diff --git a/vanilla_first_setup/defaults/user.py b/vanilla_first_setup/defaults/user.py
index 59306c5..080a769 100644
--- a/vanilla_first_setup/defaults/user.py
+++ b/vanilla_first_setup/defaults/user.py
@@ -58,7 +58,7 @@ class VanillaDefaultUser(Adw.Bin):
 
     def __on_btn_next_clicked(self, widget):
         self.__window.set_user(self.username)
-        self.__window.next
+        self.__window.next()
 
     def get_finals(self):
         return {
diff --git a/vanilla_first_setup/utils/processor.py b/vanilla_first_setup/utils/processor.py
index c02b5e2..75ed618 100644
--- a/vanilla_first_setup/utils/processor.py
+++ b/vanilla_first_setup/utils/processor.py
@@ -141,7 +141,7 @@ class Processor:
         if os.path.exists(autostart_file):
             os.remove(autostart_file)
 
-        with open(desktop_file, "w") as f:
+        with open(desktop_file, "w+") as f:
             f.write("[Desktop Entry]\n")
             f.write("Name=FirstSetup\n")
             f.write("Comment=FirstSetup\n")
diff --git a/vanilla_first_setup/views/progress.py b/vanilla_first_setup/views/progress.py
index c1eca4d..17656c6 100644
--- a/vanilla_first_setup/views/progress.py
+++ b/vanilla_first_setup/views/progress.py
@@ -33,7 +33,7 @@ class VanillaProgress(Gtk.Box):
     console_button = Gtk.Template.Child()
     console_box = Gtk.Template.Child()
     console_output = Gtk.Template.Child()
-    
+
     def __init__(self, window, tour: dict, **kwargs):
         super().__init__(**kwargs)
         self.__window = window
@@ -69,14 +69,14 @@ class VanillaProgress(Gtk.Box):
         self.__terminal.set_mouse_autohide(True)
         self.console_output.append(self.__terminal)
         self.__terminal.connect("child-exited", self.on_vte_child_exited)
-        
+
         palette = ["#353535", "#c01c28", "#26a269", "#a2734c", "#12488b", "#a347ba", "#2aa1b3", "#cfcfcf", "#5d5d5d", "#f66151", "#33d17a", "#e9ad0c", "#2a7bde", "#c061cb", "#33c7de", "#ffffff"]
-        
+
         FOREGROUND = palette[0]
         BACKGROUND = palette[15]
         FOREGROUND_DARK = palette[15]
         BACKGROUND_DARK = palette[0]
-        
+
         self.fg = Gdk.RGBA()
         self.bg = Gdk.RGBA()
 
@@ -90,7 +90,7 @@ class VanillaProgress(Gtk.Box):
             self.fg.parse(FOREGROUND_DARK)
             self.bg.parse(BACKGROUND_DARK)
         self.__terminal.set_colors(self.fg, self.bg, self.colors)
-        
+
         for _, tour in self.__tour.items():
             self.carousel_tour.append(VanillaTour(self.__window, tour))
 
@@ -113,11 +113,11 @@ class VanillaProgress(Gtk.Box):
                 time.sleep(5)
 
         RunAsync(run_async, None)
-    
+
     def on_vte_child_exited(self, terminal, status, *args):
         terminal.get_parent().remove(terminal)
         status = not bool(status)
-        
+
         if self.__success_fn is not None and status:
             self.__success_fn(*self.__success_fn_args)