diff --git a/core/controllers/ApplicationController.py b/core/controllers/ApplicationController.py
index 1dc06d6..35c085a 100644
--- a/core/controllers/ApplicationController.py
+++ b/core/controllers/ApplicationController.py
@@ -28,7 +28,7 @@ class ApplicationController:
         return Application.all()
 
     @staticmethod
-    def launch(version: ApplicationVersion, profile: SessionProfile, port_number: int = None, asynchronous: bool = True, profile_observer: Optional[ProfileObserver] = None):
+    def launch(version: ApplicationVersion, profile: SessionProfile, port_number: int = None, asynchronous: bool = False, profile_observer: Optional[ProfileObserver] = None):
 
         from core.controllers.ProfileController import ProfileController
 
diff --git a/core/controllers/ProfileController.py b/core/controllers/ProfileController.py
index d5d2b36..6cf66a3 100644
--- a/core/controllers/ProfileController.py
+++ b/core/controllers/ProfileController.py
@@ -42,7 +42,7 @@ class ProfileController:
             profile_observer.notify('updated', profile)
 
     @staticmethod
-    def enable(profile: Union[SessionProfile, SystemProfile], force: bool = False, pristine: bool = False, asynchronous: bool = True, profile_observer: ProfileObserver = None, application_version_observer: ApplicationVersionObserver = None, connection_observer: ConnectionObserver = None):
+    def enable(profile: Union[SessionProfile, SystemProfile], force: bool = False, pristine: bool = False, asynchronous: bool = False, profile_observer: ProfileObserver = None, application_version_observer: ApplicationVersionObserver = None, connection_observer: ConnectionObserver = None):
 
         from core.controllers.ConnectionController import ConnectionController
 
diff --git a/main.py b/main.py
index c9247e4..7066671 100644
--- a/main.py
+++ b/main.py
@@ -191,7 +191,7 @@ if __name__ == '__main__':
             if profile is not None:
 
                 try:
-                    ProfileController.enable(profile, force=arguments.force, pristine=arguments.pristine, profile_observer=profile_observer, application_version_observer=application_version_observer, connection_observer=connection_observer)
+                    ProfileController.enable(profile, force=arguments.force, pristine=arguments.pristine, asynchronous=True, profile_observer=profile_observer, application_version_observer=application_version_observer, connection_observer=connection_observer)
 
                 except (InvalidSubscriptionError, MissingSubscriptionError) as exception:
 
@@ -239,7 +239,7 @@ if __name__ == '__main__':
                             else:
                                 raise RuntimeError('The subscription could not be activated. Please try again later.')
 
-                            ProfileController.enable(profile, force=arguments.force, pristine=arguments.pristine, profile_observer=profile_observer, application_version_observer=application_version_observer, connection_observer=connection_observer)
+                            ProfileController.enable(profile, force=arguments.force, pristine=arguments.pristine, asynchronous=True, profile_observer=profile_observer, application_version_observer=application_version_observer, connection_observer=connection_observer)
 
                         elif manage_subscription_input == '2':
 
@@ -251,7 +251,7 @@ if __name__ == '__main__':
                             if subscription is not None:
 
                                 ProfileController.attach_subscription(profile, subscription)
-                                ProfileController.enable(profile, force=arguments.force, pristine=arguments.pristine, profile_observer=profile_observer, application_version_observer=application_version_observer, connection_observer=connection_observer)
+                                ProfileController.enable(profile, force=arguments.force, pristine=arguments.pristine, asynchronous=True, profile_observer=profile_observer, application_version_observer=application_version_observer, connection_observer=connection_observer)
 
                             else: