diff --git a/setup.py b/setup.py
index b4a0739e34df62b0d3314cee1688fdbd3a05fa71..ccfbe073372eec4ea68577443a137ee78bc3dc7b 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,8 @@ elif sys.platform == "darwin":
 else:
     pass
     
+includefiles.append(os.path.join("res", "certs", "DigiCertHighAssuranceEVRootCA.crt"))
+
 options = {"path": sys.path,
            "includes": includes,
            "include_files": includefiles,
diff --git a/src/cutecoin/core/app.py b/src/cutecoin/core/app.py
index 4c4af5b9415464252def998870da8b3b15655595..1f2a30d18a58e6ce956672052b8f4251e335573c 100644
--- a/src/cutecoin/core/app.py
+++ b/src/cutecoin/core/app.py
@@ -330,6 +330,7 @@ class Application(QObject):
 
     def latest_version(self):
         version = (True, __version__)
+        logging.debug(os.environ["REQUESTS_CA_BUNDLE"])
         releases = requests.get("https://api.github.com/repos/ucoin-io/cutecoin/releases")
         latest = None
         for r in releases.json():
diff --git a/src/cutecoin/core/config.py b/src/cutecoin/core/config.py
index d921a711e52da081aed82b0ba8bf009d1eddee49..3f35a2550146a95f62a0ac582008859d25aeb341 100644
--- a/src/cutecoin/core/config.py
+++ b/src/cutecoin/core/config.py
@@ -22,6 +22,7 @@ else:
 parameters = {'home': path.join(config_path, 'cutecoin'),
               'data': path.join(config_path, 'cutecoin', 'data')}
 
+
 if not path.exists(parameters['home']):
     logging.info("Creating home directory")
     makedirs((parameters['home']))
diff --git a/src/cutecoin/core/person.py b/src/cutecoin/core/person.py
index f11e87b66d912679ba1ff57c84b48c04ba3f90ce..0afdf4b0effc4be4ff245d7d656676aca473a267 100644
--- a/src/cutecoin/core/person.py
+++ b/src/cutecoin/core/person.py
@@ -54,7 +54,6 @@ class cached(object):
         finally:
             inst._cache_mutex.unlock()
 
-        inst._cache_mutex.unlock()
         return value
 
     def __repr__(self):
diff --git a/src/cutecoin/gui/community_tab.py b/src/cutecoin/gui/community_tab.py
index f54c835c8145828617b8af8b218e5c7adb942150..f49cca282186d63dee0e1bc14236bc486d013f52 100644
--- a/src/cutecoin/gui/community_tab.py
+++ b/src/cutecoin/gui/community_tab.py
@@ -32,11 +32,14 @@ class CommunityTabWidget(QWidget, Ui_CommunityTabWidget):
         Constructor
         '''
         super().__init__()
+        logging.debug("Info")
         self.setupUi(self)
         self.community = community
         self.account = account
         self.password_asker = password_asker
+        logging.debug("Table")
         members_model = MembersTableModel(community)
+        logging.debug("Filter")
         proxy_members = MembersFilterProxyModel()
         proxy_members.setSourceModel(members_model)
         self.table_community_members.setModel(proxy_members)
diff --git a/src/cutecoin/gui/currency_tab.py b/src/cutecoin/gui/currency_tab.py
index a558d0346d4f396242cdaebb3f9bcf9f908bc130..4a976992087281f67cc787e6b1c89137c8b1198a 100644
--- a/src/cutecoin/gui/currency_tab.py
+++ b/src/cutecoin/gui/currency_tab.py
@@ -42,21 +42,26 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
         self.community = community
         self.password_asker = password_asker
         self.status_label = status_label
+        logging.debug("Com")
         self.tab_community = CommunityTabWidget(self.app.current_account,
                                                     self.community,
                                                     self.password_asker)
+        logging.debug("Wal")
         self.tab_wallets = WalletsTabWidget(self.app,
                                             self.app.current_account,
                                             self.community,
                                             self.password_asker)
-
+ 
+        logging.debug("Net")
         self.tab_network = NetworkTabWidget(self.community)
-
+ 
+        logging.debug("Connect")
         self.community.new_block_mined.connect(self.refresh_block)
         persons_watcher = self.app.monitor.persons_watcher(self.community)
         persons_watcher.person_changed.connect(self.tab_community.refresh_person)
         bc_watcher = self.app.monitor.blockchain_watcher(self.community)
         bc_watcher.error.connect(self.display_error)
+        logging.debug("Connected")
 
         person = Person.lookup(self.app.current_account.pubkey, self.community)
         try:
@@ -68,7 +73,8 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
             sig_validity = self.community.parameters['sigValidity']
             warning_expiration_time = int(sig_validity / 3)
             will_expire_soon = (current_time > expiration_date - warning_expiration_time)
-
+ 
+            logging.debug("Try")
             if will_expire_soon:
                 days = QDateTime().currentDateTime().daysTo(QDateTime.fromTime_t(expiration_date))
                 if days > 0:
@@ -86,7 +92,6 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
             self.tabs_account.setEnabled(False)
         else:
             self.tabs_account.setEnabled(True)
-            self.refresh_wallets()
             blockchain_init = QDateTime()
             blockchain_init.setTime_t(self.community.get_block(1).mediantime)
 
@@ -149,6 +154,7 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
             block_number = blockid['number']
             self.status_label.setText("Connected : Block {0}"
                                              .format(block_number))
+            self.refresh_wallets()
 
     @pyqtSlot(str)
     def display_error(self, error):
diff --git a/src/cutecoin/gui/mainwindow.py b/src/cutecoin/gui/mainwindow.py
index 33e3523082c14a5b04c2156525ee8600d5249977..480f56ea9b9555781e797a2fb256e6b5debeffb6 100644
--- a/src/cutecoin/gui/mainwindow.py
+++ b/src/cutecoin/gui/mainwindow.py
@@ -120,6 +120,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
 
     @pyqtSlot()
     def loader_finished(self):
+        logging.debug("Finished loading")
         self.refresh()
         self.busybar.hide()
         QApplication.restoreOverrideCursor()
@@ -169,7 +170,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
             logging.debug("Busybar : {:} : {:}".format(value, maximum))
             self.busybar.setValue(value)
             self.busybar.setMaximum(maximum)
-
+            
         if self.app.current_account:
             self.app.save_cache(self.app.current_account)
 
@@ -259,6 +260,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
             currency_tab.refresh_wallets()
 
     def refresh_communities(self):
+        logging.debug("CLEAR")
         self.currencies_tabwidget.clear()
         if self.app.current_account:
             for community in self.app.current_account.communities:
@@ -268,8 +270,8 @@ class MainWindow(QMainWindow, Ui_MainWindow):
                                                      self.status_label)
                     tab_currency.refresh()
                     self.currencies_tabwidget.addTab(tab_currency,
-                                                     QIcon(":/icons/currency_icon"),
-                                                     community.name)
+                                                      QIcon(":/icons/currency_icon"),
+                                                      community.name)
                 except NoPeerAvailable as e:
                     QMessageBox.critical(self, "Could not join {0}".format(community.currency),
                                 str(e),
@@ -330,7 +332,9 @@ class MainWindow(QMainWindow, Ui_MainWindow):
             self.status_label.setText("")
             self.password_asker = None
         else:
+            logging.debug("Show currencies loading")
             self.currencies_tabwidget.show()
+            logging.debug("Hide homescreen")
             self.homescreen.hide()
             self.action_set_as_default.setEnabled(self.app.current_account.name
                                                   != self.app.default_account)
@@ -345,7 +349,6 @@ class MainWindow(QMainWindow, Ui_MainWindow):
             self.menu_contacts.setEnabled(True)
             self.action_configure_parameters.setEnabled(True)
             self.menu_actions.setEnabled(True)
-            self.password_asker = PasswordAskerDialog(self.app.current_account)
             self.setWindowTitle("CuteCoin {0} - Account : {1}".format(__version__,
                 self.app.current_account.name))
 
diff --git a/src/cutecoin/main.py b/src/cutecoin/main.py
index ac61453c55d5e0af518e7a21b05f098d39033e58..c84d83f77c031468cd9e8e9f2e64dc81ae0af84b 100755
--- a/src/cutecoin/main.py
+++ b/src/cutecoin/main.py
@@ -16,6 +16,19 @@ from cutecoin.core.app import Application
 if __name__ == '__main__':
     # activate ctrl-c interrupt
     signal.signal(signal.SIGINT, signal.SIG_DFL)
+    if getattr(sys, 'frozen', False):
+        # The application is frozen
+        datadir = os.path.dirname(sys.executable)
+        os.environ["REQUESTS_CA_BUNDLE"] = os.path.join(datadir, "DigiCertHighAssuranceEVRootCA.crt")
+    else:
+        # The application is not frozen
+        # Change this bit to match where you store your data files:
+        datadir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+        os.environ["REQUESTS_CA_BUNDLE"] = os.path.join(datadir,
+                                                        "res", "certs", 
+                                                        "DigiCertHighAssuranceEVRootCA.crt")
+    
+
     cutecoin = QApplication(sys.argv)
     app = Application(sys.argv)
     QLocale.setDefault(QLocale("en_GB"))