diff --git a/src/app.rs b/src/app.rs
index 8997a8b1..64d7fd8b 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -133,18 +133,7 @@ impl AppOp {
         };
 
         if password != passconf {
-            let window: gtk::Window = self.gtk_builder
-                .get_object("main_window")
-                .expect("Couldn't find main_window in ui file.");
-            let dialog = gtk::MessageDialog::new(Some(&window),
-                                                 gtk::DIALOG_MODAL,
-                                                 gtk::MessageType::Warning,
-                                                 gtk::ButtonsType::Ok,
-                                                 "Passwords didn't match, try again");
-            dialog.show();
-
-            dialog.connect_response(move |d, _| { d.destroy(); });
-
+            self.show_error("Passwords didn't match, try again");
             return;
         }
 
@@ -594,7 +583,10 @@ impl AppOp {
 
         let name = m.get_alias();
 
-        store.insert_with_values(None, &[0, 1], &[&name, &(m.uid)]);
+        // only show 200 members...
+        if self.members.len() < 200 {
+            store.insert_with_values(None, &[0, 1], &[&name, &(m.uid)]);
+        }
 
         self.members.insert(m.uid.clone(), m);
     }
@@ -988,6 +980,19 @@ impl AppOp {
             .expect("Can't find search_button_stack in ui file.")
             .set_visible_child_name("normal");
     }
+
+    pub fn show_error(&self, msg: &str) {
+        let window: gtk::Window = self.gtk_builder
+            .get_object("main_window")
+            .expect("Couldn't find main_window in ui file.");
+        let dialog = gtk::MessageDialog::new(Some(&window),
+                                             gtk::DIALOG_MODAL,
+                                             gtk::MessageType::Warning,
+                                             gtk::ButtonsType::Ok,
+                                             msg);
+        dialog.show();
+        dialog.connect_response(move |d, _| { d.destroy(); });
+    }
 }
 
 /// State for the main thread.
@@ -1136,6 +1141,9 @@ impl App {
                 }
 
                 // errors
+                Ok(BKResponse::LoginError(_)) => {
+                    theop.lock().unwrap().show_error("Can't login, try again");
+                },
                 Ok(BKResponse::SyncError(_)) => {
                     println!("SYNC Error");
                     theop.lock().unwrap().syncing = false;
diff --git a/src/backend.rs b/src/backend.rs
index c4a6bb35..eb926d7d 100644
--- a/src/backend.rs
+++ b/src/backend.rs
@@ -354,12 +354,16 @@ impl Backend {
                 let uid = String::from(r["user_id"].as_str().unwrap_or(""));
                 let tk = String::from(r["access_token"].as_str().unwrap_or(""));
 
-                data.lock().unwrap().user_id = uid.clone();
-                data.lock().unwrap().access_token = tk.clone();
-                data.lock().unwrap().since = String::from("");
-                data.lock().unwrap().msgs_batch_end = String::from("");
-                data.lock().unwrap().msgs_batch_start = String::from("");
-                tx.send(BKResponse::Token(uid, tk)).unwrap();
+                if uid.is_empty() || tk.is_empty() {
+                    tx.send(BKResponse::LoginError(Error::BackendError)).unwrap();
+                } else {
+                    data.lock().unwrap().user_id = uid.clone();
+                    data.lock().unwrap().access_token = tk.clone();
+                    data.lock().unwrap().since = String::from("");
+                    data.lock().unwrap().msgs_batch_end = String::from("");
+                    data.lock().unwrap().msgs_batch_start = String::from("");
+                    tx.send(BKResponse::Token(uid, tk)).unwrap();
+                }
             },
             |err| { tx.send(BKResponse::LoginError(err)).unwrap() }
         );