diff -urN gnome-control-center-3.34.5.orig/panels/applications/cc-applications-panel.c gnome-control-center-3.34.5/panels/applications/cc-applications-panel.c
--- gnome-control-center-3.34.5.orig/panels/applications/cc-applications-panel.c	2020-03-30 10:31:45.331542700 +0900
+++ gnome-control-center-3.34.5/panels/applications/cc-applications-panel.c	2020-07-29 11:42:57.146778841 +0900
@@ -1728,6 +1728,9 @@
 
   g_resources_register (cc_applications_get_resource ());
 
+  g_type_ensure(CC_TYPE_TOGGLE_ROW);
+  g_type_ensure(CC_TYPE_INFO_ROW);
+
   gtk_widget_init_template (GTK_WIDGET (self));
 
   self->cancellable = g_cancellable_new ();