Merge remote-tracking branch 'origin/pr/180'

* origin/pr/180:
  More safeguards for a VM that started in a weird way

qubesmanager/qube_manager.py

@@ -596,6 +596,8 @@ class VmManagerWindow(ui_qubemanager.Ui_VmManagerWindow, QtGui.QMainWindow):
             self.vms_in_table[vm.qid].info_widget.update_vm_state()
         except exc.QubesPropertyAccessError:
             return  # the VM was deleted before its status could be updated
+        except KeyError:  # adding the VM failed for some reason
+            self.on_domain_added(None, None, vm)
 
         if vm == self.get_selected_vm():
             self.table_selection_changed()