diff --git a/res/certs/DigiCertHighAssuranceEVRootCA.crt b/res/certs/DigiCertHighAssuranceEVRootCA.crt
new file mode 100644
index 0000000000000000000000000000000000000000..4b1bc66be0f740d2c41cc87db8b789fe17ba7198
--- /dev/null
+++ b/res/certs/DigiCertHighAssuranceEVRootCA.crt
@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----
+MIIDxTCCAq2gAwIBAgIQAqxcJmoLQJuPC3nyrkYldzANBgkqhkiG9w0BAQUFADBs
+MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
+d3cuZGlnaWNlcnQuY29tMSswKQYDVQQDEyJEaWdpQ2VydCBIaWdoIEFzc3VyYW5j
+ZSBFViBSb290IENBMB4XDTA2MTExMDAwMDAwMFoXDTMxMTExMDAwMDAwMFowbDEL
+MAkGA1UEBhMCVVMxFTATBgNVBAoTDERpZ2lDZXJ0IEluYzEZMBcGA1UECxMQd3d3
+LmRpZ2ljZXJ0LmNvbTErMCkGA1UEAxMiRGlnaUNlcnQgSGlnaCBBc3N1cmFuY2Ug
+RVYgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMbM5XPm
++9S75S0tMqbf5YE/yc0lSbZxKsPVlDRnogocsF9ppkCxxLeyj9CYpKlBWTrT3JTW
+PNt0OKRKzE0lgvdKpVMSOO7zSW1xkX5jtqumX8OkhPhPYlG++MXs2ziS4wblCJEM
+xChBVfvLWokVfnHoNb9Ncgk9vjo4UFt3MRuNs8ckRZqnrG0AFFoEt7oT61EKmEFB
+Ik5lYYeBQVCmeVyJ3hlKV9Uu5l0cUyx+mM0aBhakaHPQNAQTXKFx01p8VdteZOE3
+hzBWBOURtCmAEvF5OYiiAhF8J2a3iLd48soKqDirCmTCv2ZdlYTBoSUeh10aUAsg
+EsxBu24LUTi4S8sCAwEAAaNjMGEwDgYDVR0PAQH/BAQDAgGGMA8GA1UdEwEB/wQF
+MAMBAf8wHQYDVR0OBBYEFLE+w2kD+L9HAdSYJhoIAu9jZCvDMB8GA1UdIwQYMBaA
+FLE+w2kD+L9HAdSYJhoIAu9jZCvDMA0GCSqGSIb3DQEBBQUAA4IBAQAcGgaX3Nec
+nzyIZgYIVyHbIUf4KmeqvxgydkAQV8GK83rZEWWONfqe/EW1ntlMMUu4kehDLI6z
+eM7b41N5cdblIZQB2lWHmiRk9opmzN6cN82oNLFpmyPInngiK3BD41VHMWEZ71jF
+hS9OMPagMRYjyOfiZRYzy78aG6A9+MpeizGLYAiJLQwGXFK3xPkKmNEVX58Svnw2
+Yzi9RKR/5CYrCsSXaQ3pjOLAEFe4yHYSkVXySGnYvCoCWw9E1CAx2/S6cCZdkGCe
+vEsXCS+0yx5DaMkHJ8HSXPfqIbloEpw8nL+e/IBcm2PN7EeqJSdnoDfzAIJ9VNep
++OkuE6N36B9K
+-----END CERTIFICATE-----
diff --git a/res/ui/homescreen.ui b/res/ui/homescreen.ui
index b26d8fc1279adbbba46043460d8589c3bdd95107..9b80e39c6b67b4d0e2e75c4eb0719dbc98729a14 100644
--- a/res/ui/homescreen.ui
+++ b/res/ui/homescreen.ui
@@ -46,7 +46,7 @@ QToolButton {
    <item>
     <widget class="QLabel" name="label_welcome">
      <property name="text">
-      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;TestText&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="textFormat">
       <enum>Qt::RichText</enum>
@@ -77,7 +77,7 @@ QToolButton {
         </size>
        </property>
        <property name="toolButtonStyle">
-        <enum>Qt::ToolButtonFollowStyle</enum>
+        <enum>Qt::ToolButtonTextBesideIcon</enum>
        </property>
        <property name="autoRaise">
         <bool>false</bool>
@@ -110,7 +110,7 @@ QToolButton {
         </size>
        </property>
        <property name="toolButtonStyle">
-        <enum>Qt::ToolButtonFollowStyle</enum>
+        <enum>Qt::ToolButtonTextBesideIcon</enum>
        </property>
       </widget>
      </item>
@@ -137,7 +137,7 @@ QToolButton {
         </size>
        </property>
        <property name="toolButtonStyle">
-        <enum>Qt::ToolButtonFollowStyle</enum>
+        <enum>Qt::ToolButtonTextBesideIcon</enum>
        </property>
       </widget>
      </item>
diff --git a/setup.py b/setup.py
index b4a0739e34df62b0d3314cee1688fdbd3a05fa71..34660a7fe8964e28889e295c3d001a7e63102627 100644
--- a/setup.py
+++ b/setup.py
@@ -5,6 +5,7 @@
 
 import sys, os, subprocess, multiprocessing
 from cx_Freeze import setup, Executable
+from PyQt5 import QtCore
 
 #############################################################################
 # preparation des options
@@ -18,13 +19,22 @@ packages = ["libnacl"]
 
 includefiles = []
 if sys.platform == "win32":
-    includefiles.append("platforms/win32/libEGL.dll")
+    app = QtCore.QCoreApplication(sys.argv)
+    pyqt_path = QtCore.QCoreApplication.libraryPaths()[0]
+    print(pyqt_path)
+    libEGL_path = os.path.join(os.path.dirname(pyqt_path), "libEGL.dll")
+    qt5svg_path = os.path.join(os.path.dirname(pyqt_path), "Qt5Svg.dll")
+    includefiles.append(libEGL_path)
+    includefiles.append(qt5svg_path)
     includefiles.append("platforms/win32/libsodium.dll")
+    
 elif sys.platform == "darwin":
     pass
 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 85ab4f7d19fd55be3d6fcb1d769e2673168fafa9..d12cd9d0f98b001a75ddfbfbe62710bfe2fb808d 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"))