diff --git a/tests/tests.py b/tests/tests.py
index b61553e..1047de4 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -4,7 +4,7 @@ from db.database import History
 from toxygen.smileys import SmileyLoader
 from messenger.messages import *
 import user_data.toxes as encr
-import toxygen.util as util
+import toxygen.utils as util
 import time
 
 
diff --git a/toxygen/app.py b/toxygen/app.py
index 7215a7a..d5fd513 100644
--- a/toxygen/app.py
+++ b/toxygen/app.py
@@ -2,7 +2,7 @@ from middleware import threads
 import middleware.callbacks as callbacks
 from PyQt5 import QtWidgets, QtGui, QtCore
 import ui.password_screen as password_screen
-from util.util import *
+from utils.util import *
 import updater.updater as updater
 import os
 from middleware.tox_factory import tox_factory
@@ -14,8 +14,8 @@ from user_data.profile_manager import ProfileManager
 from plugin_support.plugin_support import PluginLoader
 from ui.main_screen import MainWindow
 from ui import tray
-import util.ui as util_ui
-import util.util as util
+import utils.ui as util_ui
+import utils.util as util
 from contacts.profile import Profile
 from file_transfers.file_transfers_handler import FileTransfersHandler
 from contacts.contact_provider import ContactProvider
diff --git a/toxygen/bootstrap/bootstrap.py b/toxygen/bootstrap/bootstrap.py
index 2e5d3dc..6c34e0e 100644
--- a/toxygen/bootstrap/bootstrap.py
+++ b/toxygen/bootstrap/bootstrap.py
@@ -1,6 +1,6 @@
 import random
 import urllib.request
-from util.util import *
+from utils.util import *
 from PyQt5 import QtNetwork, QtCore
 import json
 
diff --git a/toxygen/common/event.py b/toxygen/common/event.py
index 75c29a5..e3ecbf9 100644
--- a/toxygen/common/event.py
+++ b/toxygen/common/event.py
@@ -6,7 +6,7 @@ class Event:
         self._callbacks = set()
 
     def __iadd__(self, callback):
-        self._callbacks.add(callback)
+        self.add_callback(callback)
 
     def __isub__(self, callback):
         self.remove_callback(callback)
diff --git a/toxygen/common/tox_save.py b/toxygen/common/tox_save.py
new file mode 100644
index 0000000..5d4cee0
--- /dev/null
+++ b/toxygen/common/tox_save.py
@@ -0,0 +1,9 @@
+
+
+class ToxSave:
+
+    def __init__(self, tox):
+        self._tox = tox
+
+    def set_tox(self, tox):
+        self._tox = tox
diff --git a/toxygen/contacts/basecontact.py b/toxygen/contacts/basecontact.py
index fd084d7..44a18b3 100644
--- a/toxygen/contacts/basecontact.py
+++ b/toxygen/contacts/basecontact.py
@@ -1,7 +1,7 @@
 from user_data.settings import *
 from PyQt5 import QtCore, QtGui
 from wrapper.toxcore_enums_and_consts import TOX_PUBLIC_KEY_SIZE
-import util.util as util
+import utils.util as util
 import common.event as event
 
 
@@ -24,10 +24,11 @@ class BaseContact:
         self._name, self._status_message = name, status_message
         self._status, self._widget = None, widget
         self._tox_id = tox_id
-        self.init_widget()
         self._name_changed_event = event.Event()
         self._status_message_changed_event = event.Event()
         self._status_changed_event = event.Event()
+        self._avatar_changed_event = event.Event()
+        self.init_widget()
 
     # -----------------------------------------------------------------------------------------------------------------
     # Name - current name or alias of user
@@ -116,6 +117,7 @@ class BaseContact:
         self._widget.avatar_label.setPixmap(pixmap.scaled(width, width, QtCore.Qt.KeepAspectRatio,
                                                           QtCore.Qt.SmoothTransformation))
         self._widget.avatar_label.repaint()
+        self._avatar_changed_event(avatar_path)
 
     def reset_avatar(self):
         avatar_path = self.get_avatar_path()
@@ -143,13 +145,18 @@ class BaseContact:
     @staticmethod
     def get_default_avatar_name():
         return 'avatar.png'
+
+    def get_avatar_changed_event(self):
+        return self._avatar_changed_event
+
+    avatar_changed_event = property(get_avatar_changed_event)
+
     # -----------------------------------------------------------------------------------------------------------------
     # Widgets
     # -----------------------------------------------------------------------------------------------------------------
 
     def init_widget(self):
-        if self._widget is not None:
-            self._widget.name.setText(self._name)
-            self._widget.status_message.setText(self._status_message)
-            self._widget.connection_status.update(self._status)
-            self.load_avatar()
+        self._widget.name.setText(self._name)
+        self._widget.status_message.setText(self._status_message)
+        self._widget.connection_status.update(self._status)
+        self.load_avatar()
diff --git a/toxygen/contacts/contact.py b/toxygen/contacts/contact.py
index c9274ac..43f7728 100644
--- a/toxygen/contacts/contact.py
+++ b/toxygen/contacts/contact.py
@@ -1,6 +1,6 @@
 from history.database import *
 from contacts import basecontact, common
-import util.util as util
+import utils.util as util
 from messenger.messages import *
 from file_transfers import file_transfers as ft
 import re
diff --git a/toxygen/contacts/contact_provider.py b/toxygen/contacts/contact_provider.py
index 82cf6e7..5042f97 100644
--- a/toxygen/contacts/contact_provider.py
+++ b/toxygen/contacts/contact_provider.py
@@ -1,7 +1,8 @@
-import util.util as util
+import utils.util as util
+import common.tox_save as tox_save
 
 
-class ContactProvider(util.ToxSave):
+class ContactProvider(tox_save.ToxSave):
 
     def __init__(self, tox, friend_factory):
         super().__init__(tox)
@@ -50,7 +51,7 @@ class ContactProvider(util.ToxSave):
     # -----------------------------------------------------------------------------------------------------------------
 
     def get_all(self):
-        return self.get_all_friends() + self.get_all_gc()
+        return self.get_all_friends() + self.get_all_groups()
 
     # -----------------------------------------------------------------------------------------------------------------
     # Caching
diff --git a/toxygen/contacts/contacts_manager.py b/toxygen/contacts/contacts_manager.py
index 818ae88..464d448 100644
--- a/toxygen/contacts/contacts_manager.py
+++ b/toxygen/contacts/contacts_manager.py
@@ -1,8 +1,7 @@
-import util.util as util
-import util.ui as util_ui
+import utils.util as util
+import utils.ui as util_ui
 from contacts.friend import Friend
 from PyQt5 import QtCore, QtGui
-from messenger.messages import *
 from wrapper.toxcore_enums_and_consts import *
 from history.history_loader import HistoryLoader
 
@@ -440,9 +439,27 @@ class ContactsManager:
 
     def _subscribe_to_events(self, contact):
         contact.name_changed_event.add_callback(self._current_contact_name_changed)
+        contact.status_changed_event.add_callback(self._current_contact_status_changed)
+        contact.status_message_changed_event.add_callback(self._current_contact_status_message_changed)
+        contact.avatar_changed_event.add_callback(self._current_contact_avatar_changed)
 
     def _unsubscribe_from_events(self, contact):
         contact.name_changed_event.remove_callback(self._current_contact_name_changed)
+        contact.status_changed_event.remove_callback(self._current_contact_status_changed)
+        contact.status_message_changed_event.remove_callback(self._current_contact_status_message_changed)
+        contact.avatar_changed_event.remove_callback(self._current_contact_avatar_changed)
 
     def _current_contact_name_changed(self, name):
         self._screen.account_name.setText(name)
+
+    def _current_contact_status_changed(self, status):
+        pass
+
+    def _current_contact_status_message_changed(self, status_message):
+        self._screen.account_status.setText(status_message)
+
+    def _current_contact_avatar_changed(self, avatar_path):
+        width = self._screen.account_avatar.width()
+        pixmap = QtGui.QPixmap(avatar_path)
+        self._screen.account_avatar.avatar_label.setPixmap(pixmap.scaled(width, width, QtCore.Qt.KeepAspectRatio,
+                                                                         QtCore.Qt.SmoothTransformation))
diff --git a/toxygen/contacts/group_chat.py b/toxygen/contacts/group_chat.py
index b247281..5121be7 100644
--- a/toxygen/contacts/group_chat.py
+++ b/toxygen/contacts/group_chat.py
@@ -1,5 +1,5 @@
 from contacts import contact
-import util.util as util
+import utils.util as util
 from PyQt5 import QtGui, QtCore
 from wrapper import toxcore_enums_and_consts as constants
 
diff --git a/toxygen/contacts/profile.py b/toxygen/contacts/profile.py
index cfeae94..8102f56 100644
--- a/toxygen/contacts/profile.py
+++ b/toxygen/contacts/profile.py
@@ -5,7 +5,7 @@ from file_transfers.file_transfers import *
 import time
 from contacts import basecontact
 from contacts.group_chat import *
-import util.ui as util_ui
+import utils.ui as util_ui
 
 
 class Profile(basecontact.BaseContact):
diff --git a/toxygen/file_transfers/file_transfers_handler.py b/toxygen/file_transfers/file_transfers_handler.py
index 5d9b052..c4ab8b0 100644
--- a/toxygen/file_transfers/file_transfers_handler.py
+++ b/toxygen/file_transfers/file_transfers_handler.py
@@ -3,7 +3,7 @@ from messenger.messages import *
 from history.database import MESSAGE_AUTHOR
 from ui.list_items import *
 from PyQt5 import QtWidgets
-import util.util as util
+import utils.util as util
 
 
 class FileTransfersHandler:
diff --git a/toxygen/history/database.py b/toxygen/history/database.py
index 188e85b..bf593d8 100644
--- a/toxygen/history/database.py
+++ b/toxygen/history/database.py
@@ -1,6 +1,6 @@
 from sqlite3 import connect
 import os.path
-import util.util as util
+import utils.util as util
 
 
 TIMEOUT = 11
diff --git a/toxygen/history/history_logs_generators.py b/toxygen/history/history_logs_generators.py
index 3e46562..b8d0a56 100644
--- a/toxygen/history/history_logs_generators.py
+++ b/toxygen/history/history_logs_generators.py
@@ -1,5 +1,5 @@
 from messenger.messages import *
-import util.util as util
+import utils.util as util
 
 
 class HistoryLogsGenerator:
diff --git a/toxygen/main.py b/toxygen/main.py
index 5ecbd77..232ad93 100644
--- a/toxygen/main.py
+++ b/toxygen/main.py
@@ -1,6 +1,6 @@
 import app
 from user_data.settings import *
-import util.util as util
+import utils.util as util
 import argparse
 
 
diff --git a/toxygen/messenger/messenger.py b/toxygen/messenger/messenger.py
index 1021629..5a94f7f 100644
--- a/toxygen/messenger/messenger.py
+++ b/toxygen/messenger/messenger.py
@@ -1,11 +1,12 @@
-import util.util as util
+import utils.util as util
+import common.tox_save as tox_save
 from wrapper.toxcore_enums_and_consts import *
 from messenger.messages import *
 
 
 # TODO: sub profile name changed event?
 
-class Messenger(util.ToxSave):
+class Messenger(tox_save.ToxSave):
 
     def __init__(self, tox, plugin_loader, screen, contacts_manager, contacts_provider, items_factory, profile):
         super().__init__(tox)
diff --git a/toxygen/middleware/callbacks.py b/toxygen/middleware/callbacks.py
index 912696b..7b7b759 100644
--- a/toxygen/middleware/callbacks.py
+++ b/toxygen/middleware/callbacks.py
@@ -4,8 +4,8 @@ from contacts.profile import Profile
 from wrapper.toxcore_enums_and_consts import *
 from wrapper.toxav_enums import *
 from wrapper.tox import bin_to_string
-import util.ui as util_ui
-import util.util as util
+import utils.ui as util_ui
+import utils.util as util
 import cv2
 import numpy as np
 from middleware.threads import invoke_in_main_thread, execute
diff --git a/toxygen/middleware/threads.py b/toxygen/middleware/threads.py
index e654a66..2e432b6 100644
--- a/toxygen/middleware/threads.py
+++ b/toxygen/middleware/threads.py
@@ -1,7 +1,7 @@
 from bootstrap.bootstrap import *
 import threading
 import queue
-from util import util
+from utils import util
 import time
 
 
diff --git a/toxygen/network/tox_dns.py b/toxygen/network/tox_dns.py
index 1a525bc..02e97f5 100644
--- a/toxygen/network/tox_dns.py
+++ b/toxygen/network/tox_dns.py
@@ -1,6 +1,6 @@
 import json
 import urllib.request
-import util.util as util
+import utils.util as util
 from PyQt5 import QtNetwork, QtCore
 
 
diff --git a/toxygen/notifications/sound.py b/toxygen/notifications/sound.py
index a0b93f0..361cd05 100644
--- a/toxygen/notifications/sound.py
+++ b/toxygen/notifications/sound.py
@@ -1,4 +1,4 @@
-import util.util
+import utils.util
 import wave
 import pyaudio
 import os.path
@@ -51,4 +51,4 @@ def sound_notification(t):
 
 
 def get_file_path(file_name):
-    return os.path.join(util.util.get_sounds_directory(), file_name)
+    return os.path.join(utils.util.get_sounds_directory(), file_name)
diff --git a/toxygen/plugin_support/plugin_support.py b/toxygen/plugin_support/plugin_support.py
index 6f2af9c..bd50cb7 100644
--- a/toxygen/plugin_support/plugin_support.py
+++ b/toxygen/plugin_support/plugin_support.py
@@ -1,4 +1,4 @@
-import util.util as util
+import utils.util as util
 from contacts import profile
 import os
 import importlib
diff --git a/toxygen/smileys/smileys.py b/toxygen/smileys/smileys.py
index fc40a69..9027bcb 100644
--- a/toxygen/smileys/smileys.py
+++ b/toxygen/smileys/smileys.py
@@ -1,4 +1,4 @@
-from util import util
+from utils import util
 import json
 import os
 from collections import OrderedDict
diff --git a/toxygen/stickers/stickers.py b/toxygen/stickers/stickers.py
index 5ad6aa1..a406b6c 100644
--- a/toxygen/stickers/stickers.py
+++ b/toxygen/stickers/stickers.py
@@ -1,5 +1,5 @@
 import os
-import util.util as util
+import utils.util as util
 
 
 def load_stickers():
diff --git a/toxygen/ui/av_widgets.py b/toxygen/ui/av_widgets.py
index 6fe3f13..f9eb6ed 100644
--- a/toxygen/ui/av_widgets.py
+++ b/toxygen/ui/av_widgets.py
@@ -1,11 +1,11 @@
 from PyQt5 import QtCore, QtGui, QtWidgets
 from ui import widgets
 from contacts import profile
-import util
+import utils
 import pyaudio
 import wave
 from user_data import settings
-from util.util import *
+from utils.util import *
 
 
 class IncomingCallWidget(widgets.CenteredWidget):
@@ -34,13 +34,13 @@ class IncomingCallWidget(widgets.CenteredWidget):
         self.accept_video.setGeometry(QtCore.QRect(170, 100, 150, 150))
         self.decline = QtWidgets.QPushButton(self)
         self.decline.setGeometry(QtCore.QRect(320, 100, 150, 150))
-        pixmap = QtGui.QPixmap(util.curr_directory() + '/images/accept_audio.png')
+        pixmap = QtGui.QPixmap(utils.curr_directory() + '/images/accept_audio.png')
         icon = QtGui.QIcon(pixmap)
         self.accept_audio.setIcon(icon)
-        pixmap = QtGui.QPixmap(util.curr_directory() + '/images/accept_video.png')
+        pixmap = QtGui.QPixmap(utils.curr_directory() + '/images/accept_video.png')
         icon = QtGui.QIcon(pixmap)
         self.accept_video.setIcon(icon)
-        pixmap = QtGui.QPixmap(util.curr_directory() + '/images/decline_call.png')
+        pixmap = QtGui.QPixmap(utils.curr_directory() + '/images/decline_call.png')
         icon = QtGui.QIcon(pixmap)
         self.decline.setIcon(icon)
         self.accept_audio.setIconSize(QtCore.QSize(150, 150))
diff --git a/toxygen/ui/create_profile_screen.py b/toxygen/ui/create_profile_screen.py
index f461719..40c9091 100644
--- a/toxygen/ui/create_profile_screen.py
+++ b/toxygen/ui/create_profile_screen.py
@@ -1,7 +1,7 @@
 from ui.widgets import *
 from PyQt5 import uic
-import util.util as util
-import util.ui as util_ui
+import utils.util as util
+import utils.ui as util_ui
 
 
 class CreateProfileScreenResult:
diff --git a/toxygen/ui/list_items.py b/toxygen/ui/list_items.py
index d075391..a305ffc 100644
--- a/toxygen/ui/list_items.py
+++ b/toxygen/ui/list_items.py
@@ -2,7 +2,7 @@ from wrapper.toxcore_enums_and_consts import *
 from PyQt5 import QtCore, QtGui, QtWidgets
 from contacts import profile
 from file_transfers.file_transfers import TOX_FILE_TRANSFER_STATE, PAUSED_FILE_TRANSFERS, DO_NOT_SHOW_ACCEPT_BUTTON, ACTIVE_FILE_TRANSFERS, SHOW_PROGRESS_BAR
-from util.util import *
+from utils.util import *
 from ui.widgets import DataLabel, create_menu
 import html as h
 import smileys
diff --git a/toxygen/ui/main_screen.py b/toxygen/ui/main_screen.py
index 412f487..54ca652 100644
--- a/toxygen/ui/main_screen.py
+++ b/toxygen/ui/main_screen.py
@@ -2,8 +2,8 @@ from contacts.profile import *
 from ui.list_items import *
 from ui.widgets import MultilineEdit, ComboBox
 from ui.main_screen_widgets import *
-import util.util as util
-import util.ui as util_ui
+import utils.util as util
+import utils.ui as util_ui
 
 
 class MainWindow(QtWidgets.QMainWindow):
diff --git a/toxygen/ui/main_screen_widgets.py b/toxygen/ui/main_screen_widgets.py
index 665e5dc..e739167 100644
--- a/toxygen/ui/main_screen_widgets.py
+++ b/toxygen/ui/main_screen_widgets.py
@@ -2,8 +2,8 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 from ui.widgets import RubberBandWindow, create_menu, QRightClickButton, CenteredWidget, LineEdit
 from contacts.profile import Profile
 import urllib
-import util.util as util
-import util.ui as util_ui
+import utils.util as util
+import utils.ui as util_ui
 from stickers.stickers import load_stickers
 
 
diff --git a/toxygen/ui/menu.py b/toxygen/ui/menu.py
index 33f0690..b28ab3b 100644
--- a/toxygen/ui/menu.py
+++ b/toxygen/ui/menu.py
@@ -1,12 +1,12 @@
 from PyQt5 import QtCore, QtGui, QtWidgets
 from user_data.settings import *
 from contacts.profile import Profile
-from util.util import *
+from utils.util import *
 from ui.widgets import CenteredWidget, DataLabel, LineEdit, RubberBandWindow
 import pyaudio
 from user_data import toxes
 import updater.updater as updater
-import util.ui as util_ui
+import utils.ui as util_ui
 
 
 class AddContact(CenteredWidget):
diff --git a/toxygen/ui/messages_widgets.py b/toxygen/ui/messages_widgets.py
index fbd3154..0e31891 100644
--- a/toxygen/ui/messages_widgets.py
+++ b/toxygen/ui/messages_widgets.py
@@ -1,8 +1,8 @@
 from PyQt5 import QtWidgets, QtGui, QtCore
 from wrapper.toxcore_enums_and_consts import *
 import ui.widgets as widgets
-import util.ui as util_ui
-import util.util as util
+import utils.ui as util_ui
+import utils.util as util
 import ui.menu as menu
 import html as h
 import re
diff --git a/toxygen/ui/tray.py b/toxygen/ui/tray.py
index 859eade..2003053 100644
--- a/toxygen/ui/tray.py
+++ b/toxygen/ui/tray.py
@@ -1,6 +1,6 @@
 from PyQt5 import QtWidgets, QtGui, QtCore
-from util.ui import tr
-from util.util import *
+from utils.ui import tr
+from utils.util import *
 import os.path
 
 
diff --git a/toxygen/ui/widgets.py b/toxygen/ui/widgets.py
index 7585f06..ec6c3e4 100644
--- a/toxygen/ui/widgets.py
+++ b/toxygen/ui/widgets.py
@@ -1,5 +1,5 @@
 from PyQt5 import QtCore, QtGui, QtWidgets
-import util.ui as util_ui
+import utils.ui as util_ui
 
 
 class DataLabel(QtWidgets.QLabel):
diff --git a/toxygen/updater/updater.py b/toxygen/updater/updater.py
index f274161..329353c 100644
--- a/toxygen/updater/updater.py
+++ b/toxygen/updater/updater.py
@@ -1,7 +1,6 @@
-import util.util as util
-import util.ui as util_ui
+import utils.util as util
+import utils.ui as util_ui
 import os
-from user_data import settings
 import platform
 import urllib
 from PyQt5 import QtNetwork, QtCore
diff --git a/toxygen/user_data/profile_manager.py b/toxygen/user_data/profile_manager.py
index 6107d43..a95253f 100644
--- a/toxygen/user_data/profile_manager.py
+++ b/toxygen/user_data/profile_manager.py
@@ -1,4 +1,4 @@
-import util.util as util
+import utils.util as util
 import os
 from user_data.settings import Settings
 
diff --git a/toxygen/user_data/settings.py b/toxygen/user_data/settings.py
index 8952956..f9390f3 100644
--- a/toxygen/user_data/settings.py
+++ b/toxygen/user_data/settings.py
@@ -1,6 +1,6 @@
 import json
 import os
-from util.util import *
+from utils.util import *
 import pyaudio
 import smileys.smileys as smileys
 
diff --git a/toxygen/util/__init__.py b/toxygen/utils/__init__.py
similarity index 100%
rename from toxygen/util/__init__.py
rename to toxygen/utils/__init__.py
diff --git a/toxygen/util/ui.py b/toxygen/utils/ui.py
similarity index 98%
rename from toxygen/util/ui.py
rename to toxygen/utils/ui.py
index b2b5712..cdb5f9a 100644
--- a/toxygen/util/ui.py
+++ b/toxygen/utils/ui.py
@@ -1,5 +1,5 @@
 from PyQt5 import QtWidgets
-import util.util as util
+import utils.util as util
 
 
 def tr(s):
diff --git a/toxygen/util/util.py b/toxygen/utils/util.py
similarity index 95%
rename from toxygen/util/util.py
rename to toxygen/utils/util.py
index 329285c..5790a5b 100644
--- a/toxygen/util/util.py
+++ b/toxygen/utils/util.py
@@ -156,14 +156,3 @@ def is_re_valid(regex):
 
 def get_platform():
     return platform.system()
-
-
-# TODO: to common
-
-class ToxSave:
-
-    def __init__(self, tox):
-        self._tox = tox
-
-    def set_tox(self, tox):
-        self._tox = tox
diff --git a/toxygen/wrapper/libtox.py b/toxygen/wrapper/libtox.py
index a04746c..402aa5f 100644
--- a/toxygen/wrapper/libtox.py
+++ b/toxygen/wrapper/libtox.py
@@ -1,6 +1,6 @@
 from platform import system
 from ctypes import CDLL
-import util.util as util
+import utils.util as util
 
 
 class LibToxCore: