diff --git a/app/ui/main_app_window.py b/app/ui/main_app_window.py
index 67b14ede..531c759e 100644
--- a/app/ui/main_app_window.py
+++ b/app/ui/main_app_window.py
@@ -88,6 +88,7 @@ class MainAppWindow:
                     "on_fav_tree_view_drag_data_get": self.on_fav_tree_view_drag_data_get,
                     "on_fav_tree_view_drag_data_received": self.on_fav_tree_view_drag_data_received,
                     "on_view_popup_menu": self.on_view_popup_menu,
+                    "on_popover_release": self.on_popover_release,
                     "on_view_focus": self.on_view_focus,
                     "on_hide": self.on_hide,
                     "on_locked": self.on_locked,
@@ -234,6 +235,7 @@ class MainAppWindow:
     def on_down(self, item):
         self.move_items(Gdk.KEY_Down)
 
+    @run_idle
     def on_about_app(self, item):
         show_dialog(DialogType.ABOUT, self._main_window)
 
@@ -534,24 +536,26 @@ class MainAppWindow:
 
             menu.popup(None, None, None, None, event.button, event.time)
 
+    def on_popover_release(self, menu, event):
+        """ Hides popover after mouse click. Used if element of Popover menu is Gtk.Button! """
+        menu.popdown()
+
     @run_idle
     def on_satellite_editor_show(self, model):
         """ Shows satellites editor dialog """
         show_satellites_dialog(self._main_window, self._options.get(self._profile))
 
+    @run_idle
     def on_data_open(self, model):
         response = show_dialog(DialogType.CHOOSER, self._main_window, options=self._options.get(self._profile))
         if response in (Gtk.ResponseType.CANCEL, Gtk.ResponseType.DELETE_EVENT):
             return
         self.open_data(response)
 
-    @run_idle
     def open_data(self, data_path=None):
         """ Opening data and fill views. """
         self._wait_dialog.show()
         self.clear_current_data()
-        self._current_bq_name = None
-        self._bq_name_label.set_text("")
 
         data_path = self._options.get(self._profile).get("data_dir_path") if data_path is None else data_path
         try:
@@ -619,7 +623,10 @@ class MainAppWindow:
         self._services.clear()
         self._rows_buffer.clear()
         self._bouquets.clear()
+        self._current_bq_name = None
+        self._bq_name_label.set_text("")
 
+    @run_idle
     def on_data_save(self, *args):
         if show_dialog(DialogType.QUESTION, self._main_window) == Gtk.ResponseType.CANCEL:
             return
diff --git a/app/ui/main_window.glade b/app/ui/main_window.glade
index 0aa98bfd..e9f1a463 100644
--- a/app/ui/main_window.glade
+++ b/app/ui/main_window.glade
@@ -170,6 +170,7 @@ Author: Dmitriy Yefremov
   </object>
   <object class="GtkPopoverMenu" id="left_header_popover_menu">
     <property name="can_focus">False</property>
+    <signal name="button-release-event" handler="on_popover_release" swapped="no"/>
     <child>
       <object class="GtkFrame" id="left_popover_munu_frame">
         <property name="visible">True</property>
@@ -494,6 +495,7 @@ Author: Dmitriy Yefremov
   </object>
   <object class="GtkPopoverMenu" id="right_header_popover_menu">
     <property name="can_focus">False</property>
+    <signal name="button-release-event" handler="on_popover_release" swapped="no"/>
     <child>
       <object class="GtkFrame" id="right_popover_munu_frame">
         <property name="visible">True</property>
@@ -980,14 +982,14 @@ Author: Dmitriy Yefremov
               </packing>
             </child>
             <child>
-              <object class="GtkButton">
+              <object class="GtkButton" id="sat_editor_header_button">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="receives_default">True</property>
                 <property name="tooltip_text" translatable="yes">Satellites editor</property>
                 <signal name="clicked" handler="on_satellite_editor_show" swapped="no"/>
                 <child>
-                  <object class="GtkImage">
+                  <object class="GtkImage" id="sat_editor_header_button_image">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="stock">gtk-select-all</property>
@@ -1001,14 +1003,14 @@ Author: Dmitriy Yefremov
               </packing>
             </child>
             <child>
-              <object class="GtkButton">
+              <object class="GtkButton" id="picons_downloader_header_button">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="receives_default">True</property>
                 <property name="tooltip_text" translatable="yes">Picons downloader</property>
                 <signal name="clicked" handler="on_picons_loader_show" swapped="no"/>
                 <child>
-                  <object class="GtkImage">
+                  <object class="GtkImage" id="picons_downloader_header_button_image">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="icon_name">insert-image</property>
@@ -1022,14 +1024,14 @@ Author: Dmitriy Yefremov
               </packing>
             </child>
             <child>
-              <object class="GtkButton">
+              <object class="GtkButton" id="import_m3u_header_button">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="receives_default">True</property>
                 <property name="tooltip_text" translatable="yes">Import m3u file</property>
                 <signal name="clicked" handler="on_import_m3u" swapped="no"/>
                 <child>
-                  <object class="GtkImage">
+                  <object class="GtkImage" id="import_m3u_header_button_image">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="icon_name">insert-link</property>
@@ -1043,7 +1045,7 @@ Author: Dmitriy Yefremov
               </packing>
             </child>
             <child>
-              <object class="GtkMenuButton">
+              <object class="GtkMenuButton" id="right_menu_header_button">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="receives_default">True</property>
diff --git a/app/ui/satellites_dialog.py b/app/ui/satellites_dialog.py
index 23dc9999..9f6cf0f8 100644
--- a/app/ui/satellites_dialog.py
+++ b/app/ui/satellites_dialog.py
@@ -61,7 +61,6 @@ class SatellitesDialog:
                         6: builder.get_object("mod_store")}
         self.on_satellites_list_load(self._sat_view.get_model())
 
-    @run_idle
     def show(self):
         self._dialog.run()
         self._dialog.destroy()
diff --git a/deb/DEBIAN/control b/deb/DEBIAN/control
index 7e5ff943..673d6eef 100644
--- a/deb/DEBIAN/control
+++ b/deb/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: DemonEditor
-Version: 0.3.2-Pre-alpha
+Version: 0.4.0-Pre-alpha
 Section: utils
 Priority: optional
 Architecture: all