diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index a2670f4fd0..b8e65dc8f4 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -4883,31 +4883,19 @@ void GUI_App::on_http_error(wxCommandEvent &evt)
         return;
     }
 
-    static bool m_is_error_shown = false;
-    // Show general error notification for Orca Cloud API failures (not Bambu)
     if (provider == ORCA_CLOUD_PROVIDER && status >= 400 && code != HttpErrorVersionLimited) {
-        wxString msg;
-        if (!error.empty()) {
-            msg = wxString::Format(_L("Failed to connect to OrcaCloud.\nPlease check your network connectivity\n(HTTP %u): %s"), status, wxString::FromUTF8(error));
-        } else {
-            msg = wxString::Format(_L("Failed to connect to OrcaCloud.\nPlease check your network connectivity\n(HTTP %u)"), status);
-        }
-        
-        if (app_config->get_bool("developer_mode")) {
-            // Use notification manager if ImGui is ready; fall back to wxMessageBox on Linux
-            // where ImGui may not be initialized until the user switches to the Prepare tab.
-            if (wxGetApp().plater() != nullptr && wxGetApp().imgui()->display_initialized()) {
-                wxGetApp()
-                    .plater()
-                    ->get_notification_manager()
-                    ->push_notification(NotificationType::PlaterError, NotificationManager::NotificationLevel::WarningNotificationLevel,
-                                        msg.ToUTF8().data());
+        if (wxGetApp().plater() != nullptr && wxGetApp().imgui()->display_initialized()) {
+            wxString msg;
+            if (!error.empty()) {
+                msg = wxString::Format(_L("Failed to connect to OrcaCloud.\nPlease check your network connectivity\n(HTTP %u): %s"), status, wxString::FromUTF8(error));
+            } else {
+                msg = wxString::Format(_L("Failed to connect to OrcaCloud.\nPlease check your network connectivity\n(HTTP %u)"), status);
             }
-        }
-
-        if (!m_is_error_shown) {
-            m_is_error_shown = true;
-            wxMessageBox(msg, _L("Cloud Error"), wxOK | wxICON_ERROR, wxGetApp().mainframe);
+            wxGetApp()
+                .plater()
+                ->get_notification_manager()
+                ->push_notification(NotificationType::PlaterError, NotificationManager::NotificationLevel::WarningNotificationLevel,
+                                    msg.ToUTF8().data());
         }
     }
 }
diff --git a/src/slic3r/Utils/OrcaCloudServiceAgent.cpp b/src/slic3r/Utils/OrcaCloudServiceAgent.cpp
index 5417fad995..db1c60b842 100644
--- a/src/slic3r/Utils/OrcaCloudServiceAgent.cpp
+++ b/src/slic3r/Utils/OrcaCloudServiceAgent.cpp
@@ -500,14 +500,10 @@ int OrcaCloudServiceAgent::start()
 {
     regenerate_pkce();
 
-    // Attempt silent sign-in from stored refresh token.
-    // Use async=true so the HTTP round-trip does not block the main UI thread.
-    // start_sync_user_preset() guards with is_user_login(), so if the refresh has
-    // not completed by the time it is called the sync simply defers to the next
-    // login-complete callback — safe and preferred over a 30-second UI stall.
+    // Attempt silent sign-in from stored refresh token
     std::string stored_refresh;
     if (load_refresh_token(stored_refresh) && !stored_refresh.empty()) {
-        refresh_now(stored_refresh, "startup_refresh", true);
+        refresh_now(stored_refresh, "refresh token", false);
     }
 
     return BAMBU_NETWORK_SUCCESS;