diff --git a/source/ubinstall-gtk.c b/source/ubinstall-gtk.c
index d838057..fce9334 100644
--- a/source/ubinstall-gtk.c
+++ b/source/ubinstall-gtk.c
@@ -1238,6 +1238,17 @@ void yon_main_window_create(main_window *widgets){
     set_locales_list(widgets);
 }
 
+gboolean yon_maximize_start(main_window *widgets){
+    gtk_window_maximize(GTK_WINDOW(widgets->MainWindow));
+    return G_SOURCE_REMOVE;
+}
+
+void *yon_maximize(main_window *widgets){
+    g_usleep(G_USEC_PER_SEC/10);
+    g_idle_add((GSourceFunc)yon_maximize_start,widgets);
+    return NULL;
+}
+            
 /**yon_main_window_complete(main_window *widgets) 
  * [EN] 
  *  
@@ -1290,7 +1301,8 @@ int main(int argc, char *argv[]){
     char *path = yon_char_unite(yon_ubl_user_get_home_directory(),"/.config/",LocaleName,"/",LocaleName,".conf",NULL);
     if (access(path,F_OK)){
         fullscreen = 1;
-        gtk_window_maximize(GTK_WINDOW(widgets->MainWindow));
+        g_thread_new("fullscreen",(GThreadFunc)yon_maximize,widgets);
+        
     }
     yon_window_config_load(path);
     yon_window_config_add_instant_parameter("fullscreen","window",&fullscreen,YON_TYPE_BOOLEAN);
diff --git a/source/ubinstall-gtk.h b/source/ubinstall-gtk.h
index f1d74d1..56c49d3 100755
--- a/source/ubinstall-gtk.h
+++ b/source/ubinstall-gtk.h
@@ -1209,4 +1209,6 @@ int yon_layouts_get();
 void on_link(GtkWidget *self, char* uri, gpointer );
 void on_source_changed(GtkComboBox *self);
 void yon_focus_set(GtkWidget *,GtkWidget *target);
-void on_main_window_close(GtkWidget*, main_window *);
\ No newline at end of file
+void on_main_window_close(GtkWidget*, main_window *);
+gboolean yon_maximize_start(main_window *widgets);
+void *yon_maximize(main_window *widgets);
\ No newline at end of file