HELPER"), QString("true")).toString();
+    config[QString("HELPER_GROUP")] = settings.value(QString("HELPER_GROUP"), QString("network")).toString();
     config[QString("FORCE_SUDO")] = settings.value(QString("FORCE_SUDO"), QString("false")).toString();
     config[QString("CLOSE_HELPER")] = settings.value(QString("CLOSE_HELPER"), QString("false")).toString();
     config[QString("HELPER_PATH")] = settings.value(QString("HELPER_PATH"), QString("/usr/bin/netctlgui-helper")).toString();